Template:SCU-head

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<html>
<html>
 +
 +
<HEAD>
 +
<TITLE>JavaScript Slideshow Template</TITLE>
 +
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
 +
<SCRIPT TYPE="text/javascript" >
 +
<!--
 +
 +
 +
function slide(src,link,text,target,attr) {
 +
 
 +
  this.src = src;
 +
 +
 +
  this.link = link;
 +
 +
 +
  this.text = text;
 +
 +
 +
  this.target = target;
 +
 +
 
 +
  this.attr = attr;
 +
 +
 
 +
  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;
 +
    }
 +
  }
 +
}
 +
 +
//==================================================
 +
// slideshow object
 +
//==================================================
 +
function slideshow( slideshowname ) {
 +
  // This is the constructor function for the slideshow object.
 +
  // It is called automatically when you create a new object.
 +
  // For example:
 +
  // ss = new slideshow("ss");
 +
 +
  // Name of this object
 +
  // (required if you want your slideshow to auto-play)
 +
  // For example, "SLIDES1"
 +
  this.name = slideshowname;
 +
 +
  // When we reach the last slide, should we loop around to start the
 +
  // slideshow again?
 +
  this.repeat = true;
 +
 +
  // 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 slideshow 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 = 3000;
 +
 +
  // 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 slideshow.
 +
    // 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.play = function(timeout) {
 +
    // This method implements the automatically running slideshow.
 +
    // If you specify the "timeout" argument, then a new default
 +
    // timeout will be set for the slideshow.
 +
 
 +
    // 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 slideshow if it is automatically running.
 +
 
 +
    if (this.timeoutid != 0) {
 +
 +
      clearTimeout(this.timeoutid);
 +
      this.timeoutid = 0;
 +
 +
    }
 +
  }
 +
 +
  //--------------------------------------------------
 +
  this.update = function() {
 +
    // This method updates the slideshow image on the page
 +
 +
    // Make sure the slideshow 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;
 +
    if (this.image &&
 +
        typeof this.image.filters != 'undefined' &&
 +
        typeof this.image.filters[0] != 'undefined') {
 +
 +
      dofilter = true;
 +
 +
    }
 +
 +
    // Load the slide image if necessary
 +
    slide.load();
 +
 
 +
    // Apply the filters for the image transition
 +
    if (dofilter) {
 +
 +
      // If the user has specified a custom filter for this slide,
 +
      // then set it now
 +
      if (slide.filter &&
 +
          this.image.style &&
 +
          this.image.style.filter) {
 +
 +
        this.image.style.filter = slide.filter;
 +
 +
      }
 +
      this.image.filters[0].Apply();
 +
    }
 +
 +
    // 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 slideshow 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 slideshow.
 +
    // Examples:
 +
    // onClick="myslides.goto_slide(0)"
 +
    // onClick="myslides.goto_slide(-1)"
 +
    // onClick="myslides.goto_slide(5)"
 +
 
 +
    if (n == -1) {
 +
      n = this.slides.length - 1;
 +
    }
 +
 
 +
    if (n < this.slides.length && n >= 0) {
 +
      this.current = n;
 +
    }
 +
 
 +
    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.next = function() {
 +
    // This method advances to the next slide.
 +
 +
    // Increment the image number
 +
    if (this.current < this.slides.length - 1) {
 +
      this.current++;
 +
    } else if (this.repeat) {
 +
      this.current = 0;
 +
    }
 +
 +
    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;
 +
    }
 +
 
 +
    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 slideshow
 +
    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 slideshow
 +
    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 slideshow in a cookie,
 +
    // so when you return to this page, the position in the slideshow
 +
    // won't be lost.
 +
 
 +
    if (!cookiename) {
 +
      cookiename = this.name + '_slideshow';
 +
    }
 +
 
 +
    document.cookie = cookiename + '=' + this.current;
 +
  }
 +
 +
 +
  //--------------------------------------------------
 +
  this.restore_position = function(cookiename) {
 +
  // If you previously called slideshow_save_position(),
 +
  // returns the slideshow to the previous state.
 +
 
 +
    //Get cookie code by Shelley Powers
 +
 
 +
    if (!cookiename) {
 +
      cookiename = this.name + '_slideshow';
 +
    }
 +
 
 +
    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 slideshow,
 +
    // but you can call it to get a plain HTML version of the slideshow
 +
    // images and text.
 +
    // You should copy the HTML and put it within a NOSCRIPT element, to
 +
    // give non-javascript browsers access to your slideshow information.
 +
    // This also ensures that your slideshow text and images are indexed
 +
    // by search engines.
 +
 
 +
    $html = "\n";
 +
 
 +
    // Loop through all the slides in the slideshow
 +
    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="slideshow 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.next();
 +
      }
 +
    } else { // we're at the last slide
 +
      this.next();
 +
    }
 +
   
