/*!
 * Sizzle CSS Selector Engine - v1.0
 *  Copyright 2009, The Dojo Foundation
 *  Released under the MIT, BSD, and GPL Licenses.
 *  More information: http://sizzlejs.com/
 */
(function(){var chunker=/((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,done=0,toString=Object.prototype.toString,hasDuplicate=false,baseHasDuplicate=true;[0,0].sort(function(){baseHasDuplicate=false;return 0});var Sizzle=function(selector,context,results,seed){results=results||[];context=context||document;var origContext=context;if(context.nodeType!==1&&context.nodeType!==9){return[]}if(!selector||typeof selector!=="string"){return results}var m,set,checkSet,extra,ret,cur,pop,i,prune=true,contextXML=Sizzle.isXML(context),parts=[],soFar=selector;do{chunker.exec("");m=chunker.exec(soFar);if(m){soFar=m[3];parts.push(m[1]);if(m[2]){extra=m[3];break}}}while(m);if(parts.length>1&&origPOS.exec(selector)){if(parts.length===2&&Expr.relative[parts[0]]){set=posProcess(parts[0]+parts[1],context)}else{set=Expr.relative[parts[0]]?[context]:Sizzle(parts.shift(),context);while(parts.length){selector=parts.shift();if(Expr.relative[selector]){selector+=parts.shift()}set=posProcess(selector,set)}}}else{if(!seed&&parts.length>1&&context.nodeType===9&&!contextXML&&Expr.match.ID.test(parts[0])&&!Expr.match.ID.test(parts[parts.length-1])){ret=Sizzle.find(parts.shift(),context,contextXML);context=ret.expr?Sizzle.filter(ret.expr,ret.set)[0]:ret.set[0]}if(context){ret=seed?{expr:parts.pop(),set:makeArray(seed)}:Sizzle.find(parts.pop(),parts.length===1&&(parts[0]==="~"||parts[0]==="+")&&context.parentNode?context.parentNode:context,contextXML);set=ret.expr?Sizzle.filter(ret.expr,ret.set):ret.set;if(parts.length>0){checkSet=makeArray(set)}else{prune=false}while(parts.length){cur=parts.pop();pop=cur;if(!Expr.relative[cur]){cur=""}else{pop=parts.pop()}if(pop==null){pop=context}Expr.relative[cur](checkSet,pop,contextXML)}}else{checkSet=parts=[]}}if(!checkSet){checkSet=set}if(!checkSet){Sizzle.error(cur||selector)}if(toString.call(checkSet)==="[object Array]"){if(!prune){results.push.apply(results,checkSet)}else if(context&&context.nodeType===1){for(i=0;checkSet[i]!=null;i++){if(checkSet[i]&&(checkSet[i]===true||checkSet[i].nodeType===1&&Sizzle.contains(context,checkSet[i]))){results.push(set[i])}}}else{for(i=0;checkSet[i]!=null;i++){if(checkSet[i]&&checkSet[i].nodeType===1){results.push(set[i])}}}}else{makeArray(checkSet,results)}if(extra){Sizzle(extra,origContext,results,seed);Sizzle.uniqueSort(results)}return results};Sizzle.uniqueSort=function(results){if(sortOrder){hasDuplicate=baseHasDuplicate;results.sort(sortOrder);if(hasDuplicate){for(var i=1;i<results.length;i++){if(results[i]===results[i-1]){results.splice(i--,1)}}}}return results};Sizzle.matches=function(expr,set){return Sizzle(expr,null,null,set)};Sizzle.matchesSelector=function(node,expr){return Sizzle(expr,null,null,[node]).length>0};Sizzle.find=function(expr,context,isXML){var set;if(!expr){return[]}for(var i=0,l=Expr.order.length;i<l;i++){var match,type=Expr.order[i];if((match=Expr.leftMatch[type].exec(expr))){var left=match[1];match.splice(1,1);if(left.substr(left.length-1)!=="\\"){match[1]=(match[1]||"").replace(/\\/g,"");set=Expr.find[type](match,context,isXML);if(set!=null){expr=expr.replace(Expr.match[type],"");break}}}}if(!set){set=context.getElementsByTagName("*")}return{set:set,expr:expr}};Sizzle.filter=function(expr,set,inplace,not){var match,anyFound,old=expr,result=[],curLoop=set,isXMLFilter=set&&set[0]&&Sizzle.isXML(set[0]);while(expr&&set.length){for(var type in Expr.filter){if((match=Expr.leftMatch[type].exec(expr))!=null&&match[2]){var found,item,filter=Expr.filter[type],left=match[1];anyFound=false;match.splice(1,1);if(left.substr(left.length-1)==="\\"){continue}if(curLoop===result){result=[]}if(Expr.preFilter[type]){match=Expr.preFilter[type](match,curLoop,inplace,result,not,isXMLFilter);if(!match){anyFound=found=true}else if(match===true){continue}}if(match){for(var i=0;(item=curLoop[i])!=null;i++){if(item){found=filter(item,match,i,curLoop);var pass=not^!!found;if(inplace&&found!=null){if(pass){anyFound=true}else{curLoop[i]=false}}else if(pass){result.push(item);anyFound=true}}}}if(found!==undefined){if(!inplace){curLoop=result}expr=expr.replace(Expr.match[type],"");if(!anyFound){return[]}break}}}if(expr===old){if(anyFound==null){Sizzle.error(expr)}else{break}}old=expr}return curLoop};Sizzle.error=function(msg){throw"Syntax error, unrecognized expression: "+msg;};var Expr=Sizzle.selectors={order:["ID","NAME","TAG"],match:{ID:/#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,CLASS:/\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,NAME:/\[name=['"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)['"]*\]/,ATTR:/\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,TAG:/^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/,CHILD:/:(only|nth|last|first)-child(?:\((even|odd|[\dn+\-]*)\))?/,POS:/:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/,PSEUDO:/:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/},leftMatch:{},attrMap:{"class":"className","for":"htmlFor"},attrHandle:{href:function(elem){return elem.getAttribute("href")}},relative:{"+":function(checkSet,part){var isPartStr=typeof part==="string",isTag=isPartStr&&!/\W/.test(part),isPartStrNotTag=isPartStr&&!isTag;if(isTag){part=part.toLowerCase()}for(var i=0,l=checkSet.length,elem;i<l;i++){if((elem=checkSet[i])){while((elem=elem.previousSibling)&&elem.nodeType!==1){}checkSet[i]=isPartStrNotTag||elem&&elem.nodeName.toLowerCase()===part?elem||false:elem===part}}if(isPartStrNotTag){Sizzle.filter(part,checkSet,true)}},">":function(checkSet,part){var elem,isPartStr=typeof part==="string",i=0,l=checkSet.length;if(isPartStr&&!/\W/.test(part)){part=part.toLowerCase();for(;i<l;i++){elem=checkSet[i];if(elem){var parent=elem.parentNode;checkSet[i]=parent.nodeName.toLowerCase()===part?parent:false}}}else{for(;i<l;i++){elem=checkSet[i];if(elem){checkSet[i]=isPartStr?elem.parentNode:elem.parentNode===part}}if(isPartStr){Sizzle.filter(part,checkSet,true)}}},"":function(checkSet,part,isXML){var nodeCheck,doneName=done++,checkFn=dirCheck;if(typeof part==="string"&&!/\W/.test(part)){part=part.toLowerCase();nodeCheck=part;checkFn=dirNodeCheck}checkFn("parentNode",part,doneName,checkSet,nodeCheck,isXML)},"~":function(checkSet,part,isXML){var nodeCheck,doneName=done++,checkFn=dirCheck;if(typeof part==="string"&&!/\W/.test(part)){part=part.toLowerCase();nodeCheck=part;checkFn=dirNodeCheck}checkFn("previousSibling",part,doneName,checkSet,nodeCheck,isXML)}},find:{ID:function(match,context,isXML){if(typeof context.getElementById!=="undefined"&&!isXML){var m=context.getElementById(match[1]);return m&&m.parentNode?[m]:[]}},NAME:function(match,context){if(typeof context.getElementsByName!=="undefined"){var ret=[],results=context.getElementsByName(match[1]);for(var i=0,l=results.length;i<l;i++){if(results[i].getAttribute("name")===match[1]){ret.push(results[i])}}return ret.length===0?null:ret}},TAG:function(match,context){return context.getElementsByTagName(match[1])}},preFilter:{CLASS:function(match,curLoop,inplace,result,not,isXML){match=" "+match[1].replace(/\\/g,"")+" ";if(isXML){return match}for(var i=0,elem;(elem=curLoop[i])!=null;i++){if(elem){if(not^(elem.className&&(" "+elem.className+" ").replace(/[\t\n]/g," ").indexOf(match)>=0)){if(!inplace){result.push(elem)}}else if(inplace){curLoop[i]=false}}}return false},ID:function(match){return match[1].replace(/\\/g,"")},TAG:function(match,curLoop){return match[1].toLowerCase()},CHILD:function(match){if(match[1]==="nth"){var test=/(-?)(\d*)n((?:\+|-)?\d*)/.exec(match[2]==="even"&&"2n"||match[2]==="odd"&&"2n+1"||!/\D/.test(match[2])&&"0n+"+match[2]||match[2]);match[2]=(test[1]+(test[2]||1))-0;match[3]=test[3]-0}match[0]=done++;return match},ATTR:function(match,curLoop,inplace,result,not,isXML){var name=match[1].replace(/\\/g,"");if(!isXML&&Expr.attrMap[name]){match[1]=Expr.attrMap[name]}if(match[2]==="~="){match[4]=" "+match[4]+" "}return match},PSEUDO:function(match,curLoop,inplace,result,not){if(match[1]==="not"){if((chunker.exec(match[3])||"").length>1||/^\w/.test(match[3])){match[3]=Sizzle(match[3],null,null,curLoop)}else{var ret=Sizzle.filter(match[3],curLoop,inplace,true^not);if(!inplace){result.push.apply(result,ret)}return false}}else if(Expr.match.POS.test(match[0])||Expr.match.CHILD.test(match[0])){return true}return match},POS:function(match){match.unshift(true);return match}},filters:{enabled:function(elem){return elem.disabled===false&&elem.type!