startList = function() {
	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", "");
				}
			}
		}
	}
}
window.onload=startList;

function ShowOrHide(d1, d2) {
      if (d1 != '') DoDiv(d1);
      if (d2 != '') DoDiv(d2);
    }
    function DoDiv(id) {
      var item = null;
      if (document.getElementById) {
        item = document.getElementById(id);
      } else if (document.all){
        item = document.all[id];
      } else if (document.layers){
        item = document.layers[id];
      }
      if (!item) {
      }
      else if (item.style) {
        if (item.style.display == "none"){ item.style.display = ""; }
        else {item.style.display = "none"; }
      }else{ item.visibility = "show"; }
     }