var persisteduls=new Object()
var ddtreemenu=new Object()

ddtreemenu.closefolder="submenu" //set image path to "closed" folder image
ddtreemenu.openfolder="submenusel" //set image path to "open" folder image

//////////No need to edit beyond here///////////////////////////

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){ //if enable persist feature
var durationdays=(typeof persistdays=="undefined")? 1 : parseInt(persistdays)
ddtreemenu.dotask(window, function(){ddtreemenu.rememberstate(treeid, durationdays)}, "unload") //save opened UL indexes on body unload
}
}

ddtreemenu.buildSubTree=function(treeid, ulelement, index){
ulelement.parentNode.className="submenu"
if (typeof persisteduls[treeid]=="object"){ //if cookie exists (persisteduls[treeid] is an array versus "" string)
if (ddtreemenu.searcharray(persisteduls[treeid], index)){
ulelement.setAttribute("rel", "open")
ulelement.style.display="block"
ulelement.parentNode.className=ddtreemenu.openfolder
}
else
ulelement.setAttribute("rel", "closed")
} //end cookie persist code
else if (ulelement.getAttribute("rel")==null || ulelement.getAttribute("rel")==false) //if no cookie and UL has NO rel attribute explicted added by user
ulelement.setAttribute("rel", "closed")
else if (ulelement.getAttribute("rel")=="open") //else if no cookie and this UL has an explicit rel value of "open"
ddtreemenu.expandSubTree(treeid, ulelement) //expand this UL plus all parent ULs (so the most inner UL is revealed!)
ulelement.parentNode.onclick=function(e){
var submenu=this.getElementsByTagName("ul")[0]
if (submenu.getAttribute("rel")=="closed"){
//Set New Document Title
var oldTitle = document.title.split("-");
var StrippedTitle = stripHTML(this.getElementsByTagName("span")[0].innerHTML);
document.title = oldTitle[0] + " - " + StrippedTitle;
if(this.parentNode.parentNode.parentNode.parentNode.getElementsByTagName("td")[0]) {
ddtreemenu.flatten('treemenu', 'contact')
} else {
for(i=0;i<this.parentNode.getElementsByTagName("ul").length;i++) {
this.parentNode.getElementsByTagName("ul")[i].style.display="none"
this.parentNode.getElementsByTagName("ul")[i].setAttribute("rel", "closed")
this.parentNode.getElementsByTagName("ul")[i].parentNode.className=ddtreemenu.closefolder
}
}
//for(i=1;i<2;i++) {
//alert(this.parentNode.parentNode.getElementsByTagName("ul")[i].innerHTML);
//this.parentNode.parentNode.getElementsByTagName("ul")[i].setAttribute("rel", "open")
//}
var pageid=this.getElementsByTagName("span")[0].id
pageid = pageid.replace('g','')
GetPageData(pageid)
submenu.style.display="block"
submenu.setAttribute("rel", "open")



ulelement.parentNode.className=ddtreemenu.openfolder
for(i=0;i<document.getElementsByClassName('butactive').length;i++) {
	document.getElementsByClassName('butactive')[i].className = 'but'
}
for(i=0;i<document.getElementsByClassName('selected').length;i++) {
	document.getElementsByClassName('selected')[i].className = 'deselected'
}
}
else if (submenu.getAttribute("rel")=="open"){
submenu.style.display="none"
submenu.setAttribute("rel", "closed")
ulelement.parentNode.className=ddtreemenu.closefolder
}
ddtreemenu.preventpropagate(e)
}
ulelement.onclick=function(e){
ddtreemenu.preventpropagate(e)
}
}

ddtreemenu.expandSubTree=function(treeid, ulelement){ //expand a UL element and any of its parent ULs
var rootnode=document.getElementById(treeid)
var currentnode=ulelement
currentnode.style.display="block"
currentnode.parentNode.className=ddtreemenu.openfolder
while (currentnode!=rootnode){
if (currentnode.tagName=="UL"){ //if parent node is a UL, expand it too
currentnode.style.display="block"
currentnode.setAttribute("rel", "open") //indicate it's open
currentnode.parentNode.className=ddtreemenu.openfolder
}
currentnode=currentnode.parentNode
}
}