=="hidden"},disabled:function(elem){return elem.disabled===true},checked:function(elem){return elem.checked===true},selected:function(elem){elem.parentNode.selectedIndex;return elem.selected===true},parent:function(elem){return!!elem.firstChild},empty:function(elem){return!elem.firstChild},has:function(elem,i,match){return!!Sizzle(match[3],elem).length},header:function(elem){return(/h\d/i).test(elem.nodeName)},text:function(elem){return"text"===elem.type},radio:function(elem){return"radio"===elem.type},checkbox:function(elem){return"checkbox"===elem.type},file:function(elem){return"file"===elem.type},password:function(elem){return"password"===elem.type},submit:function(elem){return"submit"===elem.type},image:function(elem){return"image"===elem.type},reset:function(elem){return"reset"===elem.type},button:function(elem){return"button"===elem.type||elem.nodeName.toLowerCase()==="button"},input:function(elem){return(/input|select|textarea|button/i).test(elem.nodeName)}},setFilters:{first:function(elem,i){return i===0},last:function(elem,i,match,array){return i===array.length-1},even:function(elem,i){return i%2===0},odd:function(elem,i){return i%2===1},lt:function(elem,i,match){return i<match[3]-0},gt:function(elem,i,match){return i>match[3]-0},nth:function(elem,i,match){return match[3]-0===i},eq:function(elem,i,match){return match[3]-0===i}},filter:{PSEUDO:function(elem,match,i,array){var name=match[1],filter=Expr.filters[name];if(filter){return filter(elem,i,match,array)}else if(name==="contains"){return(elem.textContent||elem.innerText||Sizzle.getText([elem])||"").indexOf(match[3])>=0}else if(name==="not"){var not=match[3];for(var j=0,l=not.length;j<l;j++){if(not[j]===elem){return false}}return true}else{Sizzle.error("Syntax error, unrecognized expression: "+name)}},CHILD:function(elem,match){var type=match[1],node=elem;switch(type){case"only":case"first":while((node=node.previousSibling)){if(node.nodeType===1){return false}}if(type==="first"){return true}node=elem;case"last":while((node=node.nextSibling)){if(node.nodeType===1){return false}}return true;case"nth":var first=match[2],last=match[3];if(first===1&&last===0){return true}var doneName=match[0],parent=elem.parentNode;if(parent&&(parent.sizcache!==doneName||!elem.nodeIndex)){var count=0;for(node=parent.firstChild;node;node=node.nextSibling){if(node.nodeType===1){node.nodeIndex=++count}}parent.sizcache=doneName}var diff=elem.nodeIndex-last;if(first===0){return diff===0}else{return(diff%first===0&&diff/first>=0)}}},ID:function(elem,match){return elem.nodeType===1&&elem.getAttribute("id")===match},TAG:function(elem,match){return(match==="*"&&elem.nodeType===1)||elem.nodeName.toLowerCase()===match},CLASS:function(elem,match){return(" "+(elem.className||elem.getAttribute("class"))+" ").indexOf(match)>-1},ATTR:function(elem,match){var name=match[1],result=Expr.attrHandle[name]?Expr.attrHandle[name](elem):elem[name]!=null?elem[name]:elem.getAttribute(name),value=result+"",type=match[2],check=match[4];return result==null?type==="!=":type==="="?value===check:type==="*="?value.indexOf(check)>=0:type==="~="?(" "+value+" ").indexOf(check)>=0:!check?value&&result!==false:type==="!="?value!==check:type==="^="?value.indexOf(check)===0:type==="$="?value.substr(value.length-check.length)===check:type==="|="?value===check||value.substr(0,check.length+1)===check+"-":false},POS:function(elem,match,i,array){var name=match[2],filter=Expr.setFilters[name];if(filter){return filter(elem,i,match,array)}}}};var origPOS=Expr.match.POS,fescape=function(all,num){return"\\"+(num-0+1)};for(var type in Expr.match){Expr.match[type]=new RegExp(Expr.match[type].source+(/(?![^\[]*\])(?![^\(]*\))/.source));Expr.leftMatch[type]=new RegExp(/(^(?:.|\r|\n)*?)/.source+Expr.match[type].source.replace(/\\(\d+)/g,fescape))}var makeArray=function(array,results){array=Array.prototype.slice.call(array,0);if(results){results.push.apply(results,array);return results}return array};try{Array.prototype.slice.call(document.documentElement.childNodes,0)[0].nodeType}catch(e){makeArray=function(array,results){var i=0,ret=results||[];if(toString.call(array)==="[object Array]"){Array.prototype.push.apply(ret,array)}else{if(typeof array.length==="number"){for(var l=array.length;i<l;i++){ret.push(array[i])}}else{for(;array[i];i++){ret.push(array[i])}}}return ret}}var sortOrder,siblingCheck;if(document.documentElement.compareDocumentPosition){sortOrder=function(a,b){if(a===b){hasDuplicate=true;return 0}if(!a.compareDocumentPosition||!b.compareDocumentPosition){return a.compareDocumentPosition?-1:1}return a.compareDocumentPosition(b)&4?-1:1}}else{sortOrder=function(a,b){var al,bl,ap=[],bp=[],aup=a.parentNode,bup=b.parentNode,cur=aup;if(a===b){hasDuplicate=true;return 0}else if(aup===bup){return siblingCheck(a,b)}else if(!aup){return-1}else if(!bup){return 1}while(cur){ap.unshift(cur);cur=cur.parentNode}cur=bup;while(cur){bp.unshift(cur);cur=cur.parentNode}al=ap.length;bl=bp.length;for(var i=0;i<al&&i<bl;i++){if(ap[i]!==bp[i]){return siblingCheck(ap[i],bp[i])}}return i===al?siblingCheck(a,bp[i],-1):siblingCheck(ap[i],b,1)};siblingCheck=function(a,b,ret){if(a===b){return ret}var cur=a.nextSibling;while(cur){if(cur===b){return-1}cur=cur.nextSibling}return 1}}Sizzle.getText=function(elems){var ret="",elem;for(var i=0;elems[i];i++){elem=elems[i];if(elem.nodeType===3||elem.nodeType===4){ret+=elem.nodeValue}else if(elem.nodeType!==8){ret+=Sizzle.getText(elem.childNodes)}}return ret};(function(){var form=document.createElement("div"),id="script"+(new Date()).getTime(),root=document.documentElement;form.innerHTML="<a name='"+id+"'/>";root.insertBefore(form,root.firstChild);if(document.getElementById(id)){Expr.find.ID=function(match,context,isXML){if(typeof context.getElementById!=="undefined"&&!isXML){var m=context.getElementById(match[1]);return m?m.id===match[1]||typeof m.getAttributeNode!=="undefined"&&m.getAttributeNode("id").nodeValue===match[1]?[m]:undefined:[]}};Expr.filter.ID=function(elem,match){var node=typeof elem.getAttributeNode!=="undefined"&&elem.getAttributeNode("id");return elem.nodeType===1&&node&&node.nodeValue===match}}root.removeChild(form);root=form=null})();(function(){var div=document.createElement("div");div.appendChild(document.createComment(""));if(div.getElementsByTagName("*").length>0){Expr.find.TAG=function(match,context){var results=context.getElementsByTagName(match[1]);if(match[1]==="*"){var tmp=[];for(var i=0;results[i];i++){if(results[i].nodeType===1){tmp.push(results[i])}}results=tmp}return results}}div.innerHTML="<a href='#'></a>";if(div.firstChild&&typeof div.firstChild.getAttribute!=="undefined"&&div.firstChild.getAttribute("href")!=="#"){Expr.attrHandle.href=function(elem){return elem.getAttribute("href",2)}}div=null})();if(document.querySelectorAll){(function(){var oldSizzle=Sizzle,div=document.createElement("div"),id="__sizzle__";div.innerHTML="<p class='TEST'></p>";if(div.querySelectorAll&&div.querySelectorAll(".TEST").length===0){return}Sizzle=function(query,context,extra,seed){context=context||document;query=query.replace(/\=\s*([^'"\]]*)\s*\]/g,"='$1']");if(!seed&&!Sizzle.isXML(context)){if(context.nodeType===9){try{return makeArray(context.querySelectorAll(query),extra)}catch(qsaError){}}else if(context.nodeType===1&&context.nodeName.toLowerCase()!=="object"){var old=context.getAttribute("id"),nid=old||id;if(!old){context.setAttribute("id",nid)}try{return makeArray(context.querySelectorAll("#"+nid+" "+query),extra)}catch(pseudoError){}finally{if(!old){context.removeAttribute("id")}}}}return oldSizzle(query,context,extra,seed)};for(var prop in oldSizzle){Sizzle[prop]=oldSizzle[prop]}div=null})()}(function(){var html=document.documentElement,matches=html.matchesSelector||html.mozMatchesSelector||html.webkitMatchesSelector||html.msMatchesSelector,pseudoWorks=false;try{matches.call(document.documentElement,"[test!='']:sizzle")}catch(pseudoError){pseudoWorks=true}if(matches){Sizzle.matchesSelector=function(node,expr){expr=expr.replace(/\=\s*([^'"\]]*)\s*\]/g,"='$1']");if(!Sizzle.isXML(node)){try{if(pseudoWorks||!Expr.match.PSEUDO.test(expr)&&!/!=/.test(expr)){return matches.call(node,expr)}}catch(e){}}return Sizzle(expr,null,null,[node]).length>0}}})();(function(){var div=document.createElement("div");div.innerHTML="<div class='test e'></div><div class='test'></div>";if(!div.getElementsByClassName||div.getElementsByClassName("e").length===0){return}div.lastChild.className="e";if(div.getElementsByClassName("e").length===1){return}Expr.order.splice(1,0,"CLASS");Expr.find.CLASS=function(match,context,isXML){if(typeof context.getElementsByClassName!=="undefined"&&!isXML){return context.getElementsByClassName(match[1])}};div=null})();function dirNodeCheck(dir,cur,doneName,checkSet,nodeCheck,isXML){for(var i=0,l=checkSet.length;i<l;i++){var elem=checkSet[i];if(elem){var match=false;elem=elem[dir];while(elem){if(elem.sizcache===doneName){match=checkSet[elem.sizset];break}if(elem.nodeType===1&&!isXML){elem.sizcache=doneName;elem.sizset=i}if(elem.nodeName.toLowerCase()===cur){match=elem;break}elem=elem[dir]}checkSet[i]=match}}}function dirCheck(dir,cur,doneName,checkSet,nodeCheck,isXML){for(var i=0,l=checkSet.length;i<l;i++){var elem=checkSet[i];if(elem){var match=false;elem=elem[dir];while(elem){if(elem.sizcache===doneName){match=checkSet[elem.sizset];break}if(elem.nodeType===1){if(!isXML){elem.sizcache=doneName;elem.sizset=i}if(typeof cur!=="string"){if(elem===cur){match=true;break}}else if(Sizzle.filter(cur,[elem]).length>0){match=elem;break}}elem=elem[dir]}checkSet[i]=match}}}if(document.documentElement.contains){Sizzle.contains=function(a,b){return a!==b&&(a.contains?a.contains(b):true)}}else if(document.documentElement.compareDocumentPosition){Sizzle.contains=function(a,b){return!!(a.compareDocumentPosition(b)&16)}}else{Sizzle.contains=function(){return false}}Sizzle.isXML=function(elem){var documentElement=(elem?elem.ownerDocument||elem:0).documentElement;return documentElement?documentElement.nodeName!=="HTML":false};var posProcess=function(selector,context){var match,tmpSet=[],later="",root=context.nodeType?[context]:context;while((match=Expr.match.PSEUDO.exec(selector))){later+=match[0];selector=selector.replace(Expr.match.PSEUDO,"")}selector=Expr.relative[selector]?selector+"*":selector;for(var i=0,l=root.length;i<l;i++){Sizzle(selector,root[i],tmpSet)}return Sizzle.filter(later,tmpSet)};window.Sizzle=Sizzle})();

