function showThis(a)

{
	var expand = document.getElementById(a);

	if (expand.style.height == "0px")
		{
			expand.style.height = "auto";
			//expand.style.overflow = "hidden";
		}
	else{ 
			expand.style.height = "0px";
			expand.style.overflow = "hidden";
		}
}

function hideThis(a)

{
var expand = document.getElementById(a);
if (expand.style.height !="0")
	{
	expand.style.height = "0px";
	expand.style.overflow = "hidden";
	}

}