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

var menuids=["sidebarmenu1"]; //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 (ultags[t].parentNode.getElementsByTagName("a")[0].className != "")
    	ultags[t].parentNode.getElementsByTagName("a")[0].className+=" subfolderstyle";
      else
    	ultags[t].parentNode.getElementsByTagName("a")[0].className="subfolderstyle";
      if (ultags[t].parentNode.parentNode.id==menuids[i]) //if this is a first level submenu
        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)
        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 t=ultags.length-1; t>-1; t--) { //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
      ultags[t].style.visibility="visible";
      ultags[t].style.display="none";
    }
  }
}

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