function menu_onMouseOver (element) {
    for (i=0; i<=document.getElementById('nav_ul').childNodes.length; i++)
        {
            try {
            if (document.getElementById('nav_ul').childNodes[i].childNodes[1]) {
                     if (document.getElementById('nav_ul').childNodes[i].childNodes[1]==element) {
                         try {document.getElementById('nav_ul').childNodes[i].childNodes[1].style.left=0;} catch (err) {}
                     }
                     else {
                         try{document.getElementById('nav_ul').childNodes[i].childNodes[1].style.left=-9000;} catch (err) {}
                     }
             
            }
            } catch (err) {return false}
        }
}