// css drop down menu

function getElement(objectName)
{
    if (document.getElementById) return document.getElementById(objectName);
    if (document.all) return document.all[objectName].style.display=value;
    return null;
}

sfHover = function() {
	if (getElement("Navigation")) {
		var sfEls = getElement("Navigation").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 (window.attachEvent) window.attachEvent("onload", sfHover);