function IEhover() {
	//see http://alistapart.com/articles/horizdropdowns
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		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", "");
				}

			} //end if li
		} //end for
	} //end if
} //end function

function init() {
	IEhover();
}

window.onload = init;