function $(psID) {
	if(document.all) {
		return document.all[psID];
	} else {
		return document.getElementById(psID);
	}
}


function shrink(dest)
{
	header = $("header");
	height = parseInt(header.style.height);

	if (height > 100)
	{
		height -= parseInt((height-80)/5);
		header.style.height = height;
		setTimeout("shrink(\""+dest+"\")",100);
	}
	else
	{
		height = 100;
		header.style.height = height;
		window.location = dest;
	}
	return false;
}

function grow(dest)
{
	header = $("header");
	height = parseInt(header.style.height);

	if (height < 250)
	{
		height += parseInt((260-height)/5);
		header.style.height = height;
		setTimeout("grow(\""+dest+"\")",50);
	}
	else
	{
		height = 250;
		header.style.height = height;
		window.location = dest;
	}
	return false;
}