function MM_openWindow(theURL,theName,theHeight,theWidth,theScrollbars) {
	var hoehe  	= theHeight;
	var breite 	= theWidth;
	var links   = (screen.width - theWidth) / 2;
	if (document.all) {
		window.open(theURL, theName, 'location=no,scrollbars='+theScrollbars+',toolbar=no,resizable=no,menubar=no,status=no,width='+breite+',height='+hoehe+',left='+links+',top=0');
	} else {
		window.open(theURL, theName, 'location=no,scrollbars='+theScrollbars+',toolbar=no,resizable=no,menubar=no,status=no,width='+breite+',height='+hoehe+',screenX='+links+',screenY=0');
	}
}