function tag(s) {return("<"+s+">")}
      function shuffledlinks() {
      // item array (number of items)
      var item = new Array(18);
      item[0]  = '<a href=\"pu_1.jpg\"  rel=\"lightbox[pu]\" title=\"Fitnesscenter                           \"> <img src=\"pu_1_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[1]  = '<a href=\"pu_2.jpg\"  rel=\"lightbox[pu]\" title=\"Bibliothek Schulhaus                    \"> <img src=\"pu_2_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[2]  = '<a href=\"pu_3.jpg\"  rel=\"lightbox[pu]\" title=\"Primarschulhaus                         \"> <img src=\"pu_3_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[3]  = '<a href=\"pu_4.jpg\"  rel=\"lightbox[pu]\" title=\"Duschraum Stadion Letzigrund Z&uuml;rich\"> <img src=\"pu_4_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[4]  = '<a href=\"pu_5.jpg\"  rel=\"lightbox[pu]\" title=\"Schulk&uuml;che                         \"> <img src=\"pu_5_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[5]  = '<a href=\"pu_6.jpg\"  rel=\"lightbox[pu]\" title=\"EFH                                     \"> <img src=\"pu_6_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[6]  = '<a href=\"pu_7.jpg\"  rel=\"lightbox[pu]\" title=\"Klafs Saunalandschaft, Foto: TextConceptions.ch \"> <img src=\"pu_7_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[7]  = '<a href=\"bauarena_spaausstellung.jpg\"  rel=\"lightbox[pu]\" title=\"Spa-Ausstellung      \"> <img src=\"bauarena_spaausstellung_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[8]  = '<a href=\"DSC_1838_b.jpg\"  rel=\"lightbox[pu]\" title=\"Ferienwohnung                     \"> <img src=\"DSC_1838_b_th.jpg\" alt=\"--\" width=\"200\" height=\"150\"></a>';
      item[9]  = '<a href=\"langenauer_badezimmer.jpg\"  rel=\"lightbox[pu]\" title=\"Badezimmer in EFH      \"> <img src=\"langenauer_badezimmer_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[10] = '<a href=\"schaerrer_esszimmer_kueche.jpg\"  rel=\"lightbox[pu]\" title=\"Esszimmer in EFH \"> <img src=\"schaerrer_esszimmer_kueche_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[11] = '<a href=\"schaerrer_wohnzimmer01.jpg\"  rel=\"lightbox[pu]\" title=\"Wohnzimmer in EFH    \"> <img src=\"schaerrer_wohnzimmer01_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[12] = '<a href=\"schulhaus_bazenheid.jpg\"     rel=\"lightbox[pu]\" title=\"Korridor Schulhaus   \"> <img src=\"schulhaus_bazenheid_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[13] = '<a href=\"similor_ausstellungsraum.jpg\"  rel=\"lightbox[pu]\" title=\"Ausstellungsfläche \"> <img src=\"similor_ausstellungsraum_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[14] = '<a href=\"tierspital_stallungen.jpg\"  rel=\"lightbox[pu]\" title=\"Stallungen in Tierspital\"> <img src=\"tierspital_stallungen_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[15] = '<a href=\"tierspital_vorraum.jpg\"  rel=\"lightbox[pu]\" title=\"Vorraum zu Operationssaal\"> <img src=\"tierspital_vorraum_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[16] = '<a href=\"tierspital_waschraum.jpg\"  rel=\"lightbox[pu]\" title=\"Waschraum in Spital    \"> <img src=\"tierspital_waschraum_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';
      item[17] = '<a href=\"empfangshalle.jpg\"  rel=\"lightbox[pu]\" title=\"Empfangshalle                 \"> <img src=\"empfangshalle_th.jpg\" alt=\"\" width=\"200\" height=\"150\"></a>';

      var i = item.length;
      if ( i == 0 ) return false;
      while ( --i ) {
       var j = Math.floor( Math.random() * ( i + 1 ) );
       var tempi = item[i];
       var tempj = item[j];
       item[i] = tempj;
       item[j] = tempi;
                    }
       document.write(
       tag("tr class='fotos'")
       +tag("td class='fotos'")+item[0]+tag("/td")
       +tag("td class='fotos'")+item[1]+tag("/td")
       +tag("td class='fotos'")+item[2]+tag("/td")
       +tag("/tr")
       +tag("tr class='fotos'")
       +tag("td class='fotos'")+item[3]+tag("/td")
       +tag("td class='fotos'")+item[4]+tag("/td")
       +tag("td class='fotos'")+item[5]+tag("/td")
       +tag("/tr")
       +tag("tr class='fotos'")
       +tag("td class='fotos'")+item[6]+tag("/td")
       +tag("td class='fotos'")+item[7]+tag("/td")
       +tag("td class='fotos'")+item[8]+tag("/td")
       +tag("/tr")
       +tag("tr class='fotos'")
       +tag("td class='fotos'")+item[9]+tag("/td")
       +tag("td class='fotos'")+item[10]+tag("/td")
       +tag("td class='fotos'")+item[11]+tag("/td")
       +tag("/tr")
       +tag("tr class='fotos'")
       +tag("td class='fotos'")+item[12]+tag("/td")
       +tag("td class='fotos'")+item[13]+tag("/td")
       +tag("td class='fotos'")+item[14]+tag("/td")
       +tag("/tr")
       +tag("tr class='fotos'")
       +tag("td class='fotos'")+item[15]+tag("/td")
       +tag("td class='fotos'")+item[16]+tag("/td")
       +tag("td class='fotos'")+item[17]+tag("/td")      
       +tag("/tr")
                     )
                       }