// JavaScript Document

sfHover = function() { 
	var top_nav = document.getElementById("top_nav");
	if (top_nav)
	{
		var sfEls = document.getElementById("top_nav").getElementsByTagName("LI"); 
		
		for (var i=0; i<sfEls.length; i++) { 
			
			sfEls[i].onmouseover=function() { 
				this.className+=" sfhover"; 
			} 
			
			
			sfEls[i].onmouseout=function() { 
				this.className=this.className.replace(new RegExp(" sfhover\\b"), ""); 
			} 
			
		} 
	}
} /*if (document.all&&document.getElementById) window.onload=sfHover;*/ 

if (window.attachEvent) window.attachEvent("onload", sfHover);