var slideimages=new Array()
function slideshowimages(){
      for (i=0;i<slideshowimages.arguments.length;i++){
           slideimages[i]=new Image();
           slideimages[i].src=slideshowimages.arguments[i];
      }
    }
     slideshowimages(
"/img/2.jpg",
"/img/3.jpg",
"/img/4.jpg",
"/img/5.jpg",
"/img/1.jpg"
    );
    var slideshowspeed=2500;
    var whichimage=Math.floor(Math.random()*3+1);

      function slideit(){
      if (!document.images)
         return;
      document.images.slide.src=slideimages[whichimage].src;
      if (whichimage<slideimages.length-1)
         whichimage++;
      else
         whichimage=0;
      setTimeout("slideit()",slideshowspeed);
   }
slideit();