function showL(show1,show2,show3,show4){ 	
//alert(show1)
	document.getElementById(show1).style.display='block';
	document.getElementById(show2).style.display='block';
	document.getElementById(show3).style.display='block';
	document.getElementById(show4).style.display='block';
	
	hideL()
	}
	function timer(){ 
		var hide1 = document.getElementById('flag_1');
		var hide2 = document.getElementById('flag_2');
		var hide3 = document.getElementById('flag_3');
		var hide4 = document.getElementById('flag_4');
		hide1.style.display='block';
		hide2.style.display='none';
		hide3.style.display='none';
		hide4.style.display='none';

	}

	function hideL(){setTimeout("timer()", 5000);  }