function swap (prefix)
{
	if (document.getElementById(prefix  + "_swap").style.display == 'none')
	{
		document.getElementById(prefix + "_swap").style.display = "";
		document.getElementById(prefix + "_swap_img").src = "/images/swap_bottom.gif";
	}
	else
	{
		document.getElementById(prefix + "_swap").style.display = "none";
		document.getElementById(prefix + "_swap_img").src = "/images/swap_left.gif";
	}
}

function readmore (prefix)
{
	if (document.getElementById(prefix  + "_readmore").style.display == 'none')
	{
		document.getElementById(prefix + "_readmore").style.display = "";
		document.getElementById(prefix + "_readmore_img").src = "/images/read_less.jpg";
	}
	else
	{
		document.getElementById(prefix + "_readmore").style.display = "none";
		document.getElementById(prefix + "_readmore_img").src = "/images/read_more.jpg";
	}
}
function popup (url)
{
	window.open (url, "cup_grid", "width="+((screen.width)-20)+",height="+((screen.height)-40)+",toolbar=no,menubar=no,scrollbars=yes,status=no,location=no,resizable=yes");
}