var div;
			function ayuda(div)
			{
				if(document.getElementById(div).style.visibility = 'hidden')
				{
					
					document.getElementById(div).style.visibility = 'visible';
					

					
				}
				
				
			}
			function ayudaout(div)
			{
				if(document.getElementById(div).style.visibility = 'visible')
				{
					document.getElementById(div).style.visibility = 'hidden';
				}
				
			}