/*
------------------------------------------------------------------------
MENU SCRIPT
------------------------------------------------------------------------

Updated:    January 7 2008

*/

var menuscript={
        disabletablinks: false, ////Disable hyperlinks in 1st level tabs with sub contents (true or false)?
        currentpageurl: window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, ""), //get current page url (minus hostname, ie: http://www.quommunication.com/news)

definemenu:function(tabid, dselected){
        this[tabid+"-menuitems"]=null
        this.addEvent(window, function(){menuscript.init(tabid, dselected)}, "load")
},

showsubmenu:function(tabid, targetitem){
        var menuitems=this[tabid+"-menuitems"]
 for (i=0; i<menuitems.length; i++){
                menuitems[i].className=""
                if (typeof menuitems[i].hasSubContent!="undefined")
                        document.getElementById(menuitems[i].getAttribute("rel")).style.display="none"
        }
        targetitem.className="current"
        if (typeof targetitem.hasSubContent!="undefined")
                document.getElementById(targetitem.getAttribute("rel")).style.display="block"
},

isSelected:function(menuurl){
        var menuurl=menuurl.replace("http://"+menuurl.hostname, "").replace(/^\//, "")
        return (menuscript.currentpageurl==menuurl)
},

addEvent: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)
},

init:function(tabid, dselected){
        var menuitems=document.getElementById(tabid).getElementsByTagName("a")
        this[tabid+"-menuitems"]=menuitems
        for (var x=0; x<menuitems.length; x++){
                if (menuitems[x].getAttribute("rel")){
                        this[tabid+"-menuitems"][x].hasSubContent=true
                        if (menuscript.disabletablinks)
                                menuitems[x].onclick=function(){return false}
                }
                else //for items without a submenu, add onMouseout effect
                        menuitems[x].onmouseout=function(){this.className=""}
                menuitems[x].onmouseover=function(){menuscript.showsubmenu(tabid, this)}
                if (dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[x].href)){
                        menuscript.showsubmenu(tabid, menuitems[x])
                        var setalready=true
                }
                else if (parseInt(dselected)==x)
                        menuscript.showsubmenu(tabid, menuitems[x])
        }
}
}