/**
 * @author Porta
 */
showmenu = function() {

        // code for IE
        if(!document.body.currentStyle) return;
        var subs = document.getElementsByName('submenu');
        for(var i=0; i<subs.length; i++) {
                var li = subs[i].parentNode;
                if(li && li.lastChild.style) {
                        li.onmouseover = function() {
                                this.lastChild.style.visibility = 'visible';
                        }
                        li.onmouseout = function() {
                                this.lastChild.style.visibility = 'hidden';
                        }
                }
        }
}
window.onload=showmenu;