var opendiv = 0;
			
			function showdiv(obj)
			{
				document.getElementById(obj).style.display = 'block';
				if(opendiv == obj)
				{
					opendiv = 0;	
				}
				if(opendiv != 0)
				{
						
						closediv(opendiv);
						opendiv = obj;
				}
				else
				{
					opendiv = obj;
				}
			}	
			
			function closediv(obj)
			{
				document.getElementById(obj).style.display = 'none';
			}