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