/*
 * jQuery blockUI plugin
 * Version 2.23 (21-JUN-2009)
 * @requires jQuery v1.2.3 or later
 *
 * Examples at: http://malsup.com/jquery/block/
 * Copyright (c) 2007-2008 M. Alsup
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 * Thanks to Amir-Hossein Sobhi for some excellent contributions!
 */

;(function($) {

if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) {
    alert('blockUI requires jQuery v1.2.3 or later!  You are using v' + $.fn.jquery);
    return;
}

$.fn._fadeIn = $.fn.fadeIn;

// this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
// retarded userAgent strings on Vista)
var mode = document.documentMode || 0;
var setExpr = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8);
var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent) && !mode;

// global $ methods for blocking/unblocking the entire page
$.blockUI   = function(opts) { install(window, opts); };
$.unblockUI = function(opts) { remove(window, opts); };

// convenience method for quick growl-like notifications  (http://www.google.com/search?q=growl)
$.growlUI = function(title, message, timeout, onClose) {
	var $m = $('<div class="growlUI"></div>');
	if (title) $m.append('<h1>'+title+'</h1>');
	if (message) $m.append('<h2>'+message+'</h2>');
	if (timeout == undefined) timeout = 3000;
    $.blockUI({
		message: $m, fadeIn: 700, fadeOut: 1000, centerY: false,
		timeout: timeout, showOverlay: false,
		onUnblock: onClose, 
		css: $.blockUI.defaults.growlCSS
    });
};

// plugin method for blocking element content
$.fn.block = function(opts) {
    return this.unblock({ fadeOut: 0 }).each(function() {
        if ($.css(this,'position') == 'static')
            this.style.position = 'relative';
        if ($.browser.msie)
            this.style.zoom = 1; // force 'hasLayout'
        install(this, opts);
    });
};

// plugin method for unblocking element content
$.fn.unblock = function(opts) {
    return this.each(function() {
        remove(this, opts);
    });
};

$.blockUI.version = 2.23; // 2nd generation blocking at no extra cost!

