startList = function() {
if (document.all&&document.getElementById) {
        navRoot = document.getElementById("mynav1"); 
        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", "");
                        }
                }
        }
        navRoot = document.getElementById("mynav2");
        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", "");
                        }
                }
        }
        navRoot = document.getElementById("mynav3");
        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;