sfHover = function() 
{    
	var sfEls = document.getElementById("navbar").getElementsByTagName("li");    
	
	for (var i=0; i<sfEls.length; i++) 
	{        
		sfEls[i].onmouseover=function() 
		{            
			this.className+=" hover";        
		}
		
		sfEls[i].onmouseout=function() 
		{
			this.className=this.className.replace(new RegExp(" hover\\b"), "");        
		}    
	}
	
	if (window.attachEvent) window.attachEvent("onload", sfHover);
}