function initNav()
{
	var navRoot = document.getElementById("top-nav");
	if(navRoot)
	{	
		var lis = navRoot.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++)
		{
			lis[i].onmouseover = function()
			{
				this.className += " hover";
									}
			lis[i].onmouseout = function()
			{
				this.className = this.className.replace(new RegExp("hover"),"");
			}
		}
	}
}

if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initNav);

function detectSafari(){ 
if (navigator.appVersion.indexOf("Safari") != -1) 
   document.body.className += " safari"; 
} 

if (window.addEventListener) 
   window.addEventListener("load", detectSafari, false);