function showorhide(id,ct)

	{ 
		if(document.getElementById(id))
			{  //check the element exists and can be accessed 
				var ele = document.getElementById(id);  //get hold of the element    
				if(ele.style.display=="none")
					{  //see if display property is set to none, switch classe 
						ele.style.display="block";
					}
		else
			{ 
				ele.style.display="none"; 
			}	 
	} 
	}