var time = 500;
	var timeout;
	var timeout1;
	
	function hider(){
		  timeout =	setTimeout('hider1()',time);
	}
	
	function hider1(){
		document.getElementById('menidrop2').style.display = 'none';
		document.getElementById('menidrop3').style.display = 'none';
		document.getElementById('menidrop4').style.display = 'none';
	}
	
	function showSub2(){
		clearTimeout(timeout);
		document.getElementById('menidrop2').style.display = 'block';
		document.getElementById('menidrop3').style.display = 'none';
		document.getElementById('menidrop4').style.display = 'none';
				document.getElementById('menidrop2').onmouseover = function(){
						clearTimeout(timeout);
				}
				document.getElementById('menidrop2').onmouseout = function(){
						timeout =	setTimeout('hider1()',time);
				}
	}
	
	function showSub3(){
		clearTimeout(timeout);
		document.getElementById('menidrop2').style.display = 'none';
		document.getElementById('menidrop3').style.display = 'block';
		document.getElementById('menidrop4').style.display = 'none';
		document.getElementById('menidrop3').onmouseover = function(){
			clearTimeout(timeout);
		}
		document.getElementById('menidrop3').onmouseout = function(){
				timeout =	setTimeout('hider1()',time);
		}
	}
	
	function showSub4(){
		clearTimeout(timeout);
		document.getElementById('menidrop2').style.display = 'none';
		document.getElementById('menidrop3').style.display = 'none';
		document.getElementById('menidrop4').style.display = 'block';
		document.getElementById('menidrop4').onmouseover = function(){
			clearTimeout(timeout);
		}
		document.getElementById('menidrop4').onmouseout = function(){
				timeout =	setTimeout('hider1()',time);
		}
	}