// JavaScript Document

   function init() {
       // quit if this function has already been called
       if (arguments.callee.done) return;

       // flag this function so we don't do the same thing twice
       arguments.callee.done = true;

      if (document.all&&document.getElementById) 
		{
			navRoot = document.getElementById("nav");
			if(navRoot!=null)
			{
				for (i=0; i<navRoot.childNodes.length; i++)
				{
					node = navRoot.childNodes[i];
					if (node.nodeName=="LI")
					{
						node.onmouseover=function() {
							this.className+=" over";
						}
						node.onmouseout=function() {
							this.className=this.className.replace(" over", "");
						}
					}
				}
			}
		}
   };

   /* for Mozilla */
   if (document.addEventListener) {
       document.addEventListener("DOMContentLoaded", init, null);
   }
  

   /* for other browsers */
   window.onload = init;