YAHOO.util.Event.onDOMReady(function() {
	var ulList = YAHOO.util.Dom.getElementsByClassName("navigation", "UL", document.getElementById("navigation"));
	var sfEls = ulList[0].getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		// Add dropdown arrow
		var children = sfEls[i].getElementsByTagName("UL");
		if (children.length > 0) {
			var img = document.createElement('img');
			img.setAttribute('src','/Resources/images/dropdownArrow.png');
			img.setAttribute('alt','Dropdown arrow');
			
			// Find first element child (anchor)
			var grandChildren = sfEls[i].childNodes;
			for (var j=0; j<grandChildren.length; j++) {
				if (grandChildren[j].nodeType == 1) {
					grandChildren[j].appendChild(img);
					break;
				}
			}
		}
		
		// Add hover classes (for IE)
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
});