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

ddtreemenu.closefolder="closed.gif" //set image path to "closed" folder image
ddtreemenu.openfolder="open.gif" //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.style.backgroundImage="url("+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"){
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){ //expand a UL element and any of its parent ULs
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"){ //if parent node is a UL, expand it too
currentnode.style.display="block"
currentnode.setAttribute("rel", "open") //indicate it's open
currentnode.parentNode.style.backgroundImage="url("+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.style.backgroundImage=(action=="expand")? "url("+ddtreemenu.openfolder+")" : "url("+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 getData(){
var XMLHttpRequestObject = false;
var xmlDoc;
  if (window.XMLHttpRequest) {
    XMLHttpRequestObject = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    xmlDoc = new ActiveXObject("Microsoft.XMLDOM");

  }

  if(xmlDoc) {

    xmlDoc.async="false";
    xmlDoc.load("jobs.xml");

    displayJobs(xmlDoc);
  }
}
function displayJobs(xmldoc){
  var jobsNode;
  var jobNodes=new Array();
  var jobChildNodes;
  var roleChildNodes;
  var skillChildNodes;
  var jobdesc=new Array("Title","Technology","Experience","Qualification","Roles and Responsibilities","SkillSet");
  var displayText;

  jobsNode = xmldoc.documentElement;
  jobNodes = jobsNode.childNodes;
  displayText="<ul>";
  for(i=0;i<jobNodes.length;i++){
    
    jobChildNodes=new Array();
    jobChildNodes=jobNodes[i].childNodes;
    displayText=displayText+"<li>";	
    for(j=0;j<jobChildNodes.length;j++){
    	
	if(j==0){
		
		displayText=displayText+"<li>&nbsp;&nbsp;<div align='left' class='sh1'>"+jobChildNodes[j].firstChild.nodeValue+"</div>";
		displayText=displayText+"<ul><li>";
	}
    	if(j<4 && j>0){
    		displayText=displayText+"<li><b>"+jobdesc[j]+": </b>"+jobChildNodes[j].firstChild.nodeValue+"<br><br></li>";
    	}
	if(j==4){
		roleChildNodes=new Array();
		roleChildNodes=jobChildNodes[j].childNodes;
		displayText=displayText+"<li><b>"+jobdesc[j]+": </b><br><br></li>";
		for(k=0;k<roleChildNodes.length;k++){
			displayText=displayText+"<li><img src='images/innerarrwo.gif' width='12' height='15'>"+roleChildNodes[k].firstChild.nodeValue+"<br><br></li>";
		}

	}
	if(j==5){
		skillChildNodes=new Array();
		skillChildNodes=jobChildNodes[j].childNodes;
		displayText=displayText+"<li><b>"+jobdesc[j]+": </b><br><br></li>";
		for(k=0;k<roleChildNodes.length;k++){
			displayText=displayText+"<li><img src='images/innerarrwo.gif' width='12' height='15'>"+roleChildNodes[k].firstChild.nodeValue+"<br><br></li>";
		}
		
	}
	
    }
    displayText=displayText+"</li></ul></li>";
  }
  displayText=displayText+"</ul>";
  var target = document.getElementById("targetDiv");
  target.innerHTML=displayText;
}
