_PATH = "http://siteresources.worldbank.org/ECAEXT/Resources/258598-1144184851981/2394686-1207319836597/";

var SLIDES;
//==================================================
// Custom Instances
//==================================================
function sortSlidesByDate(){
    //===================
    //Sort slide: added by Lou to fix ordering problem.
    var numberOfFeatures = 3;
    var eFeaturesDate = new Array();
    var eFeaturesHtml = new Array();
    var currentFeatureDate;
    var yyyyStr,mmStr,ddStr;
    var yyyyElem, mmElem, ddElem    
    for(var i=0; i<numberOfFeatures; i++){
       currentFeatureDate = new Date();
       yyyyCellId = "inputFeatureBoxYearCell"+ (i+1);       
       mmCellId = "inputFeatureBoxMonthCell"+ (i+1);
       ddCellId = "inputFeatureBoxDayCell" + (i+1);
       //alert(yyyyCellId + "," + mmCellId + "," +ddCellId);

       yyyyElem = document.getElementById(yyyyCellId);
       mmElem = document.getElementById(mmCellId);
       ddElem = document.getElementById(ddCellId)
       if(yyyyElem!=null && mmElem!=null && ddElem!=null){
         yyyyStr = yyyyElem.innerHTML;
         mmStr = mmElem.innerHTML;
         ddStr = ddElem.innerHTML;
         //alert(yyyyStr + "/" + mmStr + "/" + ddStr);
         currentFeatureDate.setFullYear(yyyyStr,mmStr-1,ddStr);
         eFeaturesDate[eFeaturesDate.length] = currentFeatureDate;
         //alert(currentFeatureDate.toLocaleString());
         eFeaturesHtml[eFeaturesHtml.length] = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[i].cells[3].innerHTML;


       }else{
         //alert("could not find key elements");
       }
       
       
       //alert(i);
    }
    //sort by date
    for(var i=1; i<=numberOfFeatures; i++){
      fDate = eFeaturesDate[i];
      //alert(fDate.toLocaleString());
      fHtml = eFeaturesHtml[i];
      var j = i-1;
      while ( (j>=0) && (eFeaturesDate[j] < fDate) ){
        eFeaturesDate[j+1] = eFeaturesDate[j];
        eFeaturesHtml[j+1] = eFeaturesHtml[j];
        j = j-1;
      }
      eFeaturesDate[j+1] = fDate;
      eFeaturesHtml[j+1] = fHtml;
    }
    document.getElementById('insomFeatureBoxTBL').style.display = 'none';
    SLIDES = new FeatureBox("SLIDES");
    for(k=0; k<numberOfFeatures; k++){
      s = new slide();
      s.text = eFeaturesHtml[k];
      SLIDES.add_slide(s);
      //alert(eFeaturesDate[k].toLocaleString() + "\n\n" + eFeaturesHtml[k]);
    }
    
