// *** Globale Variablen ***
var exampleWin = null;
var actualLocation = null;

// *** Fügt eine E-Mail-Adresse ein ***
function InsertMailto(mailnam,mailsvr,maildom)
{
    return 'mailto:'+mailnam+'@'+mailsvr+'.'+maildom;
}

// *** lädt das nächste/vorherige Bild ***
function nextImage(next, maxnr) {
  var d=document; 
  if(d.images){
	var name = d.images[0].src;
	var basename = name.substring(0,name.lastIndexOf('_')+1).replace(/.+\/|\\/,'');
	var lfdnr = Number(name.substring(name.lastIndexOf('_')+1, name.lastIndexOf('.')));
	lfdnr = lfdnr + (next?1:-1);
	if (lfdnr > maxnr) {lfdnr = 1}
	else if (lfdnr < 1) {lfdnr = maxnr};
	d.images[0].src = 'img/'+basename + String(lfdnr) +'.jpg';
	return false;
	}
}

// *** Arbeitsprobenfenster erzeugen ***//
function showExamples(location) {
  var myWidth = 850;
  var myHeight = 420;
  if (exampleWin && !exampleWin.closed && location == actualLocation) {
	exampleWin.focus();
	return false;
	}
  else if (exampleWin && !exampleWin.closed) {
  	exampleWin.close();
    }
  exampleWin = window.open(location, "examples", "width="+String(myWidth)+",height="+String(myHeight)+",status=no,resizable=yes,statusbar=no,toolbar=no,dependent=no,location=no,menubar=no,scrollbars=no");
  actualLocation = location;
  return false;
  }