var slideShowSpeed = 5000;
var slideShowSpeed2 = 2000;
var crossFadeDuration = 100;
var Pic = new Array();
Pic[0] = '/images/dia/1.jpg';
Pic[1] = '/images/dia/2.jpg';
Pic[2] = '/images/dia/3a.jpg';
Pic[3] = '/images/dia/5.jpg';

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

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

function runSlideShow(){
   if (document.all){
	  document.images.SlideShow.style.filter="blendTrans(duration=2)";
	  document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)";
      document.images.SlideShow.filters.blendTrans.Apply();
   }
   document.images.SlideShow.src = preLoad[j].src;
   if (document.all){
      document.images.SlideShow.filters.blendTrans.Play();
   }
   j = j + 1;
   if (j > (p-1)) j=0
   if( j == 1 ){
   		t = setTimeout('runSlideShow()', slideShowSpeed);
   } else {
	  	t = setTimeout('runSlideShow()', slideShowSpeed2);   
	}
}