function random_img(images)
{
  for (i=0;i<images.length+i;i++) {
    a = Math.round(Math.random()*images.length);
    if ((a >= 0) && (a < images.length)) {
      bild = images[a];
      URL = bild[0];
      breite = bild[1];
      bildname = bild[2];
      if (navigator.appName.indexOf('Netscape') != -1) { FensterBreite = self.innerWidth }
      else if (navigator.appName.indexOf('Microsoft') != -1) { FensterBreite = document.body.clientWidth };
      bildweite = (FensterBreite >= breite) ? '' : ((FensterBreite > 350) ? ' width="100%"' : ' width="350"')
      document.write('<img src="'+URL+'" border="0" align="left"'+bildweite+' />');
      break;
    }
  }
}

function openPreviousLink(elem) {
elem.parentNode.getElementsByTagName('a')[0].onclick();
}

$(document).ready(function() {
    var ref = document.referrer;
    if ( (ref != "") && (ref.indexOf("://www.signamus.de/") == -1) ) {
        if ($.cookie('fe_ref') != null) {
          if (($.cookie('fe_ref').indexOf("://www.google.") != -1) && ($.cookie('fe_ref').indexOf("/aclk?sa=l") != -1)){
            ref = $.cookie('fe_ref');
          }
        }
        $.cookie('fe_ref', ref, { expires: 7, path: '/' }); 
        $.post('http://t.nooi.de/refer.php?'+ref);   
    }
    if($.cookie('fe_ref') != null) {   
      if (($.cookie('fe_ref').indexOf("://www.google.") != -1) && ($.cookie('fe_ref').indexOf("/aclk?sa=l") != -1)){
        var subject = "Anfrage signamus.de (ACLK)";
      } else if (($.cookie('fe_ref').indexOf("://www.google.") != -1) && ($.cookie('fe_ref').indexOf("/url?sa=t") != -1)) {
        var subject = "Anfrage signamus.de (SAT)";
      } else {
        var subject = "Anfrage signamus.de (EXT)";
      }
    } else {
      var subject = "Anfrage signamus.de (SLF)";
    }
    $("a.mail").each(function () {
      $(this).attr("href",$(this).attr("href").replace('\');',decryptString("?subject="+subject,2)+'\');'));
    });
});