function _ExpMenu()
   {
   if (navigator.appVersion.indexOf("MSIE") == - 1)
       {return;
       }
    var i, k, g, lg, r = /\s*hvr/, nn = '', c, cs = 'hvr', bv = 'menubar';
    for (i = 0;i < 10;i++)
       {g = document.getElementById(bv + nn);
        if (g)
           {lg = g.getElementsByTagName("LI");
            if (lg)
               {for (k = 0;k < lg.length;k++)
                   {
                   lg[k].onmouseover = function()
                       {c = this.className;
                        cl = (c) ? c + ' ' + cs: cs;
                        this.className = cl;
                       };
                   
                    lg[k].onmouseout = function()
                       {c = this.className;
                        this.className = (c) ? c.replace(r, ''): '';
                       };
                   }
               }
           }
        nn = i + 1;
       }
   }

window.onload = function(){_ExpMenu();};