}
function UpdateFeatureBoxControls(){
    try{
	sortSlidesByDate();
// commented out by Lou to fix ordering and flickering issue. replacement code is in sortSlides() function above ==============
/*         document.getElementById('insomFeatureBoxTBL').style.display = 'none';
        SLIDES = new FeatureBox("SLIDES");
        dateVar1 = new Date();
        dateVar1.setFullYear(document.getElementById('inputFeatureBoxYearCell1').innerHTML,document.getElementById('inputFeatureBoxMonthCell1').innerHTML-1,document.getElementById('inputFeatureBoxDayCell1').innerHTML);
        dateVar2 = new Date();
        dateVar2.setFullYear(document.getElementById('inputFeatureBoxYearCell2').innerHTML,document.getElementById('inputFeatureBoxMonthCell2').innerHTML-1,document.getElementById('inputFeatureBoxDayCell2').innerHTML);
        dateVar3 = new Date();
        dateVar3.setFullYear(document.getElementById('inputFeatureBoxYearCell3').innerHTML,document.getElementById('inputFeatureBoxMonthCell3').innerHTML-1,document.getElementById('inputFeatureBoxDayCell3').innerHTML);
        if(dateVar1 >= dateVar2 && dateVar2 >= dateVar3)
        {
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[0].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[1].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[2].cells[3].innerHTML;
            SLIDES.add_slide(s);
        }
        else if(dateVar1 >= dateVar2 && dateVar3 > dateVar2)
        {
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[0].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[2].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[1].cells[3].innerHTML;
            SLIDES.add_slide(s);
        }
        else if(dateVar2 >= dateVar1 && dateVar1 >= dateVar3)
        {
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[1].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[0].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[2].cells[3].innerHTML;
            SLIDES.add_slide(s);
        }
        else if(dateVar2 >= dateVar1 && dateVar3 > dateVar1)
        {
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[1].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[2].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[0].cells[3].innerHTML;
            SLIDES.add_slide(s);
        }
        else if(dateVar3 >= dateVar2 && dateVar2 >= dateVar1)
        {
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[2].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[1].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[0].cells[3].innerHTML;
            SLIDES.add_slide(s);
        }
        else if(dateVar3 >= dateVar2 && dateVar1 > dateVar2)
        {
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[2].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[0].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[1].cells[3].innerHTML;
            SLIDES.add_slide(s);
        }
        else
        {
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[0].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[1].cells[3].innerHTML;
            SLIDES.add_slide(s);
            s = new slide();
            s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[2].cells[3].innerHTML;
            SLIDES.add_slide(s);
        }
 */
    }
    catch(ex)
    {
        s = new slide();
        s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[0].cells[3].innerHTML;
        SLIDES.add_slide(s);
        s = new slide();
        s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[1].cells[3].innerHTML;
        SLIDES.add_slide(s);
        s = new slide();
        s.text = document.getElementById('insomFeatureBoxTBL').tBodies[0].rows[2].cells[3].innerHTML;
        SLIDES.add_slide(s);
    }
    SLIDES.update();
}
// There are two objects defined in this file:
// "slide" - contains all the information for a single slide
// "FeatureBox" - consists of multiple slide objects and runs the FeatureBox

//==================================================
// slide object
//==================================================
function slide(src,link,text,target,attr) {
  // This is the constructor function for the slide object.
  // It is called automatically when you create a new slide object.
  // For example:
  // s = new slide();

  // Image URL
  this.src = src;

  // Link URL
  this.link = link;

  // Text to display
  this.text = text;
  // Name of the target window ("_blank")
  this.target = target;

  // Custom duration for the slide, in milliseconds.
  // This is an optional parameter.
  this.timeout = 7000

  // Attributes for the target window:
  // width=n,height=n,resizable=yes or no,scrollbars=yes or no,
  // toolbar=yes or no,location=yes or no,directories=yes or no,
  // status=yes or no,menubar=yes or no,copyhistory=yes or no
  // Example: "width=200,height=300"
  this.attr = attr;

  // Create an image object for the slide
  if (document.images) {
    this.image = new Image();
  }

  // Flag to tell when load() has already been called
  this.loaded = false;

  //--------------------------------------------------
  this.load = function() {
    // This method loads the image for the slide

    if (!document.images) { return; }

    if (!this.loaded) {
      this.image.src = this.src;
      this.loaded = true;
    }
  }

  //--------------------------------------------------
  this.hotlink = function() {
    // This method jumps to the slide's link.
    // If a window was specified for the slide, then it opens a new window.

    var mywindow;

    // If this slide does not have a link, do nothing
    if (!this.link) return;

    // Open the link in a separate window?
    if (this.target) {

      // If window attributes are specified,
      // use them to open the new window
      if (this.attr) {
        mywindow = window.open(this.link, this.target, this.attr);
  
      } else {
        // If window attributes are not specified, do not use them

        // (this will copy the attributes from the originating window)
        mywindow = window.open(this.link, this.target);
      }

      // Pop the window to the front
      if (mywindow && mywindow.focus) mywindow.focus();

    } else {
      // Open the link in the current window
      location.href = this.link;
    }
  }
}

//==================================================
// FeatureBox object
//==================================================
function FeatureBox( FeatureBoxname ) {
  // This is the constructor function for the FeatureBox object.
  // It is called automatically when you create a new object.
  // For example:
  // ss = new FeatureBox("ss");

