startList = function() 
{
	if (document.all && document.getElementById) 
	{
		var navRoot = new Array();
		var menu = new Array();
		var hijosMenu = new Array();
		var obtenerUL = new Array();
		
		menu = document.getElementById("menu");
		hijosMenu = menu.childNodes;
		
		for(i = 0; i < hijosMenu.length; i++)
		{	
			if(hijosMenu[i].nodeName == "DIV")
			{
				obtenerUL = hijosMenu[i].childNodes;

				for(j = 0; j < obtenerUL.length; j++)
				{		
					if(obtenerUL[j].nodeName == "UL")
						navRoot = obtenerUL[j];
				}
			}
		}
				
		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 = "";
				}
				
				nodeSec = node.childNodes;
									
				for(j = 0; j < nodeSec.length; j++)
				{						
					if (nodeSec[j].nodeName == "UL")
					{		
						nodeTer = nodeSec[j].childNodes;
						
						for(k = 0; k < nodeTer.length; k++)
						{
							if (nodeTer[k].nodeName == "LI")
							{
								nodeTer[k].onmouseover = function() 
								{
									this.className = " over";
								}
								
								nodeTer[k].onmouseout = function() 
								{
									this.className = "";
								}
							}
						}
					}	
				}
			}
		}
	}
}

window.onload = startList;