var persis=new Object()
var tmnu=new Object()

tmnu.closefolder="closed.gif" 
tmnu.openfolder="open.gif" 


tmnu.createTree=function(treeid, enablepersist, persistdays){
var ultags=document.getElementById(treeid).getElementsByTagName("ul")
if (typeof persis[treeid]=="undefined")
persis[treeid]=(enablepersist==true && tmnu.getCookie(treeid)!="")? tmnu.getCookie(treeid).split(",") : ""
for (var i=0; i<ultags.length; i++)
tmnu.buildSubTree(treeid, ultags[i], i)
if (enablepersist==true){ 
var periods=(typeof persistdays=="undefined")? 1 : parseInt(persistdays)
tmnu.dotask(window, function(){tmnu.rememberstate(treeid, periods)}, "unload") 
}
}

tmnu.buildSubTree=function(treeid, ulelement, index){
ulelement.parentNode.className="submenu"
if (typeof persis[treeid]=="object"){ 
if (tmnu.searcharray(persis[treeid], index)){
ulelement.setAttribute("value1", "open")
ulelement.style.display="block"
ulelement.parentNode.style.backgroundImage="url("+tmnu.openfolder+")"
}
else
ulelement.setAttribute("value1", "closed")
} 
else if (ulelement.getAttribute("value1")==null || ulelement.getAttribute("value1")==false) ulelement.setAttribute("value1", "closed")
else if (ulelement.getAttribute("value1")=="open") 
tmnu.expandSubTree(treeid, ulelement) 
ulelement.parentNode.onclick=function(e){
var submenu=this.getElementsByTagName("ul")[0]
if (submenu.getAttribute("value1")=="closed"){
submenu.style.display="block"
submenu.setAttribute("value1", "open")
ulelement.parentNode.style.backgroundImage="url("+tmnu.openfolder+")"
}
else if (submenu.getAttribute("value1")=="open"){
submenu.style.display="none"
submenu.setAttribute("value1", "closed")
ulelement.parentNode.style.backgroundImage="url("+tmnu.closefolder+")"
}
tmnu.preventpropagate(e)
}
ulelement.onclick=function(e){
tmnu.preventpropagate(e)
}
}

tmnu.expandSubTree=function(treeid, ulelement){ 
var rootnode=document.getElementById(treeid)
var currentnode=ulelement
currentnode.style.display="block"
currentnode.parentNode.style.backgroundImage="url("+tmnu.openfolder+")"
while (currentnode!=rootnode){
if (currentnode.tagName=="UL"){ 
currentnode.style.display="block"
currentnode.setAttribute("value1", "open") 
currentnode.parentNode.style.backgroundImage="url("+tmnu.openfolder+")"
}
currentnode=currentnode.parentNode
}
}

tmnu.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 value1value=(action=="expand")? "open" : "closed"
ultags[i].setAttribute("value1", value1value)
ultags[i].parentNode.style.backgroundImage=(action=="expand")? "url("+tmnu.openfolder+")" : "url("+tmnu.closefolder+")"
}
}

tmnu.rememberstate=function(treeid, periods){ 
var ultags=document.getElementById(treeid).getElementsByTagName("ul")
var openuls=new Array()
for (var i=0; i<ultags.length; i++){
if (ultags[i].getAttribute("value1")=="open")
openuls[openuls.length]=i 
}
if (openuls.length==0) 
openuls[0]="none open" 
tmnu.setCookie(treeid, openuls.join(","), periods) }



tmnu.getCookie=function(Name){ 
var re=new RegExp(Name+"=[^;]+", "i"); 
if (document.cookie.match(re)) 
return document.cookie.match(re)[0].split("=")[1] 
return ""
}

tmnu.setCookie=function(name, value, days){ 
var outDated = new Date()
var expstring=outDated.setDate(outDated.getDate()+parseInt(days))
document.cookie = name+"="+value+"; expires="+outDated.toGMTString()+"; path=/";
}

tmnu.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
}

tmnu.preventpropagate=function(e){ 
if (typeof e!="undefined")
e.stopPropagation()
else
event.cancelBubble=true
}

tmnu.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)
}