startList = function() { 
	if (document.all&&document.getElementById) { 
		navRoot = document.getElementById("mainnavdropdown"); 
		for (i=0; i<navRoot.childNodes.length; i++) { 
			node = navRoot.childNodes[i]; 
			if (node.nodeName=="LI") { 
				node.onmouseover=function() { 
					this.className+=" over"; 
				} 
				node.onmouseout=function() { 
					this.className=this.className.replace(" over", ""); 
				} 
			} 
		} 
	} 
} 
window.onload = function() {
	//initImage();
	startList();
}