// JavaScript Document

  var gblCustShufflerDivId = "custdiv";
  var gblCustShufflerImgId = "custimg"; 
  var gblCustImg = new Array(
    "/images/home/people/connie.gif",
    "/images/home/people/debbie.gif",
    "/images/home/people/diana.gif",
    "/images/home/people/jd.gif",
    "/images/home/people/kareem.gif",
    "/images/home/people/mariya.gif",
    "/images/home/people/rebecca.gif",
    "/images/home/people/sharon.gif"
);
	

// function to shuffle image array
function fisherYates ( myArray ) {
  var i = myArray.length;
  if ( i == 0 ) return false;
  while ( --i ) {
     var j = Math.floor( Math.random() * ( i + 1 ) );
     var tempi = myArray[i];
     var tempj = myArray[j];
     myArray[i] = tempj;
     myArray[j] = tempi;
   }
}

// suffle the image array
fisherYates(gblCustImg);



	var gblCustPauseSeconds = 6.50;
  var gblCustFadeSeconds = 1;
  var gblCustRotations = 1;

  // End Customization section
  
  var gblCustDeckSize = gblCustImg.length;
  var gblCustOpacity = 100;
  var gblCustOnDeck = 0;
  var gblCustStartImg;
  var gblCustImageRotations = gblCustDeckSize * (gblCustRotations+1);


 
  var globalCustOutput;
  
  function custShufflerLaunch()
  {
      globalCustOutput = document.getElementById("outCustDiv");
	 globalCustOutput.style.visibility = 'hidden';
	 globalCustOutput.style.height = '0px';
	  
	  var theCustimg = document.getElementById(gblCustShufflerImgId);
        gblCustStartImg = theCustimg.src; // save away to show as final image

    document.getElementById(gblCustShufflerDivId).style.backgroundImage='url(' + gblCustImg[gblCustOnDeck] + ')';
    //setTimeout("custShufflerFade()",gblCustPauseSeconds*1000);
	custShufflerFade();
  }

  function custShufflerFade()
  {
      var theCustimg = document.getElementById(gblCustShufflerImgId);
    
      // determine delta based on number of fade seconds
    // the slower the fade the more increments needed
        var custFadeDelta = 100 / (30 * gblCustFadeSeconds);

    // fade top out to reveal bottom image
	
	globalCustOutput.innerHTML = gblCustOpacity;
	
    if (gblCustOpacity < 2*custFadeDelta ) 
    {
      gblCustOpacity = 100;
      // stop the rotation if we're done
      //if (gblCustImageRotations < 1) return;
      custShufflerShuffle();
      // pause before next fade
          setTimeout("custShufflerFade()",gblCustPauseSeconds*1000);
    }
    else
    {
      gblCustOpacity -= custFadeDelta;
      setCustOpacity(theCustimg,gblCustOpacity);
      setTimeout("custShufflerFade()",30);  // 1/30th of a second
    }
  }

  function custShufflerShuffle()
  {
    var theCustdiv = document.getElementById(gblCustShufflerDivId);
    var theCustimg = document.getElementById(gblCustShufflerImgId);
    
    // copy div background-image to img.src
    theCustimg.src = gblCustImg[gblCustOnDeck];
    // set img opacity to 100
    //setCustOpacity(theCustdiv,0);
	setCustOpacity(theCustimg,100);
	

        // shuffle the deck
    gblCustOnDeck = ++gblCustOnDeck % gblCustDeckSize;
    // decrement rotation counter
    if (gblCustImageRotations < 1)
    {
      // insert start/final image if we're done
      gblCustImg[gblCustOnDeck] = gblCustStartImg;
    }

    // slide next image underneath
    theCustdiv.style.backgroundImage='url(' + gblCustImg[gblCustOnDeck] + ')';
	//setCustOpacity(theCustdiv,0);
  }

  function setCustOpacity(obj, opacity) {
    opacity = (opacity == 100)?99.999:opacity;
    
    // IE/Win
    obj.style.filter = "alpha(opacity:"+opacity+")";
    
    // Safari<1.2, Konqueror
    obj.style.KHTMLOpacity = opacity/100;

    // Older Mozilla and Firefox
    obj.style.MozOpacity = opacity/100;

    // Safari 1.2, newer Firefox and Mozilla, CSS3
    obj.style.opacity = opacity/100;
  }