var IE = (window.navigator.systemLanguage && !window.navigator.language) ? 1 : 0;
function activateIeMenuFix() {
	var uls = document.getElementsByTagName('ul');				// all lists
	for( var i = 0; i < uls.length; i++) {			
		var lis = uls[i].getElementsByTagName('li');			// all list-items in list
		for(var j = 0; j < lis.length; j++) {
			if(lis[j].getElementsByTagName('ul').length > 0) {	// if list-item contains list
				lis[j].onmouseover = function()	{
					this.className = 'hoverOn';
					this.lastChild.style.display = 'block';
				}
				lis[j].onmouseout = function() {
					this.className = 'hoverOff';
					this.lastChild.style.display = 'none';
				}
			} else {						// if list-item contains no list
				lis[j].onmouseover = function() { this.className = 'hoverOn'; }
				lis[j].onmouseout = function() { this.className = 'hoverOff'; }
			}
		}
	}
}
if(IE) window.onload = activateIeMenuFix;