function sf_openBrWindow(theURL, winName, myWidth, myHeight) 
	{
	features='toolbar=no,location=no,status=no,menubar=yes,scrollbars=yes,resizable=yes';
	if (screen.height<601) myHeight = 450;
	if(window.screen){
		var myLeft = (screen.width-myWidth)/2;
		var myTop = (screen.height-myHeight)/2-60;
		if(myTop < 30) myTop = 30;
		features+=(features!='')?',':'';
		features+='left='+myLeft+',top='+myTop;
		}
	window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
	}

function sf_Druckversion(Seite)
	{
	theURL = 'Drucken.php?druck='+Seite;
	sf_openBrWindow(theURL,'Druckfenster','700','600');
	}

function sf_ArztFenster(Arzt) {
	theURL = 'Aerzte/'+Arzt+".php";
	features = 'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=800,height=540';
	window.open(theURL,'Arzt',features);
}