IEHover = function() {
	if (document.all&&document.getElementById) {
	navRoot = document.getElementById("event_continents");
		if(navRoot)
		{
			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", "");
					}
			   }
			}
		}
	}
}
addLoadEvent(IEHover);