  // Name of this object
  // (required if you want your FeatureBox to auto-play)
  // For example, "SLIDES1"
  this.name = FeatureBoxname;

  // When we reach the last slide, should we loop around to start the
  // FeatureBox again?
  this.repeat = false;
  
  // determine if loop finished
  this.loopFinished = false;

  // Number of images to pre-fetch.
  // -1 = preload all images.
  //  0 = load each image is it is used.
  //  n = pre-fetch n images ahead of the current image.
  // I recommend preloading all images unless you have large
  // images, or a large amount of images.
  this.prefetch = -1;

  // IMAGE element on your HTML page.
  // For example, document.images.SLIDES1IMG
  this.image;

  // ID of a DIV element on your HTML page that will contain the text.
  // For example, "slides2text"
  // Note: after you set this variable, you should call
  // the update() method to update the FeatureBox display.
  this.textid;

  // TEXTAREA element on your HTML page.
  // For example, document.SLIDES1FORM.SLIDES1TEXT
  // This is a depracated method for displaying the text,
  // but you might want to supply it for older browsers.
  this.textarea;

  // Milliseconds to pause between slides.
  // Individual slides can override this.
  this.timeout = 7000;

  // Hook functions to be called before and after updating the slide
  // this.pre_update_hook = function() { }
  // this.post_update_hook = function() { }

  // These are private variables
  this.slides = new Array();
  this.current = 0;
  this.timeoutid = 0;

  //--------------------------------------------------
  // Public methods
  //--------------------------------------------------
  this.add_slide = function(slide) {
    // Add a slide to the FeatureBox.
    // For example:
    // SLIDES1.add_slide(new slide("s1.jpg", "link.html"))
  
    var i = this.slides.length;
  
    // Prefetch the slide image if necessary
    if (this.prefetch == -1) {
      slide.load();
    }

    this.slides[i] = slide;
  }


  //--------------------------------------------------
  this.playN = function(timeout) {
    // This method implements the automatically running FeatureBox.
    // If you specify the "timeout" argument, then a new default
    // timeout will be set for the FeatureBox.
  
    // Make sure we're not already playing
    this.pause();
    this.loopFinished=false;
    // If the timeout argument was specified (optional)
    // then make it the new default
    if (timeout) {
      this.timeout = timeout;
    }
  
    // If the current slide has a custom timeout, use it;
    // otherwise use the default timeout
    if (typeof this.slides[ this.current ].timeout != 'undefined') {
      timeout = this.slides[ this.current ].timeout;
    } else {
      timeout = this.timeout;
    }

    // After the timeout, call this.loop()
    this.timeoutid = setTimeout( this.name + ".loop()", timeout);
  }
  //--------------------------------------------------
  this.play = function(timeout) {
    // This method implements the automatically running FeatureBox.
    // If you specify the "timeout" argument, then a new default
    // timeout will be set for the FeatureBox.
  
    // Make sure we're not already playing
    this.pause();
    // If the timeout argument was specified (optional)
    // then make it the new default
    if (timeout) {
      this.timeout = timeout;
    }
  
    // If the current slide has a custom timeout, use it;
    // otherwise use the default timeout
    if (typeof this.slides[ this.current ].timeout != 'undefined') {
      timeout = this.slides[ this.current ].timeout;
    } else {
      timeout = this.timeout;
    }
    
    // After the timeout, call this.loop()
    this.timeoutid = setTimeout( this.name + ".loop()", timeout);
    
  }

  //--------------------------------------------------
  this.pause = function() {
    // This method stops the FeatureBox if it is automatically running.
  
    if (this.timeoutid != 0) {

      clearTimeout(this.timeoutid);
      this.timeoutid = 0;

    }
  }

  //--------------------------------------------------
  this.update = function() {
    // This method updates the FeatureBox image on the page

    // Make sure the FeatureBox has been initialized correctly
    if (! this.valid_image()) { return; }
  
    // Call the pre-update hook function if one was specified
    if (typeof this.pre_update_hook == 'function') {
      this.pre_update_hook();
    }

    // Convenience variable for the current slide
    var slide = this.slides[ this.current ];

    // Determine if the browser supports filters
    var dofilter = false;

    // Load the slide image if necessary
    slide.load();
    
