/* Code merged from preloadImages.js, dw_cookies.js, dw_sizerdx.js, dw_init.js,  floatbutton.js, slideshow.js */



/* Code Orginally from preloadImages.js */
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


/* Code Orginally from dw_cookies.js */
function setCookie(name,value,days,path,domain,secure) {
  var expires, date;
  if (typeof days == "number") {
    date = new Date();
    date.setTime( date.getTime() + (days*24*60*60*1000) );
		expires = date.toGMTString();
  }
  document.cookie = name + "=" + escape(value) +
    ((expires) ? "; expires=" + expires : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
}

function getCookie(name) {
  var nameq = name + "=";
  var c_ar = document.cookie.split(';');
  for (var i=0; i<c_ar.length; i++) {
    var c = c_ar[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameq) == 0) return unescape( c.substring(nameq.length, c.length) );
  }
  return null;
}

function deleteCookie(name,path,domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

/* Code Originally from dw_sizerdx.js */
/*
    dw_sizerdx.js version date: Feb 2006
    requires dw_cookies.js
    
    Feb 2006 Revisions: add queryName property (fix major oops for PHP compatibility)
    all global modifier to trim method re (another oops fixed)
    
    Mar 2005 Revisions: added setDefaults method, 
    set method now accepts array of selectors,
    reset fn now sets adjustList el's font-sizes to empty string,
    fixed bugs in dw_getElementsBySelector fn
*/


var dw_fontSizerDX = {
    sizeUnit:       "px",
    defaultSize:    12,
    maxSize:        18,
    minSize:        11,
    queryName:      "dw_fsz",   // name to check query string for when passing size in URL
    queryNum:       true,       // check query string for number only (eg. index.html?18 )
    adjustList:     [],         // set method populates

    setDefaults: function(unit, dflt, mn, mx, sels) {
        this.sizeUnit = unit;       this.defaultSize = dflt;
        this.maxSize = mx;          this.minSize = mn;
        if (sels) this.set(dflt, mn, mx, sels);
    },

    set: function (dflt, mn, mx, sels) { 
        var ln = this.adjustList.length;        
        for (var i=0; sels[i]; i++) {
            this.adjustList[ln+i] = [];
            this.adjustList[ln+i]["sel"]  = sels[i];
            this.adjustList[ln+i]["dflt"] = dflt;
            this.adjustList[ln+i]["min"]   = mn || this.minSize;
            this.adjustList[ln+i]["max"]   = mx || this.maxSize;
            // hold ratio of this selector's default size to this.defaultSize for calcs in adjust fn 
            this.adjustList[ln+i]["ratio"] = this.adjustList[ln+i]["dflt"] / this.defaultSize;
        }
    },

    init: function() {
        if ( !document.getElementById || !document.getElementsByTagName ) return;
        var size, sizerEl, i;
        // check query string and cookie for fontSize
        // check size (in case default unit changed or size passed in url out of range)
        size = getValueFromQueryString( this.queryName, this.queryNum );
        if ( isNaN( parseFloat(size) ) || size > this.maxSize || size < this.minSize ) {
            size = getCookie("fontSize");
            if ( isNaN( parseFloat(size) ) || size > this.maxSize || size < this.minSize ) {
                size = this.defaultSize;
            }
        } 
        this.curSize = this.defaultSize;  // create curSize property to use in calculations 
        sizerEl = document.getElementById('sizer');
        if (sizerEl) sizerEl.style.display = "block";
        // if neither set nor setDefaults populates adjustList, apply sizes to body and td's
        if (this.adjustList.length == 0) {
            this.setDefaults( this.sizeUnit, this.defaultSize, this.minSize, this.maxSize, ['font','a.H2','a.menu1','a.menu2','a.menu3','a.menu4','a.menu5','a.menu6','a.menu7','a.Body','a.li','.li','a.tab_bullet','.body','.page_title','.header','.subheader','.caption','a.breadcrumb','a.footer','a.flexmenu_learnmore','a.flexmenu_services','a.ekflexmenu'] );
        }
        if ( size != this.defaultSize ) this.adjust( size - this.defaultSize );
    },

