// JavaScript Document

function showhide(id) 
{ 
	if (document.getElementById)
	{ 
		obj = document.getElementById(id); 
		if (obj.style.display == "none")
		{ 
			obj.style.display = "block"; 
		} 
		else 
		{ 
			obj.style.display = "none"; 
		} 
	} 
}