    // Update the image.
    this.image.src = slide.image.src;

    // Play the image transition filters
    if (dofilter) {
      this.image.filters[0].Play();
    }

    // Update the text
    this.display_text();

    // Call the post-update hook function if one was specified
    if (typeof this.post_update_hook == 'function') {
      this.post_update_hook();
    }

    // Do we need to pre-fetch images?
    if (this.prefetch > 0) {

      var next, prev, count;

      // Pre-fetch the next slide image(s)
      next = this.current;
      prev = this.current;
      count = 0;
      do {

        // Get the next and previous slide number
        // Loop past the ends of the FeatureBox if necessary
        if (++next >= this.slides.length) next = 0;
        if (--prev < 0) prev = this.slides.length - 1;

        // Preload the slide image
        this.slides[next].load();
        this.slides[prev].load();

        // Keep going until we have fetched
        // the designated number of slides

      } while (++count < this.prefetch);
    }
  }

  //--------------------------------------------------
  this.goto_slide = function(n) {
    // This method jumpts to the slide number you specify.
    // If you use slide number -1, then it jumps to the last slide.
    // You can use this to make links that go to a specific slide,
    // or to go to the beginning or end of the FeatureBox.
    // Examples:
    // onClick="myslides.goto_slide(0)"
    // onClick="myslides.goto_slide(-1)"
    // onClick="myslides.goto_slide(5)"
    this.loopFinished = true;
    if (n == -1) {
      n = this.slides.length - 1;
    }
  
    if (n < this.slides.length && n >= 0) {
      this.current = n;
    }
  
    document.getElementById('1directbutton').src=_PATH+'1_insom.gif';
    document.getElementById('2directbutton').src=_PATH+'2_insom.gif';
    document.getElementById('3directbutton').src=_PATH+'3_insom.gif';
    document.getElementById((this.current+1)+'directbutton').src=_PATH+(this.current+1)+'_over_insom.gif';
    

    this.update();
  }


  //--------------------------------------------------
  this.goto_random_slide = function(include_current) {
    // Picks a random slide (other than the current slide) and
    // displays it.
    // If the include_current parameter is true,
    // then 
    // See also: shuffle()

    var i;

    // Make sure there is more than one slide
    if (this.slides.length > 1) {

      // Generate a random slide number,
      // but make sure it is not the current slide
      do {
        i = Math.floor(Math.random()*this.slides.length);
      } while (i == this.current);
 
      // Display the slide
      this.goto_slide(i);
    }
  }

  //--------------------------------------------------
  this.nextN = function(n) {
    // This method advances to the next slide.
    // Increment the image number
    if ((this.current < this.slides.length - 1) && !this.loopFinished)
    {
      this.current++;
    }
    else if (this.repeat) 
    {
      this.current = 0;
    }
    else if(!this.loopFinished)
    {
        this.loopFinished=true;
        this.current=0;
    }
    else
    {
    }
    
    var thisCurrent = this.current+1;
    document.getElementById('1directbutton').src=_PATH+'1_insom.gif';
    document.getElementById('2directbutton').src=_PATH+'2_insom.gif';
    document.getElementById('3directbutton').src=_PATH+'3_insom.gif';
    document.getElementById(thisCurrent+'directbutton').src=_PATH+thisCurrent+'_over_insom.gif';
    

    this.update();
  }

  //--------------------------------------------------
  this.next = function() {
    // This method advances to the next slide.
    // Increment the image number
    if ((this.current < this.slides.length - 1))
    {
      this.current++;
    }
    var thisCurrent = this.current+1;
    
    document.getElementById('1directbutton').src=_PATH+'1_insom.gif';
    document.getElementById('2directbutton').src=_PATH+'2_insom.gif';
    document.getElementById('3directbutton').src=_PATH+'3_insom.gif';
    document.getElementById(thisCurrent+'directbutton').src=_PATH+thisCurrent+'_over_insom.gif';
    

    this.update();
  }


  //--------------------------------------------------
  this.previous = function() {
    // This method goes to the previous slide.
  
