// JScript File
nav_main = function() {
	if (document.all&&document.getElementById) {
		if (document.getElementById("nav_main")) {
			navRoot = document.getElementById("nav_main");
			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", "");
					}
				}
			}
		}
	}
}