function enable_menues_for_ie()
{
 if (document.all)
 {
 uls = document.getElementsByTagName ('UL');

 for(i = 0; i < uls.length; i++)
 {
 if (uls[i].className == 'navi')
 {
 var lis = uls[i].getElementsByTagName('li');  

 for (j = 0; j < lis.length ; j++)
 {
 if(lis[j].lastChild.tagName == 'UL')
 {
 lis[j].onmouseover = function() { this.lastChild.style.display = 'block'; }
 lis[j].onmouseout = function() { this.lastChild.style.display = 'none'; }
 }
 }
 }
 }
 }
}
window.onload = enable_menues_for_ie;