    // Decrement the image number
    if (this.current > 0) {
      this.current--;
    } else if (this.repeat) {
      this.current = this.slides.length - 1;
    }
    var thisCurrent = this.current+1;

    document.getElementById('1directbutton').src=_PATH+'1_insom.gif';
    document.getElementById('2directbutton').src=_PATH+'2_insom.gif';
    document.getElementById('3directbutton').src=_PATH+'3_insom.gif';
    document.getElementById(thisCurrent+'directbutton').src=_PATH+thisCurrent+'_over_insom.gif';
    this.update();
  }


  //--------------------------------------------------
  this.shuffle = function() {
    // This method randomly shuffles the order of the slides.

    var i, i2, slides_copy, slides_randomized;

    // Create a copy of the array containing the slides
    // in sequential order
    slides_copy = new Array();
    for (i = 0; i < this.slides.length; i++) {
      slides_copy[i] = this.slides[i];
    }

    // Create a new array to contain the slides in random order
    slides_randomized = new Array();

    // To populate the new array of slides in random order,
    // loop through the existing slides, picking a random
    // slide, removing it from the ordered list and adding it to
    // the random list.

    do {

      // Pick a random slide from those that remain
      i = Math.floor(Math.random()*slides_copy.length);

      // Add the slide to the end of the randomized array
      slides_randomized[ slides_randomized.length ] =
        slides_copy[i];

      // Remove the slide from the sequential array,
      // so it cannot be chosen again
      for (i2 = i + 1; i2 < slides_copy.length; i2++) {
        slides_copy[i2 - 1] = slides_copy[i2];
      }
      slides_copy.length--;

      // Keep going until we have removed all the slides

    } while (slides_copy.length);

    // Now set the slides to the randomized array
    this.slides = slides_randomized;
  }


  //--------------------------------------------------
  this.get_text = function() {
    // This method returns the text of the current slide
  
    return(this.slides[ this.current ].text);
  }


  //--------------------------------------------------
  this.get_all_text = function(before_slide, after_slide) {
    // Return the text for all of the slides.
    // For the text of each slide, add "before_slide" in front of the
    // text, and "after_slide" after the text.
    // For example:
    // document.write("<ul>");
    // document.write(s.get_all_text("<li>","\n"));
    // document.write("<\/ul>");
  
    all_text = "";
  
    // Loop through all the slides in the FeatureBox
    for (i=0; i < this.slides.length; i++) {
  
      slide = this.slides[i];
    
      if (slide.text) {
        all_text += before_slide + slide.text + after_slide;
      }
  
    }
  
    return(all_text);
  }


  //--------------------------------------------------
  this.display_text = function(text) {
    // Display the text for the current slide
  
    // If the "text" arg was not supplied (usually it isn't),
    // get the text from the FeatureBox
    if (!text) {
      text = this.slides[ this.current ].text;
    }
  
    // If a textarea has been specified,
    // then change the text displayed in it
    if (this.textarea && typeof this.textarea.value != 'undefined') {
      this.textarea.value = text;
    }

    // If a text id has been specified,
    // then change the contents of the HTML element
    if (this.textid) {

      r = this.getElementById(this.textid);
      if (!r) { return false; }
      if (typeof r.innerHTML == 'undefined') { return false; }

      // Update the text
      r.innerHTML = text;
    }
  }


  //--------------------------------------------------
  this.hotlink = function() {
    // This method calls the hotlink() method for the current slide.
  
    this.slides[ this.current ].hotlink();
  }


  //--------------------------------------------------
  this.save_position = function(cookiename) {
    // Saves the position of the FeatureBox in a cookie,
    // so when you return to this page, the position in the FeatureBox
    // won't be lost.
  
    if (!cookiename) {
      cookiename = this.name + '_FeatureBox';
    }
  
    document.cookie = cookiename + '=' + this.current;
  }


  //--------------------------------------------------
  this.restore_position = function(cookiename) {
  // If you previously called FeatureBox_save_position(),
  // returns the FeatureBox to the previous state.
  
