//FONCTIONS DE ROLLOVER :
      var taille=7; // Nombre d'elements du menu
      out = new Image_array();
      on = new Image_array();

      out[1].src = "/img/shiploc/images/home/support_home_en_off.gif";      
      out[2].src = "/img/shiploc/images/home/doc_home_en_off.gif";
      out[3].src = "/img/shiploc/images/home/ref_home_en_off.gif";
      out[4].src = "/img/shiploc/images/home/main_home_en_off.gif";
      out[5].src = "/img/shiploc/images/home/how_home_en_off.gif";
      out[6].src = "/img/shiploc/images/home/about_home_en_off.gif";
      out[7].src = "/img/shiploc/images/home/trylivedemo_02_off.gif";
      
      on[1].src = "/img/shiploc/images/home/support_home_en_on.gif";
      on[2].src = "/img/shiploc/images/home/doc_home_en_on.gif";
      on[3].src = "/img/shiploc/images/home/ref_home_en_on.gif";
      on[4].src = "/img/shiploc/images/home/main_home_en_on.gif";
      on[5].src = "/img/shiploc/images/home/how_home_en_on.gif";
      on[6].src = "/img/shiploc/images/home/about_home_en_on.gif";
      on[7].src = "/img/shiploc/images/home/trylivedemo_02_on.gif";
      
      
      function omover(num)
      {
      imageName='menu'+num;
      document[imageName].src = on[num].src;
      }
        
        function omout(num)
        {
        imageName='menu'+num;
      document[imageName].src = out[num].src;
      }
        
        function Image_array()
        { 
        this.length=taille
        for (var i=1;i<=taille;i++)
          this[i]=new Image()
          return this
          }