    adjust: function(n) {
        if ( !this.curSize ) return; 
        var alist, size, list, i, j;
        // check against max/minSize
        if ( n > 0 ) {
            if ( this.curSize + n > this.maxSize ) n = this.maxSize - this.curSize;
        } else if ( n < 0 ) {
            if ( this.curSize + n < this.minSize ) n = this.minSize - this.curSize;
        }
        if ( n == 0 ) return;
        this.curSize += n;
        // loop through adjustList, calculating size, checking max/min
        alist = this.adjustList;
        for (i=0; alist[i]; i++) {
            size = this.curSize * alist[i]['ratio']; // maintain proportion 
            size = Math.max(alist[i]['min'], size); size = Math.min(alist[i]['max'], size);
            list = dw_getElementsBySelector( alist[i]['sel'] );
            for (j=0; list[j]; j++) { list[j].style.fontSize = size + this.sizeUnit; }
        }
        setCookie( "fontSize", this.curSize, 180, "/" );
    },

    reset: function() {
        if ( !this.curSize ) return; 
        var alist = this.adjustList, list, i, j;
        for (i=0; alist[i]; i++) {
            list = dw_getElementsBySelector( alist[i]['sel'] );
            for (j=0; list[j]; j++) { 
                // Reset adjustList elements to their default sizes
                //list[j].style.fontSize = alist[i]['dflt'] + this.sizeUnit;
                list[j].style.fontSize = '';  // restores original font size
            } 
        }
        this.curSize = this.defaultSize;
        deleteCookie("fontSize", "/");
    }

};

// resource: simon.incutio.com/archive/2003/03/25/getElementsBySelector
function dw_getElementsBySelector(selector) {
    if (!document.getElementsByTagName) return [];
    var nodeList = [document], tokens, bits, list, col, els, i, j, k;
    selector = selector.normalize();
    tokens = selector.split(' ');
    for (i=0; tokens[i]; i++) {
        if ( tokens[i].indexOf('#') != -1 ) {  // id
            bits = tokens[i].split('#'); 
            var el = document.getElementById( bits[1] );
            if (!el) return []; 
            if ( bits[0] ) {  // check tag
                if ( el.tagName.toLowerCase() != bits[0].toLowerCase() ) return [];
            }
            for (j=0; nodeList[j]; j++) {  // check containment
                if ( nodeList[j] == document || dw_contained(el, nodeList[j]) ) 
                    nodeList = [el];
                else return [];
            }
        } else if ( tokens[i].indexOf('.') != -1 ) {  // class
            bits = tokens[i].split('.'); col = [];
            for (j=0; nodeList[j]; j++) {
                els = dw_getElementsByClassName( bits[1], bits[0], nodeList[j] );
                for (k=0; els[k]; k++) { col[col.length] = els[k]; }
            }
            nodeList = [];
            for (j=0; col[j]; j++) { nodeList.push(col[j]); }
        } else {  // element 
            els = []; 
            for (j = 0; nodeList[j]; j++) {
                list = nodeList[j].getElementsByTagName(tokens[i]);
                for (k = 0; list[k]; k++) { els.push(list[k]); }
            }
            nodeList = els;
        }
    }
    return nodeList;
};

function dw_getElementsByClassName(sClass, sTag, oCont) {
    var result = [], list, i;
    var re = new RegExp("\\b" + sClass + "\\b", "i");
    oCont = oCont? oCont: document;
    if ( document.getElementsByTagName ) {
        if ( !sTag || sTag == "*" ) {
            list = oCont.all? oCont.all: oCont.getElementsByTagName("*");
        } else {
            list = oCont.getElementsByTagName(sTag);
        }
        for (i=0; list[i]; i++) 
            if ( re.test( list[i].className ) ) result.push( list[i] );
    }
    return result;
};

