var objPopup = 0;
var strImgSrc = "";
function popup(url)
{
	if (objPopup)
	{
		if (!objPopup.closed)
			objPopup.close();
	}
	
	var intW = 50;
	var intH = 50;
	
	strImgSrc = url;
	objPopup = window.open("/popup.htm","","resizable=1,width=" + intW + "px,height="
		+ intH + "px,left=" + ((screen.width-intW)/2) + "px,top=" + ((screen.height-intH)/2) );
	objPopup.focus();
}