function IdeaCompare(maxCompareCount){this.MAX_COMPARE_PRODUCT_COUNT=maxCompareCount;this.infoGroupId=0;this.products=new Array();this.load();}
IdeaCompare.prototype.addToCompare=function(productElement){if(this.products.length==this.MAX_COMPARE_PRODUCT_COUNT){return false;}
pid=parseInt(productElement.getAttribute('pid'));groupId=parseInt(productElement.getAttribute('groupid'));if(isNaN(pid)||isNaN(groupId)||pid<=0||groupId<=0){return false;}
if(this.infoGroupId!=0&&groupId!=this.infoGroupId){return false;}
this.infoGroupId=groupId;for(var i=0;i<this.products.length;i++){if(this.products[i]==pid){return false;}}
this.products[this.products.length]=pid;this.updateCookie();this.updateComparePanel();}
IdeaCompare.prototype.hasProduct=function(productId){for(var i=0;i<this.products.length;i++){if(this.products[i]==productId){return true;}}
return false;}
IdeaCompare.prototype.updateComparePanel=function(){if(this.products.length!=0){var inputs=document.getElementsByTagName('input');var elementId='';for(var i=0;i<inputs.length;i++){pid=parseInt(inputs[i].getAttribute('pid'));groupId=parseInt(inputs[i].getAttribute('groupid'));if(isNaN(pid)||isNaN(groupId)||pid<=0||groupId<=0){continue;}
elementId=inputs[i].getAttribute('id');if(groupId!=this.infoGroupId){$(elementId).style.visibility='hidden';$(this.nextElementId($(elementId))).style.visibility='hidden';}
$(elementId).checked=this.hasProduct(pid);}}else{var inputs=document.getElementsByTagName('input');var elementId='';for(var i=0;i<inputs.length;i++){pid=parseInt(inputs[i].getAttribute('pid'));groupId=parseInt(inputs[i].getAttribute('groupid'));if(isNaN(pid)||isNaN(groupId)||pid<=0||groupId<=0){continue;}
elementId=inputs[i].getAttribute('id');if(groupId!=this.infoGroupId){$(elementId).style.visibility='visible';var nextId=this.nextElementId($(elementId));if(nextId){$(nextId).style.visibility='visible';}}
$(elementId).checked=this.hasProduct(pid);}}}
IdeaCompare.prototype.nextElementId=function(element){if(document.all){var parent=element.parentNode;var children=parent.childNodes;for(var i=0;i<children.length;i++){if(children[i]==element){if(i<children.length-2){return children[i+2].getAttribute('id');}
return false;}}
return false;}else{if(element.nextSibling==null){return false;}
return element.nextSibling.nextSibling.getAttribute('id');}}
IdeaCompare.prototype.removeFromCompare=function(productElement){var pid=parseInt(productElement.getAttribute('pid'));if(isNaN(pid)||pid<=0){return false;}
var index=0;while(index<this.products.length&&this.products[index]!=pid){index++;}
if(index<this.products.length){if(this.products.length>1){for(var i=index;i<this.products.length-1;i++){this.products[i]=this.products[i+1];}
this.products.length=this.products.length-1;}else{this.products=new Array();this.infoGroupId=0;}}
this.updateCookie();this.updateComparePanel();}
IdeaCompare.prototype.load=function(){this.products=this.getCookie('IdeaCompareProducts').split(',');this.infoGroupId=parseInt(this.getCookie('IdeaCompareGroupId').split(','));if(this.products.length>this.MAX_COMPARE_PRODUCT_COUNT||isNaN(this.infoGroupId)||this.infoGroupId<=0){this.products=new Array();this.infoGroupId=0;}}
IdeaCompare.prototype.updateCookie=function(){this.setCookie('IdeaCompareProducts',this.products.join(','));this.setCookie('IdeaCompareGroupId',this.infoGroupId);}
IdeaCompare.prototype.getCookie=function(name){if(document.cookie.length>0)
{c_start=document.cookie.indexOf(name+"=");if(c_start!=-1)
{c_start=c_start+name.length+1;c_end=document.cookie.indexOf(";",c_start);if(c_end==-1)c_end=document.cookie.length;return unescape(document.cookie.substring(c_start,c_end));}}
return"";}
IdeaCompare.prototype.setCookie=function(name,value){var date=new Date();date.setTime(date.getTime()+(365*24*60*60*1000));document.cookie=name+'='+value+'; expires='+date.toGMTString()+'; path=/';}