var speed = 3000
var Pic = new Array() 
Pic[0] = 'php/dm.php?ID_MEDIA=2'
Pic[1] = 'php/dm.php?ID_MEDIA=3'
Pic[2] = 'php/dm.php?ID_MEDIA=35'
Pic[3] = 'php/dm.php?ID_MEDIA=36'
Pic[4] = 'php/dm.php?ID_MEDIA=15'
Pic[5] = 'php/dm.php?ID_MEDIA=16'

var t
var j = 0
var p = Pic.length

var id1 = 0
var id2 = 1
var id3 = 2

var preLoad = new Array()
for (i = 0; i < p; i++){
   preLoad[i] = new Image()
   preLoad[i].src = Pic[i]
}

function runSlideShow(cId){
   var id = 0
   var cpt = 0
   
   var idOK = 0

   while((cpt <= 10) && (idOK == 0))
   {
      cpt++;
      id = Math.round(p*Math.random())
      if (id >= p) {
         id = p-1
      }
      else if (p < 0) {
         id = 0
      }
      if ((id != id1) && (id != id2) && (id != id3)){
         idOK = 1
      }
   } 

   if (cId == 1) {
      if (idOK == 1){
         document.images.slideShow1.src = preLoad[id].src
         id1 = id
      }
      cId = 2
   }
   else if (cId == 2) {
      if (idOK == 1){
         document.images.slideShow2.src = preLoad[id].src
         id2 = id
      }
      cId = 3
   }
   else {
      if (idOK == 1){
         document.images.slideShow3.src = preLoad[id].src
         id3 = id
      }
      cId = 1
   }

   t = setTimeout('runSlideShow('+cId+')', speed)
}