// override these in your code to change the default behavior and style
$.blockUI.defaults = {
    // message displayed when blocking (use null for no message)
    message:  '<h1>Please wait...</h1>',

    // styles for the message when blocking; if you wish to disable
    // these and use an external stylesheet then do this in your code:
    // $.blockUI.defaults.css = {};
    css: {
        padding:        0,
        margin:         0,
        width:          '30%',
        top:            '40%',
        left:           '35%',
        textAlign:      'center',
        color:          '#000',
        border:         '3px solid #aaa',
        backgroundColor:'#fff',
        cursor:         'wait'
    },

    // styles for the overlay
    overlayCSS:  {
        backgroundColor: '#000',
        opacity:          0.6,
        cursor:          'wait'
    },

	// styles applied when using $.growlUI
	growlCSS: {
		width:    '350px',
		top:      '10px',
		left:     '',
		right:    '10px',
	    border:   'none',
	    padding:  '5px',
	    opacity:   0.6,
		cursor:    null,
	    color:    '#fff',
	    backgroundColor: '#000',
	    '-webkit-border-radius': '10px',
	    '-moz-border-radius':    '10px'
	},
	
	// IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w
	// (hat tip to Jorge H. N. de Vasconcelos)
	iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',

	// force usage of iframe in non-IE browsers (handy for blocking applets)
	forceIframe: false,

    // z-index for the blocking overlay
    baseZ: 1000,

    // set these to true to have the message automatically centered
    centerX: true, // <-- only effects element blocking (page block controlled via css above)
    centerY: true,

    // allow body element to be stetched in ie6; this makes blocking look better
    // on "short" pages.  disable if you wish to prevent changes to the body height
    allowBodyStretch: true,

	// enable if you want key and mouse events to be disabled for content that is blocked
	bindEvents: true,

    // be default blockUI will supress tab navigation from leaving blocking content
    // (if bindEvents is true)
    constrainTabKey: true,

    // fadeIn time in millis; set to 0 to disable fadeIn on block
    fadeIn:  200,

    // fadeOut time in millis; set to 0 to disable fadeOut on unblock
    fadeOut:  400,

	// time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock
	timeout: 0,

	// disable if you don't want to show the overlay
	showOverlay: true,

    // if true, focus will be placed in the first available input field when
    // page blocking
    focusInput: true,

    // suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
    applyPlatformOpacityRules: true,

    // callback method invoked when unblocking has completed; the callback is
    // passed the element that has been unblocked (which is the window object for page
    // blocks) and the options that were passed to the unblock call:
    //     onUnblock(element, options)
    onUnblock: null,

    // don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493
    quirksmodeOffsetHack: 4
};

// private data and functions follow...

var pageBlock = null;
var pageBlockEls = [];

function install(el, opts) {
    var full = (el == window);
    var msg = opts && opts.message !== undefined ? opts.message : undefined;
    opts = $.extend({}, $.blockUI.defaults, opts || {});
    opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {});
    var css = $.extend({}, $.blockUI.defaults.css, opts.css || {});
    msg = msg === undefined ? opts.message : msg;

    // remove the current block (if there is one)
    if (full && pageBlock)
        remove(window, {fadeOut:0});

    // if an existing element is being used as the blocking content then we capture
    // its current place in the DOM (and current display style) so we can restore
    // it when we unblock
    if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
        var node = msg.jquery ? msg[0] : msg;
        var data = {};
        $(el).data('blockUI.history', data);
        data.el = node;
        data.parent = node.parentNode;
        data.display = node.style.display;
        data.position = node.style.position;
		if (data.parent)
			data.parent.removeChild(node);
    }

    var z = opts.baseZ;

    // blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
    // layer1 is the iframe layer which is used to supress bleed through of underlying content
    // layer2 is the overlay layer which has opacity and a wait cursor (by default)
    // layer3 is the message content that is displayed while blocking

    var lyr1 = ($.browser.msie || opts.forceIframe) 
    	? $('<iframe class="blockUI" style="z-index:'+ (z++) +';display:none;border:none;margin:0;padding:0;position:absolute;width:100%;height:100%;top:0;left:0" src="'+opts.iframeSrc+'"></iframe>')
        : $('<div class="blockUI" style="display:none"></div>');
    var lyr2 = $('<div class="blockUI blockOverlay" style="z-index:'+ (z++) +';display:none;border:none;margin:0;padding:0;width:100%;height:100%;top:0;left:0"></div>');
    var lyr3 = full ? $('<div class="blockUI blockMsg blockPage" style="z-index:'+z+';display:none;position:fixed"></div>')
                    : $('<div class="blockUI blockMsg blockElement" style="z-index:'+z+';display:none;position:absolute"></div>');

    // if we have a message, style it
    if (msg)
        lyr3.css(css);

    // style the overlay
    if (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform)))
        lyr2.css(opts.overlayCSS);
    lyr2.css('position', full ? 'fixed' : 'absolute');

    // make iframe layer transparent in IE
    if ($.browser.msie || opts.forceIframe)
        lyr1.css('opacity',0.0);

    $([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);

    // ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
    var expr = setExpr && (!$.boxModel || $('object,embed', full ? null : el).length > 0);
    if (ie6 || expr) {
        // give body 100% height
        if (full && opts.allowBodyStretch && $.boxModel)
            $('html,body').css('height','100%');

        // fix ie6 issue when blocked element has a border width
        if ((ie6 || !$.boxModel) && !full) {
            var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth');
            var fixT = t ? '(0 - '+t+')' : 0;
            var fixL = l ? '(0 - '+l+')' : 0;
        }

        // simulate fixed position
        $.each([lyr1,lyr2,lyr3], function(i,o) {
            var s = o[0].style;
            s.position = 'absolute';
            if (i < 2) {
                full ? s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"')
                     : s.setExpression('height','this.parentNode.offsetHeight + "px"');
                full ? s.setExpression('width','jQuery.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"')
                     : s.setExpression('width','this.parentNode.offsetWidth + "px"');
                if (fixL) s.setExpression('left', fixL);
                if (fixT) s.setExpression('top', fixT);
            }
            else if (opts.centerY) {
                if (full) s.setExpression('top','(document.documentElement.clientHeight || document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + "px"');
                s.marginTop = 0;
            }
			else if (!opts.centerY && full) {
				var top = (opts.css && opts.css.top) ? parseInt(opts.css.top) : 0;
				var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"';
                s.setExpression('top',expression);
			}
        });
    }

    // show the message
	if (msg) {
		lyr3.append(msg);
		if (msg.jquery || msg.nodeType)
			$(msg).show();
	}

	if (($.browser.msie || opts.forceIframe) && opts.showOverlay)
		lyr1.show(); // opacity is zero
	if (opts.fadeIn) {
		if (opts.showOverlay)
			lyr2._fadeIn(opts.fadeIn);
		if (msg)
			lyr3.fadeIn(opts.fadeIn);
	}
	else {
		if (opts.showOverlay)
			lyr2.show();
		if (msg)
			lyr3.show();
	}

    // bind key and mouse events
    bind(1, el, opts);

    if (full) {
        pageBlock = lyr3[0];
        pageBlockEls = $(':input:enabled:visible',pageBlock);
        if (opts.focusInput)
            setTimeout(focus, 20);
    }
    else
        center(lyr3[0], opts.centerX, opts.centerY);

	if (opts.timeout) {
		// auto-unblock
		var to = setTimeout(function() {
			full ? $.unblockUI(opts) : $(el).unblock(opts);
		}, opts.timeout);
		$(el).data('blockUI.timeout', to);
	}
};

// remove the block
function remove(el, opts) {
    var full = el == window;
	var $el = $(el);
    var data = $el.data('blockUI.history');
	var to = $el.data('blockUI.timeout');
	if (to) {
		clearTimeout(to);
		$el.removeData('blockUI.timeout');
	}
    opts = $.extend({}, $.blockUI.defaults, opts || {});
    bind(0, el, opts); // unbind events
    var els = full ? $('body').children().filter('.blockUI') : $('.blockUI', el);

    if (full)
        pageBlock = pageBlockEls = null;

    if (opts.fadeOut) {
        els.fadeOut(opts.fadeOut);
        setTimeout(function() { reset(els,data,opts,el); }, opts.fadeOut);
    }
    else
        reset(els, data, opts, el);
};

