// Get multiple elements by given ID's
  function getelementsbyPrefix(inPrefix,inRoot){ 
    var elem_array = new Array; 
    if(typeof inRoot.firstChild != 'undefined'){ 
        var elem = inRoot.firstChild; 
        while (elem != null){ 
            if(typeof elem.firstChild != 'undefined'){ 
                elem_array = elem_array.concat(getelementsbyPrefix(inPrefix,elem)); 
            } 
            if(typeof elem.id != 'undefined'){ 
                var reg = new RegExp ( inPrefix+'.*' ); 
                if(elem.id.match(reg)){ 
                    elem_array.push(elem); 
                } 
            } 
            elem = elem.nextSibling; 
        } 
    } 
    return elem_array; 
  }
    
  function initFade()
  {
    currSlide = 0;
    galleryArr = getelementsbyPrefix('slide',document.documentElement);
    numberOfSlides = galleryArr.length;
    faders = new Array();
    for(var i=0;i<galleryArr.length;i++)
    {
      faders[i] =  new Fadomatic(galleryArr[i], 5, 0);  
    }
    
    setInterval('showNext(false)',10000);
    faders[0].show();
  }

  function initRotateBox(id)
  {
    currSlide = 0;
    galleryArr = getelementsbyPrefix(id,document.documentElement);
    numberOfSlides = galleryArr.length;
    faders = new Array();
    for(var i=0;i<galleryArr.length;i++)
    {
      faders[i] = new Fadomatic(galleryArr[i], 5, 0);  
    }
    
    if (numberOfSlides>1) {
        setInterval('showNext(false)',10000);
    }
    faders[0].show();
  }

  function initFadeForRTB(s)
  {
    currSlide = s;
	
    headerArr = getelementsbyPrefix('hdr',document.documentElement);
    descArr = getelementsbyPrefix('dsc',document.documentElement);
    imageArr = getelementsbyPrefix('pic',document.documentElement);
		
    numberOfSlides = headerArr.length;
	
    faders = new Array();
    dfaders = new Array();
    ifaders = new Array();
		
    for(var i=0;i<headerArr.length;i++)
    {
      faders[i] =  new Fadomatic(headerArr[i], 5, 0);  
      dfaders[i] = new Fadomatic(descArr[i], 5, 0);
      ifaders[i] = new Fadomatic(imageArr[i], 5, 0);
    }
    
    setInterval('showNextForRTB()',5000);
	
    faders[s].show();
    dfaders[s].show();
    ifaders[s].show();
  }
    
  function showPrev()
  {
    nextSlide = currSlide - 1;
    if (nextSlide < 0)
      nextSlide = numberOfSlides-1;

    faders[currSlide].fadeOut();
    faders[nextSlide].fadeIn();

    currSlide = nextSlide;

  }

  function showNext()
  {
    nextSlide = currSlide + 1;
    if (nextSlide > numberOfSlides-1)
      nextSlide = 0;

    faders[currSlide].fadeOut();
    faders[nextSlide].fadeIn();

    currSlide = nextSlide;

  }

  function showNextForRTB()
  {
    nextSlide = currSlide + 1;
    if (nextSlide > numberOfSlides-1)
      nextSlide = 0;

    faders[currSlide].fadeOut();
    faders[nextSlide].fadeIn();

    dfaders[currSlide].fadeOut();
    dfaders[nextSlide].fadeIn();
   
    ifaders[currSlide].fadeOut();
    ifaders[nextSlide].fadeIn();
     
    currSlide = nextSlide;
  }
//---------------------------------------------------------\\

  
// Fade interval in milliseconds
// Make this larger if you experience performance issues
Fadomatic.INTERVAL_MILLIS = 50;

// Creates a fader
// element - The element to fade
// speed - The speed to fade at, from 0.0 to 100.0
// initialOpacity (optional, default 100) - element's starting opacity, 0 to 100
// minOpacity (optional, default 0) - element's minimum opacity, 0 to 100
// maxOpacity (optional, default 0) - element's minimum opacity, 0 to 100
function Fadomatic (element, rate, initialOpacity, minOpacity, maxOpacity) {
  this._element = element;
  this._intervalId = null;
  this._rate = rate;
  this._isFadeOut = true;

