startList = function() 
{
    if(document.all&&document.getElementById) 
    {
        
        navRoot = document.getElementById("menu").getElementsByTagName("UL");
        
        for(i=0; i < navRoot.length; i++) 
        {
            for (k=0; k < navRoot[i].childNodes.length; k++) 
            {
                node = navRoot[i].childNodes[k];

                if(node.nodeName == "LI") 
                {
                    node.onmouseover=function() {
                        this.className+=" over";
                    }
                    node.onmouseout=function() {
                        this.className=this.className.replace(" over", "");
                    }
                }
            }
        }
    }
}
window.onload=startList;


function abrir(URL) {
  var width = 700;
  var height = 500;
  var left = 100;
  var top = 50;

  window.open(URL,'janela', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=yes, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');
}