http://www.vhlibrary.org/menu.js

1
2
3//Nested Side Bar Menu (Mar 20th, 09)
4//By Dynamic Drive: http://www.dynamicdrive.com/style/
5
6var menuids=["sidebarmenu1"] //Enter id(s) of each Side Bar Menu's main UL, separated by commas
7
8function initsidebarmenu(){
9for (var i=0; i<menuids.length; i++){
10  var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
11    for (var t=0; t<ultags.length; t++){
12    ultags[t].parentNode.getElementsByTagName("a")[0].className+=" subfolderstyle"
13  if (ultags[t].parentNode.parentNode.id==menuids[i]) //if this is a first level submenu
14   ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px" //dynamically position first level submenus to be width of main menu item
15  else //else if this is a sub level submenu (ul)
16    ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
17    ultags[t].parentNode.onmouseover=function(){
18    this.getElementsByTagName("ul")[0].style.display="block"
19    }
20    ultags[t].parentNode.onmouseout=function(){
21    this.getElementsByTagName("ul")[0].style.display="none"
22    }
23    }
24  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
25  ultags[t].style.visibility="visible"
26  ultags[t].style.display="none"
27  }
28  }
29}
30
31if (window.addEventListener)
32window.addEventListener("load", initsidebarmenu, false)
33else if (window.attachEvent)
34window.attachEvent("onload", initsidebarmenu)
35
36