var newwindow = '';
function popitup(url,w,h)
{
	if (!newwindow.closed && newwindow.location)
	{
		newwindow.location.href = url;
		//newwindow.width = w;
		//newwindow.height= h;
	} else {
		LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;
		settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';

		newwindow=window.open(url,'pop',settings);
		if (!newwindow.opener) newwindow.opener = self;
	}
	if (window.focus) {newwindow.focus()}
	return false;
}