var time = 500;
	var timeout;
	
	function hider(){
		  timeout =	setTimeout('hider1()',time);
	}
	
	function hider1(){
		document.getElementById('menidrop1').style.display = 'none';
		document.getElementById('menidrop2').style.display = 'none';
		document.getElementById('menidrop3').style.display = 'none';		
	}
	
	function showSub1(){
		clearTimeout(timeout);
		document.getElementById('menidrop1').style.display = 'block';
		document.getElementById('menidrop2').style.display = 'none';
		document.getElementById('menidrop3').style.display = 'none';		
				document.getElementById('menidrop1').onmouseover = function(){
						clearTimeout(timeout);
				}
				document.getElementById('menidrop1').onmouseout = function(){
						timeout =	setTimeout('hider1()',time);
				}
	}
	
	function showSub2(){
		clearTimeout(timeout);
		document.getElementById('menidrop1').style.display = 'none';
		document.getElementById('menidrop2').style.display = 'block';
		document.getElementById('menidrop3').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('menidrop1').style.display = 'none';
		document.getElementById('menidrop2').style.display = 'none';
		document.getElementById('menidrop3').style.display = 'block';		
				document.getElementById('menidrop3').onmouseover = function(){
					clearTimeout(timeout);
				}
				document.getElementById('menidrop3').onmouseout = function(){
						timeout =	setTimeout('hider1()',time);
				}
	}

	function showOpt(menuItm){
		myItems=["drop1-menu","drop2-menu","drop3-menu","drop4-menu","drop5-menu"];

		for (i=0;i<=4;i++)
		{
			if (menuItm==myItems[i]){
				document.getElementById(myItems[i]).style.display = 'block';
			}
			else{
				document.getElementById(myItems[i]).style.display = 'none';
			}
		}
	}