// move blocking element back into the DOM where it started
function reset(els,data,opts,el) {
    els.each(function(i,o) {
        // remove via DOM calls so we don't lose event handlers
        if (this.parentNode)
            this.parentNode.removeChild(this);
    });

    if (data && data.el) {
        data.el.style.display = data.display;
        data.el.style.position = data.position;
		if (data.parent)
			data.parent.appendChild(data.el);
        $(data.el).removeData('blockUI.history');
    }

    if (typeof opts.onUnblock == 'function')
        opts.onUnblock(el,opts);
};

// bind/unbind the handler
function bind(b, el, opts) {
    var full = el == window, $el = $(el);

    // don't bother unbinding if there is nothing to unbind
    if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked')))
        return;
    if (!full)
        $el.data('blockUI.isBlocked', b);

	// don't bind events when overlay is not in use or if bindEvents is false
    if (!opts.bindEvents || (b && !opts.showOverlay)) 
		return;

    // bind anchors and inputs for mouse and key events
    var events = 'mousedown mouseup keydown keypress';
    b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler);

// former impl...
//    var $e = $('a,:input');
//    b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);
};

// event handler to suppress keyboard/mouse events when blocking
function handler(e) {
    // allow tab navigation (conditionally)
    if (e.keyCode && e.keyCode == 9) {
        if (pageBlock && e.data.constrainTabKey) {
            var els = pageBlockEls;
            var fwd = !e.shiftKey && e.target == els[els.length-1];
            var back = e.shiftKey && e.target == els[0];
            if (fwd || back) {
                setTimeout(function(){focus(back)},10);
                return false;
            }
        }
    }
    // allow events within the message content
    if ($(e.target).parents('div.blockMsg').length > 0)
        return true;

    // allow events for content that is not being blocked
    return $(e.target).parents().children().filter('div.blockUI').length == 0;
};

function focus(back) {
    if (!pageBlockEls)
        return;
    var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0];
    if (e)
        e.focus();
};

function center(el, x, y) {
    var p = el.parentNode, s = el.style;
    var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth');
    var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth');
    if (x) s.left = l > 0 ? (l+'px') : '0';
    if (y) s.top  = t > 0 ? (t+'px') : '0';
};

function sz(el, p) {
    return parseInt($.css(el,p))||0;
};

})(jQuery);


/*
 * jQuery ifixpng plugin
 * (previously known as pngfix)
 * Version 2.1  (23/04/2008)
 * @requires jQuery v1.1.3 or above
 *
 * Examples at: http://jquery.khurshid.com
 * Copyright (c) 2007 Kush M.
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 */
 
 /**
  *
  * @example
  *
  * optional if location of pixel.gif if different to default which is images/pixel.gif
  * $.ifixpng('media/pixel.gif');
  *
  * $('img[@src$=.png], #panel').ifixpng();
  *
  * @apply hack to all png images and #panel which icluded png img in its css
  *
  * @name ifixpng
  * @type jQuery
  * @cat Plugins/Image
  * @return jQuery
  * @author jQuery Community
  */
 
(function($) {

	/**
	 * helper variables and function
	 */
	$.ifixpng = function(customPixel) {
		$.ifixpng.pixel = customPixel;
	};
	
	$.ifixpng.getPixel = function() {
		return $.ifixpng.pixel || 'themes/hoerspiel24/img/pixel.gif';
	};
	
	var hack = {
		ltie7  : $.browser.msie && $.browser.version < 7,
		filter : function(src) {
			return "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=crop,src='"+src+"')";
		}
	};
	
	/**
	 * Applies ie png hack to selected dom elements
	 *
	 * $('img[@src$=.png]').ifixpng();
	 * @desc apply hack to all images with png extensions
	 *
	 * $('#panel, img[@src$=.png]').ifixpng();
	 * @desc apply hack to element #panel and all images with png extensions
	 *
	 * @name ifixpng
	 */
	 
	$.fn.ifixpng = hack.ltie7 ? function() {
    	return this.each(function() {
			var $$ = $(this);
			// in case rewriting urls
			var base = $('base').attr('href');
			if (base) {
				// remove anything after the last '/'
				base = base.replace(/\/[^\/]+$/,'/');
			}
			if ($$.is('img') || $$.is('input')) { // hack image tags present in dom
				if ($$.attr('src')) {
					if ($$.attr('src').match(/.*\.png([?].*)?$/i)) { // make sure it is png image
						// use source tag value if set 
						var source = (base && $$.attr('src').search(/^(\/|http:)/i)) ? base + $$.attr('src') : $$.attr('src');
						// apply filter
						$$.css({filter:hack.filter(source), width:$$.width(), height:$$.height()})
						  .attr({src:$.ifixpng.getPixel()})
						  .positionFix();
					}
				}
			} else { // hack png css properties present inside css
				var image = $$.css('backgroundImage');
				if (image.match(/^url\(["']?(.*\.png([?].*)?)["']?\)$/i)) {
					image = RegExp.$1;
					image = (base && image.substring(0,1)!='/') ? base + image : image;
					$$.css({backgroundImage:'none', filter:hack.filter(image)})
					  .children().children().positionFix();
				}
			}
		});
	} : function() { return this; };
	
	/**
	 * Removes any png hack that may have been applied previously
	 *
	 * $('img[@src$=.png]').iunfixpng();
	 * @desc revert hack on all images with png extensions
	 *
	 * $('#panel, img[@src$=.png]').iunfixpng();
	 * @desc revert hack on element #panel and all images with png extensions
	 *
	 * @name iunfixpng
	 */
	 
	$.fn.iunfixpng = hack.ltie7 ? function() {
    	return this.each(function() {
			var $$ = $(this);
			var src = $$.css('filter');
			if (src.match(/src=["']?(.*\.png([?].*)?)["']?/i)) { // get img source from filter
				src = RegExp.$1;
				if ($$.is('img') || $$.is('input')) {
					$$.attr({src:src}).css({filter:''});
				} else {
					$$.css({filter:'', background:'url('+src+')'});
				}
			}
		});
	} : function() { return this; };
	
	/**
	 * positions selected item relatively
	 */
	 
	$.fn.positionFix = function() {
		return this.each(function() {
			var $$ = $(this);
			var position = $$.css('position');
			if (position != 'absolute' && position != 'relative') {
				$$.css({position:'relative'});
			}
		});
	};

})(jQuery);

/*!
 * jCarousel - Riding carousels with jQuery
 *   http://sorgalla.com/jcarousel/
 *
 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Built on top of the jQuery library
 *   http://jquery.com
 *
 * Inspired by the "Carousel Component" by Bill Scott
 *   http://billwscott.com/carousel/
 */

(function($) {
    /**
     * Creates a carousel for all matched elements.
     *
     * @example $("#mycarousel").jcarousel();
     * @before <ul id="mycarousel" class="jcarousel-skin-name"><li>First item</li><li>Second item</li></ul>
     * @result
     *
     * <div class="jcarousel-skin-name">
     *   <div class="jcarousel-container">
     *     <div class="jcarousel-clip">
     *       <ul class="jcarousel-list">
     *         <li class="jcarousel-item-1">First item</li>
     *         <li class="jcarousel-item-2">Second item</li>
     *       </ul>
     *     </div>
     *     <div disabled="disabled" class="jcarousel-prev jcarousel-prev-disabled"></div>
     *     <div class="jcarousel-next"></div>
     *   </div>
     * </div>
     *
     * @method jcarousel
     * @return jQuery
     * @param o {Hash|String} A set of key/value pairs to set as configuration properties or a method name to call on a formerly created instance.
     */
    $.fn.jcarousel = function(o) {
        if (typeof o == 'string') {
            var instance = $(this).data('jcarousel'), args = Array.prototype.slice.call(arguments, 1);
            return instance[o].apply(instance, args);
        } else
            return this.each(function() {
                $(this).data('jcarousel', new $jc(this, o));
            });
    };

