function popup(datei,name,breite,hoehe,noresize)
{ 
	var posX=(screen.availWidth-breite)/2;
	var posY=(screen.availHeight-hoehe)/2;
	var resizable = (noresize==1) ? 0 : 1;
	window.open(datei,name,"resizable="+resizable+",scrollbars=1,width=" + breite + ",height=" + hoehe + "screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");
}


function galpop(datei,name,breite,hoehe,noresize)
{ 
	var posX=(screen.availWidth-breite)/2;
	var posY=(screen.availHeight-hoehe)/2;
	var resizable = (noresize==1) ? 0 : 1;
	var scrollbar = (document.all) ? 0 : 1;
	window.open(datei,name,"resizable="+resizable+",scrollbars="+scrollbar+",width=" + breite + ",height=" + hoehe + "screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");
}


function textCounter(field, countfield, maxlimit)
{ 
	if (field.value.length > maxlimit)
	{ 
		field.value = field.value.substring(0, maxlimit);
	} else { 
		countfield.value = maxlimit - field.value.length;
	}
}