ÿþvar persisteduls=new Object()

var ddtreemenu=new Object()

var lasttime

var id = 0



//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){

    if (id != 0)

      clearTimeout(id);

    id = window.setTimeout("onMouseOut('left_menu_root');", 10000000);

    var submenu=this.getElementsByTagName("ul")[0]

    if (submenu.getAttribute("rel")=="closed"){

      ddtreemenu.flatten(treeid, "contract")

      ddtreemenu.expandSubTree(treeid, submenu.parentNode)

      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="inline"

  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+")"

  }

//   for (var i=0; i<ultags.length; i++){

//     if (ultags[i].getAttribute("stat")=="current")

//       ddtreemenu.expandSubTree(treeid, ultags[i])

//   }

}



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 onMouseOut(treeid) {

  ddtreemenu.flatten(treeid, "contract")

  var ultags=document.getElementById(treeid).getElementsByTagName("ul");

  for (var i=0; i<ultags.length; i++){

    if (ultags[i].getAttribute("id")=="currentSubTree") {

      ddtreemenu.expandSubTree(treeid, ultags[i]);

    }



  }

  //ID = window.setTimeout("onMouseOut('left_menu_root');", 10000);

}





// ID = window.setTimeout("onMouseOut('left_menu_root');", 10000);

// function Update() {

//   counter++;

//   window.status="0ýÿ1ýÿ1ýÿ1ýÿ01ýÿ: " + counter;

//   document.form1.input1.value = "0ýÿ1ýÿ1ýÿ1ýÿ01ýÿ: " + counter;

//   //0ýÿ0001ýÿ000 001ýÿ00 1ýÿ0001ýÿ1ýÿ1ýÿ00 0001ýÿ00000

// }