function initHorizontalNav() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("quaker-mainnav");
		for (i=0; i < navRoot.childNodes.length; i++) {
			node1 = navRoot.childNodes[i];
			if (node1.nodeName == "DIV") {
			
				node1.onmouseover=function() {
					this.className = 'sub1-over';
				}
				node1.onmouseout=function() {
					this.className = '';
				}
				
				for (j=0; j < node1.childNodes.length; j++) {
					node2 = node1.childNodes[j];
					if(node2.nodeName == 'UL' ){
					
						for (k=0; k < node2.childNodes.length; k++) {
							node3 = node2.childNodes[k];
							if(node3.nodeName == 'LI' ){
								
								node3.onmouseover=function() {
									this.className = 'sub2-over';
								}
								node3.onmouseout=function() {
									this.className = '';
								}
							}
						}
					}
				}
			}
		}
	}
}