var imageArray = new makeArray('gifs/logo_vermell.gif alt="caratules 100% rock catala"', 'gifs/logo_verd.gif alt="caratules 100% rock catala"', 'gifs/logo_blau.gif alt="caratules 100% rock catala"', 'gifs/logo_groc.gif alt="caratules 100% rock catala"');

 // Construct the Array while making it 2.0 compliant
     function makeArray(){
     this.length = makeArray.arguments.length
     for (var i = 0; i < this.length; i++)
     this[i + 1] = makeArray.arguments[i]
     }

         // Generate the Psuedo-random number
     function randNum (num) {
     var now = new Date();
     var rand = Math.round(num * Math.cos(now.getTime()));
     if (rand < 0) rand = - rand; if (rand == 0) rand++;
     return rand;
     }