var delai=3000;
var i=1;
che = "../images/";

var imageD = new Array();
var cacheD = new Array();

imageD[0] = che+'cam.jpg';
imageD[1] = che+'cam.0.jpg';
imageD[2] = che+'cam.1.jpg';
imageD[3] = che+'cam.2.jpg';
imageD[4] = che+'cam.3.jpg';
imageD[5] = che+'cam.4.jpg';
imageD[6] = che+'cam.5.jpg';
imageD[7] = che+'cam.6.jpg';
imageD[8] = che+'cam.7.jpg';
imageD[9] = che+'cam.8.jpg';
imageD[10] = che+'cam.9.jpg';


for(a = 0; a < imageD.length; a++) {
  cacheD[a] = new Image();
	cacheD[a].src = imageD[a];
}

function chgImg(){
  if (document.getElementById) o = document.getElementById('diapo');
  else if (document.images) o = document.images.diapo;
        
  if (o) {
    o.src = cacheD[i].src;
  }        
        
  i = i+1;
  if (i == cacheD.length) i = 0;
  
  setTimeout('chgImg()',delai);
}