    // Default configuration properties.
    var defaults = {
        vertical: false,
        rtl: false,
        start: 1,
        offset: 1,
        size: null,
        scroll: 3,
        visible: null,
        animation: 'normal',
        easing: 'swing',
        auto: 0,
        wrap: null,
        initCallback: null,
        reloadCallback: null,
        itemLoadCallback: null,
        itemFirstInCallback: null,
        itemFirstOutCallback: null,
        itemLastInCallback: null,
        itemLastOutCallback: null,
        itemVisibleInCallback: null,
        itemVisibleOutCallback: null,
        buttonNextHTML: '<div></div>',
        buttonPrevHTML: '<div></div>',
        buttonNextEvent: 'click',
        buttonPrevEvent: 'click',
        buttonNextCallback: null,
        buttonPrevCallback: null,
        itemFallbackDimension: null
    }, windowLoaded = false;

    $(window).bind('load.jcarousel', function() { windowLoaded = true; })

    /**
     * The jCarousel object.
     *
     * @constructor
     * @class jcarousel
     * @param e {HTMLElement} The element to create the carousel for.
     * @param o {Object} A set of key/value pairs to set as configuration properties.
     * @cat Plugins/jCarousel
     */
    $.jcarousel = function(e, o) {
        this.options    = $.extend({}, defaults, o || {});

        this.locked     = false;

        this.container  = null;
        this.clip       = null;
        this.list       = null;
        this.buttonNext = null;
        this.buttonPrev = null;

        // Only set if not explicitly passed as option
        if (!o || o.rtl === undefined)
            this.options.rtl = ($(e).attr('dir') || $('html').attr('dir') || '').toLowerCase() == 'rtl';

        this.wh = !this.options.vertical ? 'width' : 'height';
        this.lt = !this.options.vertical ? (this.options.rtl ? 'right' : 'left') : 'top';

        // Extract skin class
        var skin = '', split = e.className.split(' ');

        for (var i = 0; i < split.length; i++) {
            if (split[i].indexOf('jcarousel-skin') != -1) {
                $(e).removeClass(split[i]);
                skin = split[i];
                break;
            }
        }

        if (e.nodeName.toUpperCase() == 'UL' || e.nodeName.toUpperCase() == 'OL') {
            this.list = $(e);
            this.container = this.list.parent();

            if (this.container.hasClass('jcarousel-clip')) {
                if (!this.container.parent().hasClass('jcarousel-container'))
                    this.container = this.container.wrap('<div></div>');

                this.container = this.container.parent();
            } else if (!this.container.hasClass('jcarousel-container'))
                this.container = this.list.wrap('<div></div>').parent();
        } else {
            this.container = $(e);
            this.list = this.container.find('ul,ol').eq(0);
        }

        if (skin != '' && this.container.parent()[0].className.indexOf('jcarousel-skin') == -1)
            this.container.wrap('<div class=" '+ skin + '"></div>');

        this.clip = this.list.parent();

        if (!this.clip.length || !this.clip.hasClass('jcarousel-clip'))
            this.clip = this.list.wrap('<div></div>').parent();

        this.buttonNext = $('.jcarousel-next', this.container);

        if (this.buttonNext.size() == 0 && this.options.buttonNextHTML != null)
            this.buttonNext = this.clip.after(this.options.buttonNextHTML).next();

        this.buttonNext.addClass(this.className('jcarousel-next'));

        this.buttonPrev = $('.jcarousel-prev', this.container);

        if (this.buttonPrev.size() == 0 && this.options.buttonPrevHTML != null)
            this.buttonPrev = this.clip.after(this.options.buttonPrevHTML).next();

        this.buttonPrev.addClass(this.className('jcarousel-prev'));

        this.clip.addClass(this.className('jcarousel-clip')).css({
            overflow: 'hidden',
            position: 'relative'
        });
        this.list.addClass(this.className('jcarousel-list')).css({
            overflow: 'hidden',
            position: 'relative',
            top: 0,
            margin: 0,
            padding: 0
        }).css((this.options.rtl ? 'right' : 'left'), 0);
        this.container.addClass(this.className('jcarousel-container')).css({
            position: 'relative'
        });
        if (!this.options.vertical && this.options.rtl)
            this.container.addClass('jcarousel-direction-rtl').attr('dir', 'rtl');

        var di = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;
        var li = this.list.children('li');

        var self = this;

        if (li.size() > 0) {
            var wh = 0, i = this.options.offset;
            li.each(function() {
                self.format(this, i++);
                wh += self.dimension(this, di);
            });

            this.list.css(this.wh, (wh + 100) + 'px');

            // Only set if not explicitly passed as option
            if (!o || o.size === undefined)
                this.options.size = li.size();
        }

        // For whatever reason, .show() does not work in Safari...
        this.container.css('display', 'block');
        this.buttonNext.css('display', 'block');
        this.buttonPrev.css('display', 'block');

        this.funcNext   = function() { self.next(); };
        this.funcPrev   = function() { self.prev(); };
        this.funcResize = function() { self.reload(); };

        if (this.options.initCallback != null)
            this.options.initCallback(this, 'init');

        if (!windowLoaded && $.browser.safari) {
            this.buttons(false, false);
            $(window).bind('load.jcarousel', function() { self.setup(); });
        } else
            this.setup();
    };

    // Create shortcut for internal use
    var $jc = $.jcarousel;

    $jc.fn = $jc.prototype = {
        jcarousel: '0.2.5'
    };

    $jc.fn.extend = $jc.extend = $.extend;

    $jc.fn.extend({
        /**
         * Setups the carousel.
         *
         * @method setup
         * @return undefined
         */
        setup: function() {
            this.first     = null;
            this.last      = null;
            this.prevFirst = null;
            this.prevLast  = null;
            this.animating = false;
            this.timer     = null;
            this.tail      = null;
            this.inTail    = false;

            if (this.locked)
                return;

            this.list.css(this.lt, this.pos(this.options.offset) + 'px');
            var p = this.pos(this.options.start);
            this.prevFirst = this.prevLast = null;
            this.animate(p, false);

            $(window).unbind('resize.jcarousel', this.funcResize).bind('resize.jcarousel', this.funcResize);
        },

        /**
         * Clears the list and resets the carousel.
         *
         * @method reset
         * @return undefined
         */
        reset: function() {
            this.list.empty();

            this.list.css(this.lt, '0px');
            this.list.css(this.wh, '10px');

            if (this.options.initCallback != null)
                this.options.initCallback(this, 'reset');

            this.setup();
        },

        /**
         * Reloads the carousel and adjusts positions.
         *
         * @method reload
         * @return undefined
         */
        reload: function() {
            if (this.tail != null && this.inTail)
                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + this.tail);

            this.tail   = null;
            this.inTail = false;

            if (this.options.reloadCallback != null)
                this.options.reloadCallback(this);

            if (this.options.visible != null) {
                var self = this;
                var di = Math.ceil(this.clipping() / this.options.visible), wh = 0, lt = 0;
                this.list.children('li').each(function(i) {
                    wh += self.dimension(this, di);
                    if (i + 1 < self.first)
                        lt = wh;
                });

                this.list.css(this.wh, wh + 'px');
                this.list.css(this.lt, -lt + 'px');
            }

            this.scroll(this.first, false);
        },

        /**
         * Locks the carousel.
         *
         * @method lock
         * @return undefined
         */
        lock: function() {
            this.locked = true;
            this.buttons();
        },

        /**
         * Unlocks the carousel.
         *
         * @method unlock
         * @return undefined
         */
        unlock: function() {
            this.locked = false;
            this.buttons();
        },

