//Nested Side Bar Menu (Mar 20th, 09)
//By Dynamic Drive: http://www.dynamicdrive.com/style/

var menuids=["sidebarmenu0","sidebarmenu1","sidebarmenu2","sidebarmenu3","sidebarmenu4"] //Enter id(s) of each Side Bar Menu's main UL, separated by commas

function initsidebarmenu(){

    for (var i=0; i<menuids.length; i++){
        var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
        for (var t=0; t<ultags.length; t++){           
            if(i<2){
                ultags[t].parentNode.getElementsByTagName("a")[0].className+=" subfolderstyle"
            }else {
                ultags[t].parentNode.getElementsByTagName("a")[0].className+=" subfolderstyle_right"
            }
            if (ultags[t].parentNode.parentNode.id==menuids[i]) {//if this is a first level submenu
                if(i<2){
                    ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px" //dynamically position first level submenus to be width of main menu item
                } else {
                    ultags[t].style.left=-ultags[t].parentNode.offsetWidth+"px" //dynamically position first level submenus to be width of main menu item
                }
            } else {//else if this is a sub level submenu (ul)
                if(i<2){
                    ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
                } else {
                    ultags[t].style.left=-ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
                }
            }
            ultags[t].parentNode.onmouseover=function(){
                this.getElementsByTagName("ul")[0].style.display="block"
            }
            ultags[t].parentNode.onmouseout=function(){
                this.getElementsByTagName("ul")[0].style.display="none"
            }
        }
        for (var tt=ultags.length-1; tt>-1; tt--){ //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
            ultags[tt].style.visibility="visible"
            ultags[tt].style.display="none"
        }
    }
    document.getElementById('maincontainer').style.visibility="visible";
}

if (window.addEventListener)
    window.addEventListener("load", initsidebarmenu, false)
else if (window.attachEvent)
    window.attachEvent("onload", initsidebarmenu)