sfHover = function() { 
	var sfEls = document.getElementById("subnav").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"), ""); 
		} 
	} 
	// only apply rule for cart page
	var sPath = window.location.pathname;
	var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
	if (sPage == "cart.aspx") {
		var sfPay = document.getElementById("pnlPaypal").getElementsByTagName("form");
		for (var i=0; i<sfPay.length; i++) { 
			sfPay[i].onmouseover=function() { 
				this.className+=" sfhover"; 
			} 
		sfPay[i].onmouseout=function() { 
			this.className=this.className.replace(new RegExp(" sfhover\\b"), ""); 
			} 
		}
	}
} 

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