hover = function() {
var nav = document.getElementById("menu");
if(nav){
var nodes = nav.getElementsByTagName("li")
for (var i=0; i<nodes.length; i++) {
nodes[i].onmouseover=function() {
this.className+=" hover";
}
nodes[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" hover\\b"), "");
}
}
}
}
if (window.attachEvent) window.attachEvent("onload", hover);

hover = function() {
var nav = document.getElementById("menu2");
if(nav){
var nodes = nav.getElementsByTagName("li")
for (var i=0; i<nodes.length; i++) {
nodes[i].onmouseover=function() {
this.className+=" hover";
}
nodes[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" hover\\b"), "");
}
}
}
}
if (window.attachEvent) window.attachEvent("onload", hover);