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

function show (id){ 
	if (document.getElementById) { 
		obj = document.getElementById(id);
		obj.style.display = "block"; 
	}
}

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