if(/MSIE/.test(navigator.userAgent)) {
	
		t = $('nav').firstChild.getElementsByTagName('ul');
		for(i=0; i<t.length; i++) {
		
			myLi = t[i].parentNode;
			myLi.onmouseover = function() { this.className = 'hover'; }
			myLi.onmouseout = function() { this.className = ''; }
		
		}
		
	}