function popUp(url, name)
{
	var left = Math.floor((screen.width - 630) / 2);
	var top = Math.floor((screen.height - 500) / 2);
	var win = window.open(url, name, 'width=630, height=500, left=' + left + ', top=' + top + ', channelmode=no, directories=no, fullscreen=no, location=no, menubar=no, resizable=yes, scrollbars=yes, status=no, titlebar=yes, toolbar=no');
	win.focus();
}