function g (element)
{
	return document.getElementById(element);
}

function toggle (type)
{
	var selector = (g(type+"_toggle").innerHTML == "new");

	if (selector)
	{
		g(type+"_select").style.display = "none";
		g(type+"_input").style.display = "inline";
		g(type+"_toggle").innerHTML = "cancel";
	}
	else
	{
		g(type+"_select").style.display = "inline";
		g(type+"_input").style.display = "none";
		g(type+"_toggle").innerHTML = "new";
	}
	
	// clear input
	g(type+"_input").value = "";
}