 +
    // Keep playing the slideshow
 +
    this.play( );
 +
  }
 +
 +
 +
  //--------------------------------------------------
 +
  this.valid_image = function() {
 +
    // Returns 1 if a valid image has been set for the slideshow
 +
 
 +
    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();
 +
  }
 +
}
 +
 +
// -->
 +
</SCRIPT>
 +
 +
<SCRIPT TYPE="text/javascript">
 +
<!--
 +
SLIDES = new slideshow("SLIDES");
 +
SLIDES.timeout = 3500;
 +
SLIDES.prefetch = -1;
 +
SLIDES.repeat = true;
 +
s = new slide();
 +
s.src = "https://static.igem.org/mediawiki/2013/9/98/SCU-head-1.jpg";
 +
s.text = unescape("");
 +
s.link = "";
 +
s.target = "";
 +
s.attr = "";
 +
s.filter = "";
 +
SLIDES.add_slide(s);
 +
 +
s = new slide();
 +
s.src = "https://static.igem.org/mediawiki/2013/f/f7/SCU-head-2.jpg";
 +
s.text = unescape("");
 +
s.link = "";
 +
s.target = "";
 +
s.attr = "";
 +
s.filter = "";
 +
SLIDES.add_slide(s);
 +
 +
s = new slide();
 +
s.src = "https://static.igem.org/mediawiki/2013/f/fb/SCU-head-3.jpg";
 +
s.text = unescape("");
 +
s.link = "";
 +
s.target = "";
 +
s.attr = "";
 +
s.filter = "";
 +
SLIDES.add_slide(s);
 +
 +
s = new slide();
 +
s.src = "https://static.igem.org/mediawiki/2013/7/72/SCU-head-4.jpg";
 +
s.text = unescape("");
 +
s.link = "";
 +
s.target = "";
 +
s.attr = "";
 +
s.filter = "";
 +
SLIDES.add_slide(s);
 +
 +
if (false) SLIDES.shuffle();
 +
//-->
 +
</SCRIPT>
 +
 +
 +
<P>
 +
<DIV ID="SLIDESTEXT">
 +
 +
<SCRIPT type="text/javascript">
 +
<!--
 +
// For browsers that cannot change the HTML on the page,
 +
// display all of the text from the slideshow.
 +
// I place this within the DIV, so browers won't see it
 +
// if they can change the DIV.
 +
nodivtext = SLIDES.get_all_text("<li>", "<p>\n");
 +
if (nodivtext) {
 +
  document.write("<UL>\n" + nodivtext + "\n</UL>");
 +
}
 +
//-->
 +
</SCRIPT>
 +
 +
</DIV>
 +
 +
<BODY ONLOAD="SLIDES.restore_position('SS_POSITION');SLIDES.update();" ONUNLOAD="SLIDES.save_position('SS_POSITION');">
 +
<P>
 +
<a href=javascript:SLIDES.hotlink()><img name="SLIDESIMG" src="https://static.igem.org/mediawiki/2013/9/98/SCU-head-1.jpg" STYLE="filter:progid:DXImageTransform.Microsoft.Fade()" BORDER=0 alt="Slideshow image"></A>
 +
<SCRIPT type=text/javascript>
 +
<!--
 +
if (document.images) {
 +
SLIDES.image = document.images.SLIDESIMG;
 +
SLIDES.textid = SLIDESTEXT;
 +
SLIDES.update();
 +
SLIDES.play();
 +
}
 +
//-->
 +
</SCRIPT>
 +
 +
<BR CLEAR=all>
 +
 +
<NOSCRIPT>
 +
<HR>
 +
Since your web browser does not support JavaScript,
 +
here is a non-JavaScript version of the image slideshow:
 +
<P>
 +
<P>
 +
<IMG SRC=https://static.igem.org/mediawiki/2013/9/98/SCU-head-1.jpg ALT=slideshow image><BR>
 +
<IMG SRC=https://static.igem.org/mediawiki/2013/f/f7/SCU-head-2.jpg ALT=slideshow image><BR>
 +
<IMG SRC=https://static.igem.org/mediawiki/2013/f/fb/SCU-head-3.jpg ALT=slideshow image><BR>
 +
<IMG SRC=https://static.igem.org/mediawiki/2013/7/72/SCU-head-4.jpg ALT=slideshow image><BR>
 +
</P>
 +
<HR>
 +
 +
</NOSCRIPT>
 +
</body>
 +
 +
 +
<head>
<head>
<style>
<style>

Revision as of 04:04, 17 August 2013

JavaScript Slideshow Template

Slideshow image

Since your web browser does not support JavaScript, here is a non-JavaScript version of the image slideshow:

slideshow
slideshow
slideshow
slideshow

Retrieved from "http://2013.igem.org/Template:SCU-head"