    //Get cookie code by Shelley Powers
  
    if (!cookiename) {
      cookiename = this.name + '_FeatureBox';
    }
  
    var search = cookiename + "=";
  
    if (document.cookie.length > 0) {
      offset = document.cookie.indexOf(search);
      // if cookie exists
      if (offset != -1) { 
        offset += search.length;
        // set index of beginning of value
        end = document.cookie.indexOf(";", offset);
        // set index of end of cookie value
        if (end == -1) end = document.cookie.length;
        this.current = parseInt(unescape(document.cookie.substring(offset, end)));
        }
     }
  }


  //--------------------------------------------------
  this.noscript = function() {
    // This method is not for use as part of your FeatureBox,
    // but you can call it to get a plain HTML version of the FeatureBox
    // images and text.
    // You should copy the HTML and put it within a NOSCRIPT element, to
    // give non-javascript browsers access to your FeatureBox information.
    // This also ensures that your FeatureBox text and images are indexed
    // by search engines.
  
    $html = "\n";
  
    // Loop through all the slides in the FeatureBox
    for (i=0; i < this.slides.length; i++) {
  
      slide = this.slides[i];
  
      $html += '<P>';
  
      if (slide.link) {
        $html += '<a href="' + slide.link + '">';
      }
  
      $html += '<img src="' + slide.src + '" ALT="FeatureBox image">';
  
      if (slide.link) {
        $html += "<\/a>";
      }
  
      if (slide.text) {
        $html += "<BR>\n" + slide.text;
      }
  
      $html += "<\/P>" + "\n\n";
    }
  
    // Make the HTML browser-safe
    $html = $html.replace(/\&/g, "&amp;" );
    $html = $html.replace(/</g, "&lt;" );
    $html = $html.replace(/>/g, "&gt;" );
  
    return('<pre>' + $html + '</pre>');
  }


  //==================================================
  // Private methods
  //==================================================

  //--------------------------------------------------
  this.loop = function() {
    // This method is for internal use only.
    // This method gets called automatically by a JavaScript timeout.
    // It advances to the next slide, then sets the next timeout.
    // If the next slide image has not completed loading yet,
    // then do not advance to the next slide yet.
    // Make sure the next slide image has finished loading
    if (this.current < this.slides.length - 1) {
      next_slide = this.slides[this.current + 1];
      if (next_slide.image.complete == null || next_slide.image.complete) {
        this.nextN(true);
      }
    } else { // we're at the last slide
      this.goto_slide(0); //added by lou to loop back to first slide and stop.
      this.nextN(true);
      return; //added by Lou to prevent flickering      
    }

    // Keep playing the FeatureBox
    this.play( );
    
    //this is what will cause skipping multiple slides at a time.
    //I added this for IE7 but could not figure out why this occurred.  Might be a vista/IE7 issue?
    if (navigator.appName == 'Microsoft Internet Explorer') {
       this.nextN();
    }
  }


  //--------------------------------------------------
  this.valid_image = function() {
    // Returns 1 if a valid image has been set for the FeatureBox
  
    if (!this.image)
    {
      return false;
    }
    else {
      return true;
    }
  }

  //--------------------------------------------------
  this.getElementById = function(element_id) {
    // This method returns the element corresponding to the id

    if (document.getElementById) {
      return document.getElementById(element_id);
    }
    else if (document.all) {
      return document.all[element_id];
    }
    else if (document.layers) {
      return document.layers[element_id];
    } else {
      return undefined;
    }
  }
  

  //==================================================
  // Deprecated methods
  // I don't recommend the use of the following methods,
  // but they are included for backward compatibility.
  // You can delete them if you don't need them.
  //==================================================

  //--------------------------------------------------
  this.set_image = function(imageobject) {
    // This method is deprecated; you should use
    // the following code instead:
    // s.image = document.images.myimagename;
    // s.update();

    if (!document.images)
      return;
    this.image = imageobject;
  }

  //--------------------------------------------------
  this.set_textarea = function(textareaobject) {
    // This method is deprecated; you should use
    // the following code instead:
    // s.textarea = document.form.textareaname;
    // s.update();

    this.textarea = textareaobject;
    this.display_text();
  }

  //--------------------------------------------------
  this.set_textid = function(textidstr) {
    // This method is deprecated; you should use
    // the following code instead:
    // s.textid = "mytextid";
    // s.update();

    this.textid = textidstr;
    this.display_text();
  }
}