ddtreemenu.flatten=function(treeid, action){ //expand or contract all UL elements
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.className=(action=="expand")? ddtreemenu.openfolder : ddtreemenu.closefolder
}
}

ddtreemenu.rememberstate=function(treeid, durationdays){ //store index of opened ULs relative to other ULs in Tree into cookie
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 //save the index of the opened UL (relative to the entire list of ULs) as an array element
}
if (openuls.length==0) //if there are no opened ULs to save/persist
openuls[0]="none open" //set array value to string to simply indicate all ULs should persist with state being closed
ddtreemenu.setCookie(treeid, openuls.join(","), durationdays) //populate cookie with value treeid=1,2,3 etc (where 1,2... are the indexes of the opened ULs)
}

////A few utility functions below//////////////////////

ddtreemenu.getCookie=function(Name){ //get cookie value
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return ""
}

ddtreemenu.setCookie=function(name, value, days){ //set cookei value
var expireDate = new Date()
//set "expstring" to either future or past date, to set or delete cookie, respectively
var expstring=expireDate.setDate(expireDate.getDate()+parseInt(days))
document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/";
}

ddtreemenu.searcharray=function(thearray, value){ //searches an array for the entered value. If found, delete value from array
var isfound=false
for (var i=0; i<thearray.length; i++){
if (thearray[i]==value){
isfound=true
thearray.shift() //delete this element from array for efficiency sake
break
}
}
return isfound
}

ddtreemenu.preventpropagate=function(e){ //prevent action from bubbling upwards
if (typeof e!="undefined")
e.stopPropagation()
else
event.cancelBubble=true
}

ddtreemenu.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false)
else if (target.attachEvent)
target.attachEvent(tasktype, functionref)
}

function makeAjaxRequest() {
	var http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
	http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) {
    http_request.overrideMimeType('text/xml'); // Фиксиране на някои проблеми
    }
	}
	else if (window.ActiveXObject) { // IE
    try {
    http_request = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
    try {
    http_request = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (e) {}
    }
	}
	if (!http_request) {
	alert('Възникна проблем при създаването на XMLHTTP връзка');
	return false;
	}
	return http_request;
}

function GetPageData(group) {
		document.getElementById('BodyInfo').innerHTML = '<div class="loader"><img src="img/loader.gif"></div>';
		var http_request = makeAjaxRequest();
		var rand_no = Math.random();
		var params = 'group=' + group;
		var url = 'PageData.php?rand=' + rand_no;
		http_request.open('POST', url, true);
		http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		http_request.setRequestHeader("Content-length", params.length);
		http_request.setRequestHeader("Connection", "close")
		http_request.onreadystatechange = function() { GetPageDataResponse(http_request); };
		http_request.send(params);
}

function GetPageDataResponse(http_request) {
	if (http_request.readyState == 4 || http_request.readyState == 'complete') { // Проверка...
	if (http_request.status == 200) { // Втора проверка...
		document.getElementById('BodyInfo').innerHTML = http_request.responseText;
	}
	}
}

function openElementGroup(id,pid) {
ddtreemenu.flatten('treemenu', 'contact');
document.getElementById('g'+id).parentNode.parentNode.parentNode.getElementsByTagName("ul")[0].setAttribute("rel", "open");
document.getElementById('g'+id).parentNode.getElementsByTagName("ul")[0].setAttribute("rel", "open");
document.location='index.php?id='+pid;
}

function writeRes(data) {
	document.getElementById('docIconsRes').innerHTML = data;
}

var t;
function top() {
  if (document.body.scrollTop!=0 || document.documentElement.scrollTop!=0){
    window.scrollBy(0,-50);
    t=setTimeout('top()',10);
  }
  else clearTimeout(t);
}

document.getElementsByClassName = function(cl) {
var retnode = [];
var myclass = new RegExp('\\b'+cl+'\\b');
var elem = this.getElementsByTagName('*');
for (var i = 0; i < elem.length; i++) {
var classes = elem[i].className;
if (myclass.test(classes)) retnode.push(elem[i]);
}
return retnode;
}

function stripHTML(oldString) {
   var newString = oldString.replace(/(<([^>]+)>)/ig,"");
   newString = newString.replace(/(\'([^>]+)>)/ig,"");
   return newString;
}