        /**
         * Sets the size of the carousel.
         *
         * @method size
         * @return undefined
         * @param s {Number} The size of the carousel.
         */
        size: function(s) {
            if (s != undefined) {
                this.options.size = s;
                if (!this.locked)
                    this.buttons();
            }

            return this.options.size;
        },

        /**
         * Checks whether a list element exists for the given index (or index range).
         *
         * @method get
         * @return bool
         * @param i {Number} The index of the (first) element.
         * @param i2 {Number} The index of the last element.
         */
        has: function(i, i2) {
            if (i2 == undefined || !i2)
                i2 = i;

            if (this.options.size !== null && i2 > this.options.size)
                i2 = this.options.size;

            for (var j = i; j <= i2; j++) {
                var e = this.get(j);
                if (!e.length || e.hasClass('jcarousel-item-placeholder'))
                    return false;
            }

            return true;
        },

        /**
         * Returns a jQuery object with list element for the given index.
         *
         * @method get
         * @return jQuery
         * @param i {Number} The index of the element.
         */
        get: function(i) {
            return $('.jcarousel-item-' + i, this.list);
        },

        /**
         * Adds an element for the given index to the list.
         * If the element already exists, it updates the inner html.
         * Returns the created element as jQuery object.
         *
         * @method add
         * @return jQuery
         * @param i {Number} The index of the element.
         * @param s {String} The innerHTML of the element.
         */
        add: function(i, s) {
            var e = this.get(i), old = 0, n = $(s);

            if (e.length == 0) {
                var c, e = this.create(i), j = $jc.intval(i);
                while (c = this.get(--j)) {
                    if (j <= 0 || c.length) {
                        j <= 0 ? this.list.prepend(e) : c.after(e);
                        break;
                    }
                }
            } else
                old = this.dimension(e);

            if (n.get(0).nodeName.toUpperCase() == 'LI') {
                e.replaceWith(n);
                e = n;
            } else
                e.empty().append(s);

            this.format(e.removeClass(this.className('jcarousel-item-placeholder')), i);

            var di = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;
            var wh = this.dimension(e, di) - old;

            if (i > 0 && i < this.first)
                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - wh + 'px');

            this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) + wh + 'px');

            return e;
        },

        /**
         * Removes an element for the given index from the list.
         *
         * @method remove
         * @return undefined
         * @param i {Number} The index of the element.
         */
        remove: function(i) {
            var e = this.get(i);

            // Check if item exists and is not currently visible
            if (!e.length || (i >= this.first && i <= this.last))
                return;

            var d = this.dimension(e);

            if (i < this.first)
                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + d + 'px');

            e.remove();

            this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) - d + 'px');
        },

        /**
         * Moves the carousel forwards.
         *
         * @method next
         * @return undefined
         */
        next: function() {
            this.stopAuto();

            if (this.tail != null && !this.inTail)
                this.scrollTail(false);
            else
                this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'last') && this.options.size != null && this.last == this.options.size) ? 1 : this.first + this.options.scroll);
        },

        /**
         * Moves the carousel backwards.
         *
         * @method prev
         * @return undefined
         */
        prev: function() {
            this.stopAuto();

            if (this.tail != null && this.inTail)
                this.scrollTail(true);
            else
                this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'first') && this.options.size != null && this.first == 1) ? this.options.size : this.first - this.options.scroll);
        },

        /**
         * Scrolls the tail of the carousel.
         *
         * @method scrollTail
         * @return undefined
         * @param b {Boolean} Whether scroll the tail back or forward.
         */
        scrollTail: function(b) {
            if (this.locked || this.animating || !this.tail)
                return;

            var pos  = $jc.intval(this.list.css(this.lt));

            !b ? pos -= this.tail : pos += this.tail;
            this.inTail = !b;

            // Save for callbacks
            this.prevFirst = this.first;
            this.prevLast  = this.last;

            this.animate(pos);
        },

        /**
         * Scrolls the carousel to a certain position.
         *
         * @method scroll
         * @return undefined
         * @param i {Number} The index of the element to scoll to.
         * @param a {Boolean} Flag indicating whether to perform animation.
         */
        scroll: function(i, a) {
            if (this.locked || this.animating)
                return;

            this.animate(this.pos(i), a);
        },

        /**
         * Prepares the carousel and return the position for a certian index.
         *
         * @method pos
         * @return {Number}
         * @param i {Number} The index of the element to scoll to.
         */
        pos: function(i) {
            var pos  = $jc.intval(this.list.css(this.lt));

            if (this.locked || this.animating)
                return pos;

            if (this.options.wrap != 'circular')
                i = i < 1 ? 1 : (this.options.size && i > this.options.size ? this.options.size : i);

            var back = this.first > i;

            // Create placeholders, new list width/height
            // and new list position
            var f = this.options.wrap != 'circular' && this.first <= 1 ? 1 : this.first;
            var c = back ? this.get(f) : this.get(this.last);
            var j = back ? f : f - 1;
            var e = null, l = 0, p = false, d = 0, g;

            while (back ? --j >= i : ++j < i) {
                e = this.get(j);
                p = !e.length;
                if (e.length == 0) {
                    e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));
                    c[back ? 'before' : 'after' ](e);

                    if (this.first != null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) {
                        g = this.get(this.index(j));
                        if (g.length)
                            e = this.add(j, g.clone(true));
                    }
                }

                c = e;
                d = this.dimension(e);

                if (p)
                    l += d;

                if (this.first != null && (this.options.wrap == 'circular' || (j >= 1 && (this.options.size == null || j <= this.options.size))))
                    pos = back ? pos + d : pos - d;
            }

            // Calculate visible items
            var clipping = this.clipping();
            var cache = [];
            var visible = 0, j = i, v = 0;
            var c = this.get(i - 1);

            while (++visible) {
                e = this.get(j);
                p = !e.length;
                if (e.length == 0) {
                    e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));
                    // This should only happen on a next scroll
                    c.length == 0 ? this.list.prepend(e) : c[back ? 'before' : 'after' ](e);

                    if (this.first != null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) {
                        g = this.get(this.index(j));
                        if (g.length)
                            e = this.add(j, g.clone(true));
                    }
                }

                c = e;
                var d = this.dimension(e);
                if (d == 0) {
                    throw new Error('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');
                }

                if (this.options.wrap != 'circular' && this.options.size !== null && j > this.options.size)
                    cache.push(e);
                else if (p)
                    l += d;

                v += d;

                if (v >= clipping)
                    break;

                j++;
            }

             // Remove out-of-range placeholders
            for (var x = 0; x < cache.length; x++)
                cache[x].remove();

            // Resize list
            if (l > 0) {
                this.list.css(this.wh, this.dimension(this.list) + l + 'px');

                if (back) {
                    pos -= l;
                    this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - l + 'px');
                }
            }

            // Calculate first and last item
            var last = i + visible - 1;
            if (this.options.wrap != 'circular' && this.options.size && last > this.options.size)
                last = this.options.size;

            if (j > last) {
                visible = 0, j = last, v = 0;
                while (++visible) {
                    var e = this.get(j--);
                    if (!e.length)
                        break;
                    v += this.dimension(e);
                    if (v >= clipping)
                        break;
                }
            }

            var first = last - visible + 1;
            if (this.options.wrap != 'circular' && first < 1)
                first = 1;

            if (this.inTail && back) {
                pos += this.tail;
                this.inTail = false;
            }

            this.tail = null;
            if (this.options.wrap != 'circular' && last == this.options.size && (last - visible + 1) >= 1) {
                var m = $jc.margin(this.get(last), !this.options.vertical ? 'marginRight' : 'marginBottom');
                if ((v - m) > clipping)
                    this.tail = v - clipping - m;
            }

            // Adjust position
            while (i-- > first)
                pos += this.dimension(this.get(i));

            // Save visible item range
            this.prevFirst = this.first;
            this.prevLast  = this.last;
            this.first     = first;
            this.last      = last;

            return pos;
        },

        /**
         * Animates the carousel to a certain position.
         *
         * @method animate
         * @return undefined
         * @param p {Number} Position to scroll to.
         * @param a {Boolean} Flag indicating whether to perform animation.
         */
        animate: function(p, a) {
            if (this.locked || this.animating)
                return;

            this.animating = true;

            var self = this;
            var scrolled = function() {
                self.animating = false;

                if (p == 0)
                    self.list.css(self.lt,  0);

                if (self.options.wrap == 'circular' || self.options.wrap == 'both' || self.options.wrap == 'last' || self.options.size == null || self.last < self.options.size)
                    self.startAuto();

                self.buttons();
                self.notify('onAfterAnimation');

