// JScript File
function LaunchPopup(URL, windowName, width, height)
	{
	var w = 480, h = 340;
	if (document.all || document.layers) {
		w = screen.availWidth;
		h = screen.availHeight;
	}
	var popW = width, popH = height;
	var leftPos = (w-popW)/2, topPos = (h-popH)/2;
	window.open(URL, windowName, 'toolbar=no,location=no,scrollbars=yes,width=' + popW + ',height=' + popH + ',top=' + topPos + ',left=' + leftPos );
	}
	
function imageReplace(size)
{
    return '/images/site/placeholder' + size + '.gif';
}