function openPopup(url, width, height)
	{
		if (navigator.userAgent.indexOf('Safari') != -1)
		{
			width = width + 15;
			height = height + 15;
		}
		
		neuesFenster = window.open
		(
			url,
			'popup',
			'width=' + width + ',height=' + height + ',left=600,top=380,resizable=no,scrollbars=no'
		)
		neuesFenster.focus();
	}