var persisteduls=new Object()
var ddtreemenu=new Object()
ddtreemenu.closefolder="http://www.barnesvanze.com/architect/template_files/closed.gif"
ddtreemenu.openfolder="http://www.barnesvanze.com/architect/template_files/open.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)
}