// 2nd arg: return whole query string if varName not found?
// (compatible with previous version, which just checked for number after ?)
function getValueFromQueryString(varName, bReturn) {
    var val = "";
    if (window.location.search) {
        var qStr = window.location.search.slice(1);
        var ar = qStr.split("&");
        var get = [], ar2;
        // portion before = becomes index (like $_GET)
        for (var i=0; ar[i]; i++) {
            if ( ar[i].indexOf("=") != -1 ) {
                ar2 = ar[i].split("=");
                get[ ar2[0] ] = ar2[1];
            }
        }
        val = get[varName];
        // if varName is not passed to this function or not found, return entire query string ?      
        if ( !val && bReturn ) {
            val = qStr;
        }
    }
    return val;
};

// returns true of oNode is contained by oCont (container)
function dw_contained(oNode, oCont) {
    if (!oNode) return; // in case alt-tab away while hovering (prevent error)
    while ( oNode = oNode.parentNode ) if ( oNode == oCont ) return true;
    return false;
};

if (!Array.prototype.push) {  // ie5.0
	Array.prototype.push =  function() {
		for (var i=0; arguments[i]; i++) this[this.length] = arguments[i];
		return this[this.length-1]; // return last value appended
	}
};

String.prototype.normalize = function() {
	var re = /\s\s+/g;
	return this.trim().replace(re, " ");
};

String.prototype.trim = function() {
	var re = /^\s+|\s+$/g;
	return this.replace(re, "");
};


/* Code Orginally from dw_init.js */
dw_fontSizerDX.init();

/* Code Orginally from floatbutton.js */
function floatButton ()
{
    if (window.length > 0) return; // don't show button if iframe on page
	if (document.all)
	{
		document.all.topButton.style.pixelTop = f_scrollBottom()- 30;
	}
	else if (document.layers)
	{
		document.topButton.top = window.pageYOffset;
	}
	else if (document.getElementById)
	{
	    if(document.getElementById('topButton'))
	    {
		    document.getElementById('topButton').style.top = window.pageYOffset + 'px';
		}
  	 }
    if (document.getElementById) // all modern browsers support getElementById now
	{
	    if(document.getElementById('topButton'))
	    {
	        if (document.body.clientHeight > document.body.scrollHeight)
	        {
		        document.getElementById('topButton').style.visibility = 'hidden';
	        }
	        else
	        {
		        document.getElementById('topButton').style.visibility = 'visible';
	        }
	    }
	}
}

if (document.all)
{
	window.onscroll = floatButton;
	window.onresize = floatButton;
}
else
{
	setInterval ('floatButton()', 100);
}

function initButton ()
{
	if (document.all)
	{
		document.all.topButton.style.pixelLeft = document.body.clientWidth - document.all.topButton.offsetWidth;
		document.all.topButton.style.pixelTop = document.body.clientHeight - 15;
	}
	else if (document.layers)
	{
		document.topButton.left = window.innerWidth - document.topButton.clip.width - 15;
	}
	else if (document.getElementById)
	{
		document.getElementById('topButton').style.left = (window.innerWidth - 35) + 'px';
	}
}

function f_scrollTop() 
{
	return f_filterResults (
		window.pageYOffset ? window.pageYOffset : 0,
		document.documentElement ? document.documentElement.scrollTop : 0,
		document.body ? document.body.scrollTop : 0
	);
}

function f_scrollBottom() 
{
	return f_filterResults (
		window.pageYOffset ? window.innerHeight + window.pageYOffset: 0,
		document.documentElement ? document.documentElement.clientHeight + document.documentElement.scrollTop  : 0,
		document.body ? document.body.scrollTop : 0
	);
}
	
	
function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}

/* Code Orginally from slideshow.js */
//==================================================
// slide object
//==================================================
function slide(src,link,text,target,attr,title) {
  // 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;
  
  // ALT tag
  this.title = title;

  // 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 = 3000

  // 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;
    }
  }
}

//==================================================
// 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 = 8000;

  // 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="'+slide.title+'">';
  
      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();
  }
}