/***********************************************
* Simple Tree Menu- (c) Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/
var persisteduls=new Object();var ddtreemenu=new Object();ddtreemenu.closefolder="images/expand_yes.gif";ddtreemenu.openfolder="images/contract_yes.gif";ddtreemenu.createTree=function(treeid,enablepersist,persistdays){var ultags=document.getElementById(treeid).getElementsByTagName("ul");if(typeof persisteduls[treeid]=="undefined"){persisteduls[treeid]=(enablepersist==true&&ddtreemenu.getCookie(treeid)!="")?ddtreemenu.getCookie(treeid).split(","):""}for(var i=0;i<ultags.length;i++){ddtreemenu.buildSubTree(treeid,ultags[i],i)}if(enablepersist==true){var durationdays=(typeof persistdays=="undefined")?1:parseInt(persistdays);ddtreemenu.dotask(window,function(){ddtreemenu.rememberstate(treeid,durationdays)},"unload")}};ddtreemenu.buildSubTree=function(treeid,ulelement,index){ulelement.parentNode.className="submenu";if(typeof persisteduls[treeid]=="object"){if(ddtreemenu.searcharray(persisteduls[treeid],index)){ulelement.setAttribute("rel","open");ulelement.style.display="block";ulelement.parentNode.style.backgroundImage="url("+ddtreemenu.openfolder+")"}else{ulelement.setAttribute("rel","closed")}}else{if(ulelement.getAttribute("rel")==null||ulelement.getAttribute("rel")==false){ulelement.setAttribute("rel","closed")}else{if(ulelement.getAttribute("rel")=="open"){ddtreemenu.expandSubTree(treeid,ulelement)}}}ulelement.parentNode.onclick=function(e){var submenu=this.getElementsByTagName("ul")[0];if(submenu.getAttribute("rel")=="closed"){submenu.style.display="block";submenu.setAttribute("rel","open");ulelement.parentNode.style.backgroundImage="url("+ddtreemenu.openfolder+")"}else{if(submenu.getAttribute("rel")=="open"){submenu.style.display="none";submenu.setAttribute("rel","closed");ulelement.parentNode.style.backgroundImage="url("+ddtreemenu.closefolder+")"}}ddtreemenu.preventpropagate(e)};ulelement.onclick=function(e){ddtreemenu.preventpropagate(e)}};ddtreemenu.expandSubTree=function(treeid,ulelement){var rootnode=document.getElementById(treeid);var currentnode=ulelement;currentnode.style.display="block";currentnode.parentNode.style.backgroundImage="url("+ddtreemenu.openfolder+")";while(currentnode!=rootnode){if(currentnode.tagName=="UL"){currentnode.style.display="block";currentnode.setAttribute("rel","open");currentnode.parentNode.style.backgroundImage="url("+ddtreemenu.openfolder+")"}currentnode=currentnode.parentNode}};ddtreemenu.flatten=function(treeid,action){var ultags=document.getElementById(treeid).getElementsByTagName("ul");for(var i=0;i<ultags.length;i++){ultags[i].style.display=(action=="expand")?"block":"none";var relvalue=(action=="expand")?"open":"closed";ultags[i].setAttribute("rel",relvalue);ultags[i].parentNode.style.backgroundImage=(action=="expand")?"url("+ddtreemenu.openfolder+")":"url("+ddtreemenu.closefolder+")"}};ddtreemenu.rememberstate=function(treeid,durationdays){var ultags=document.getElementById(treeid).getElementsByTagName("ul");var openuls=new Array();for(var i=0;i<ultags.length;i++){if(ultags[i].getAttribute("rel")=="open"){openuls[openuls.length]=i}}if(openuls.length==0){openuls[0]="none open"}ddtreemenu.setCookie(treeid,openuls.join(","),durationdays)};ddtreemenu.getCookie=function(Name){var re=new RegExp(Name+"=[^;]+","i");if(document.cookie.match(re)){return document.cookie.match(re)[0].split("=")[1]}return""};ddtreemenu.setCookie=function(name,value,days){var expireDate=new Date();var expstring=expireDate.setDate(expireDate.getDate()+parseInt(days));document.cookie=name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/"};ddtreemenu.searcharray=function(thearray,value){var isfound=false;for(var i=0;i<thearray.length;i++){if(thearray[i]==value){isfound=true;thearray.shift();break}}return isfound};ddtreemenu.preventpropagate=function(e){if(typeof e!="undefined"){e.stopPropagation()}else{event.cancelBubble=true}};ddtreemenu.dotask=function(target,functionref,tasktype){var tasktype=(window.addEventListener)?tasktype:"on"+tasktype;if(target.addEventListener){target.addEventListener(tasktype,functionref,false)}else{if(target.attachEvent){target.attachEvent(tasktype,functionref)}}};