function hide(id)
{
	var ctr = 1;
	var ctr1 = 1;
	while (document.getElementById(id + "_" + ctr))
	{
		ctr++;
	}
	while (ctr > ctr1)
	{
		document.getElementById(id + '_' + ctr1).style.display = "none";
		ctr1++;
	}
}

function show(id)
{
	var ctr = 1;
	var initial_var = id.substring(0,3);

	var subStr = id.substring(0,3)
	hide(subStr);
	document.getElementById(id).style.display = "block";
}