function openwindow(url,w,h)
{
	screenx = 250;
	screeny = 250;
	settings = 'width='+w+' ,height='+h+' ,screenY=200,screenX=200,scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	MyWindow=window.open(url,'Bild',settings);
	MyWindow.focus();
}