var bSlide=false;
var imgIndex=0;
var intSpeed = 3500
var preLoad = new Array();
var intID;

function subSlide() {
  if(!bSlide) {
	bSlide = true;
	document.getElementById("imgSlide").src = "../App_Imagens/slideshow-stop.gif";
	window.frames['ifImagens'].document.getElementById('divImagens').style.visibility = "visible";
	playSlide();
  } else {
	document.getElementById("imgSlide").src = "../App_Imagens/slideshow-play.gif";
	bSlide = false;
	clearTimeout(intID);
	window.frames['ifImagens'].document.getElementById('divImagens').style.visibility = "hidden";
  }
}
function initSlide() {
  for(var imgIndex=0; imgIndex<arImagens.length; imgIndex++) {
    preLoad[imgIndex] = new Image();
    preLoad[imgIndex].src = arImagens[imgIndex];
  }
}
function playSlide() {
  if(document.all) {
	document.getElementById("imgPrincipal").style.filter="blendTrans(duration=2)";
	document.getElementById("imgPrincipal").style.filter="blendTrans(duration=crossFadeDuration)";
	document.getElementById("imgPrincipal").filters.blendTrans.Apply();
  }
  document.getElementById("imgPrincipal").src = preLoad[imgIndex].src;
  document.getElementById("imgPrincipal").width = arWidth[imgIndex];
  document.getElementById("imgPrincipal").height = arHeight[imgIndex];
  if(arDescricao[imgIndex] != '') {
    if(document.all){
      document.getElementById('lbDescricao').innerText = "[ "+arDescricao[imgIndex]+" ]";
    } else{
      document.getElementById('lbDescricao').textContent = "[ "+arDescricao[imgIndex]+" ]";
    }
  } else {
    if(document.all){
      document.getElementById('lbDescricao').innerText = "";
    } else{
      document.getElementById('lbDescricao').textContent = "";
    }
  }
  if (document.all){
	document.getElementById('imgPrincipal').filters.blendTrans.Play();
  }
  imgIndex++;
  if(imgIndex > (arImagens.length-1)) imgIndex=0;
  intID = setTimeout('playSlide()', intSpeed);
}