// JavaScript Document

function wopen(link,wi,he) {
	
	var width=wi; var height=he;
	var l=(screen.availWidth-width)/2;
	var t=(screen.availHeight-height)/2;
    window.open(link ,"","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width="+wi+",height="+he+",screenX="+l+",screenY="+t+",left="+l+",top="+t);
}

function zeige_bild(bild) {
  
  if (!document.getElementById("platzhalter")) return true;
  var source = bild.getAttribute("href");
  var platzhalter = document.getElementById("platzhalter");
  platzhalter.setAttribute("src",source); return false;
  if (!document.getElementById("description")) return false;
  if (bild.getAttribute("title")) {
    var text = bild.getAttribute("title");
  } else {
    var text = "";
  }
  var description = document.getElementById("description");
  if (description.firstChild.nodeType == 3) {
    description.firstChild.nodeValue = text;
  }
  return false;
}

function anzeige() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("grossBild")) return false;
  var bilder = document.getElementById("grossBild");
  var links = bilder.getElementsByTagName("a");
  for ( var i=0; i < links.length; i++) {
    links[i].onclick = function() {
      return zeige_bild(this);
	}
    links[i].onkeypress = links[i].onclick;
  }
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

addLoadEvent(anzeige);