  // Set initial opacity and bounds
  // NB use 99 instead of 100 to avoid flicker at start of fade
  this._minOpacity = 0;
  this._maxOpacity = 99;
  this._opacity = 99;

  if (typeof minOpacity != 'undefined') {
    if (minOpacity < 0) {
      this._minOpacity = 0;
    } else if (minOpacity > 99) {
      this._minOpacity = 99;
    } else {
      this._minOpacity = minOpacity;
    }
  }

  if (typeof maxOpacity != 'undefined') {
    if (maxOpacity < 0) {
      this._maxOpacity = 0;
    } else if (maxOpacity > 99) {
      this._maxOpacity = 99;
    } else {
      this._maxOpacity = maxOpacity;
    }

    if (this._maxOpacity < this._minOpacity) {
      this._maxOpacity = this._minOpacity;
    }
  }
  
  if (typeof initialOpacity != 'undefined') {
    if (initialOpacity > this._maxOpacity) {
      this._opacity = this._maxOpacity;
    } else if (initialOpacity < this._minOpacity) {
      this._opacity = this._minOpacity;
    } else {
      this._opacity = initialOpacity;
    }
  }


  // See if we're using W3C opacity, MSIE filter, or just
  // toggling visiblity
  if(typeof element.style.opacity != 'undefined') {

    this._updateOpacity = this._updateOpacityW3c;

  } else if(typeof element.style.filter != 'undefined') {

    // If there's not an alpha filter on the element already,
    // add one
    if (element.style.filter.indexOf("alpha") == -1) {

      // Attempt to preserve existing filters
      var existingFilters="";
      if (element.style.filter) {
        existingFilters = element.style.filter+" ";
      }
      element.style.filter = existingFilters+"alpha(opacity="+this._opacity+")";
    }

    this._updateOpacity = this._updateOpacityMSIE;
    
  } else {

    this._updateOpacity = this._updateVisibility;
  }

  this._updateOpacity();
}

// Initiates a fade out
Fadomatic.prototype.fadeOut = function () {
  this._isFadeOut = true;
  this._beginFade();
}

// Initiates a fade in
Fadomatic.prototype.fadeIn = function () {
  this._isFadeOut = false;
  this._beginFade();
}

// Makes the element completely opaque, stops any fade in progress
Fadomatic.prototype.show = function () {
  this.haltFade();
  this._opacity = this._maxOpacity;
  this._updateOpacity();
}

// Makes the element completely transparent, stops any fade in progress
Fadomatic.prototype.hide = function () {
  this.haltFade();
  this._opacity = 0;
  this._updateOpacity();
}

// Halts any fade in progress
Fadomatic.prototype.haltFade = function () {

  clearInterval(this._intervalId);
}

// Resumes a fade where it was halted
Fadomatic.prototype.resumeFade = function () {

  this._beginFade();
}

// Pseudo-private members

Fadomatic.prototype._beginFade = function () {

  this.haltFade();
  var objref = this;
  this._intervalId = setInterval(function() { objref._tickFade(); },Fadomatic.INTERVAL_MILLIS);
}

Fadomatic.prototype._tickFade = function () {

  if (this._isFadeOut) {
    this._opacity -= this._rate;
    if (this._opacity < this._minOpacity) {
      this._opacity = this._minOpacity;
      this.haltFade();
    }
  } else {
    this._opacity += this._rate;
    if (this._opacity > this._maxOpacity ) {
      this._opacity = this._maxOpacity;
      this.haltFade();
    }
  }

  this._updateOpacity();
}

Fadomatic.prototype._updateVisibility = function () {
  
  if (this._opacity > 0) {
    this._element.style.visibility = 'visible';
  } else {
    this._element.style.visibility = 'hidden';
  }
}

Fadomatic.prototype._updateOpacityW3c = function () {
  
  this._element.style.opacity = this._opacity/100;
  this._updateVisibility();
}

Fadomatic.prototype._updateOpacityMSIE = function () {
  
  this._element.filters.alpha.opacity = this._opacity;
  this._updateVisibility();
}

Fadomatic.prototype._updateOpacity = null;