var x = new Number;
  var intervalo;
  var played = 0;
  var images = new Array;
  images[0]="images/p/_MG_3841.gif";
  images[1]="images/p/_MG_3856_1.gif";
  images[2]="images/p/_MG_3926.gif";
  images[3]="images/p/_MG_3980.gif";
  images[4]="images/p/_MG_4095.gif";
  
  function SlideImages(){
	  if (x == "null" || x == "undefined" || x == null || x == undefined || x >= images.length || x < 0) x = 0;
	  document.getElementById('slide').setAttribute('src',images[x]);
    x+=1;
  }
  
  function SlidePrev(){
    if (played==1){SlidePause();}
    x = x - 1;
    SlideImages();
    if (played==0){SlidePlay();}
  }
  
  function SlidePause(){
    if (played==1){
      clearInterval(intervalo);
      played = 0;
    }
  }
  
  function SlidePlay(){
    played = 1;
    intervalo = setInterval('SlideImages()', 5000);
    SlideImages();
  }
  
  function SlideNext(){
    if (played==1){SlidePause();}
    SlideImages();
    if (played==0){SlidePlay();}
  }
  
  function SlidePlayPause(){
    if (played==1){
      SlidePause();
    } else {
      SlidePlay();
    }
  }
  
  window.onload=SlidePlay();