                // This function removes items which are appended automatically for circulation.
                // This prevents the list from growing infinitely.
                if (self.options.wrap == 'circular' && self.options.size !== null)
                    for (var i = self.prevFirst; i <= self.prevLast; i++)
                        if (i !== null && !(i >= self.first && i <= self.last) && (i < 1 || i > self.options.size))
                            self.remove(i);
            };

            this.notify('onBeforeAnimation');

            // Animate
            if (!this.options.animation || a == false) {
                this.list.css(this.lt, p + 'px');
                scrolled();
            } else {
                var o = !this.options.vertical ? (this.options.rtl ? {'right': p} : {'left': p}) : {'top': p};
                this.list.animate(o, this.options.animation, this.options.easing, scrolled);
            }
        },

        /**
         * Starts autoscrolling.
         *
         * @method auto
         * @return undefined
         * @param s {Number} Seconds to periodically autoscroll the content.
         */
        startAuto: function(s) {
            if (s != undefined)
                this.options.auto = s;

            if (this.options.auto == 0)
                return this.stopAuto();

            if (this.timer != null)
                return;

            var self = this;
            this.timer = setTimeout(function() { self.next(); }, this.options.auto * 1000);
        },

        /**
         * Stops autoscrolling.
         *
         * @method stopAuto
         * @return undefined
         */
        stopAuto: function() {
            if (this.timer == null)
                return;

            clearTimeout(this.timer);
            this.timer = null;
        },

        /**
         * Sets the states of the prev/next buttons.
         *
         * @method buttons
         * @return undefined
         */
        buttons: function(n, p) {
            if (n == undefined || n == null) {
                var n = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'first') || this.options.size == null || this.last < this.options.size);
                if (!this.locked && (!this.options.wrap || this.options.wrap == 'first') && this.options.size != null && this.last >= this.options.size)
                    n = this.tail != null && !this.inTail;
            }

            if (p == undefined || p == null) {
                var p = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'last') || this.first > 1);
                if (!this.locked && (!this.options.wrap || this.options.wrap == 'last') && this.options.size != null && this.first == 1)
                    p = this.tail != null && this.inTail;
            }

            var self = this;

            this.buttonNext[n ? 'bind' : 'unbind'](this.options.buttonNextEvent + '.jcarousel', this.funcNext)[n ? 'removeClass' : 'addClass'](this.className('jcarousel-next-disabled')).attr('disabled', n ? false : true);
            this.buttonPrev[p ? 'bind' : 'unbind'](this.options.buttonPrevEvent + '.jcarousel', this.funcPrev)[p ? 'removeClass' : 'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled', p ? false : true);

            if (this.options.buttonNextCallback != null && this.buttonNext.data('jcarouselstate') != n) {
                this.buttonNext.each(function() { self.options.buttonNextCallback(self, this, n); }).data('jcarouselstate', n);
            }

            if (this.options.buttonPrevCallback != null && (this.buttonPrev.data('jcarouselstate') != p)) {
                this.buttonPrev.each(function() { self.options.buttonPrevCallback(self, this, p); }).data('jcarouselstate', p);
            }
        },

        /**
         * Notify callback of a specified event.
         *
         * @method notify
         * @return undefined
         * @param evt {String} The event name
         */
        notify: function(evt) {
            var state = this.prevFirst == null ? 'init' : (this.prevFirst < this.first ? 'next' : 'prev');

            // Load items
            this.callback('itemLoadCallback', evt, state);

            if (this.prevFirst !== this.first) {
                this.callback('itemFirstInCallback', evt, state, this.first);
                this.callback('itemFirstOutCallback', evt, state, this.prevFirst);
            }

            if (this.prevLast !== this.last) {
                this.callback('itemLastInCallback', evt, state, this.last);
                this.callback('itemLastOutCallback', evt, state, this.prevLast);
            }

            this.callback('itemVisibleInCallback', evt, state, this.first, this.last, this.prevFirst, this.prevLast);
            this.callback('itemVisibleOutCallback', evt, state, this.prevFirst, this.prevLast, this.first, this.last);
        },

        callback: function(cb, evt, state, i1, i2, i3, i4) {
            if (this.options[cb] == undefined || (typeof this.options[cb] != 'object' && evt != 'onAfterAnimation'))
                return;

            var callback = typeof this.options[cb] == 'object' ? this.options[cb][evt] : this.options[cb];

            if (!$.isFunction(callback))
                return;

            var self = this;

            if (i1 === undefined)
                callback(self, state, evt);
            else if (i2 === undefined)
                this.get(i1).each(function() { callback(self, this, i1, state, evt); });
            else {
                for (var i = i1; i <= i2; i++)
                    if (i !== null && !(i >= i3 && i <= i4))
                        this.get(i).each(function() { callback(self, this, i, state, evt); });
            }
        },

        create: function(i) {
            return this.format('<li></li>', i);
        },

        format: function(e, i) {
            var e = $(e), split = e.get(0).className.split(' ');
            for (var j = 0; j < split.length; j++) {
                if (split[j].indexOf('jcarousel-') != -1) {
                    e.removeClass(split[j]);
                }
            }
            e.addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-' + i)).css({
                'float': (this.options.rtl ? 'right' : 'left'),
                'list-style': 'none'
            }).attr('jcarouselindex', i);
            return e;
        },

        className: function(c) {
            return c + ' ' + c + (!this.options.vertical ? '-horizontal' : '-vertical');
        },

        dimension: function(e, d) {
            var el = e.jquery != undefined ? e[0] : e;

            var old = !this.options.vertical ?
                (el.offsetWidth || $jc.intval(this.options.itemFallbackDimension)) + $jc.margin(el, 'marginLeft') + $jc.margin(el, 'marginRight') :
                (el.offsetHeight || $jc.intval(this.options.itemFallbackDimension)) + $jc.margin(el, 'marginTop') + $jc.margin(el, 'marginBottom');

            if (d == undefined || old == d)
                return old;

            var w = !this.options.vertical ?
                d - $jc.margin(el, 'marginLeft') - $jc.margin(el, 'marginRight') :
                d - $jc.margin(el, 'marginTop') - $jc.margin(el, 'marginBottom');

            $(el).css(this.wh, w + 'px');

            return this.dimension(el);
        },

        clipping: function() {
            return !this.options.vertical ?
                this.clip[0].offsetWidth - $jc.intval(this.clip.css('borderLeftWidth')) - $jc.intval(this.clip.css('borderRightWidth')) :
                this.clip[0].offsetHeight - $jc.intval(this.clip.css('borderTopWidth')) - $jc.intval(this.clip.css('borderBottomWidth'));
        },

        index: function(i, s) {
            if (s == undefined)
                s = this.options.size;

            return Math.round((((i-1) / s) - Math.floor((i-1) / s)) * s) + 1;
        }
    });

    $jc.extend({
        /**
         * Gets/Sets the global default configuration properties.
         *
         * @method defaults
         * @return {Object}
         * @param d {Object} A set of key/value pairs to set as configuration properties.
         */
        defaults: function(d) {
            return $.extend(defaults, d || {});
        },

        margin: function(e, p) {
            if (!e)
                return 0;

            var el = e.jquery != undefined ? e[0] : e;

            if (p == 'marginRight' && $.browser.safari) {
                var old = {'display': 'block', 'float': 'none', 'width': 'auto'}, oWidth, oWidth2;

                $.swap(el, old, function() { oWidth = el.offsetWidth; });

                old['marginRight'] = 0;
                $.swap(el, old, function() { oWidth2 = el.offsetWidth; });

                return oWidth2 - oWidth;
            }

            return $jc.intval($.css(el, p));
        },

        intval: function(v) {
            v = parseInt(v);
            return isNaN(v) ? 0 : v;
        }
    });

})(jQuery);
