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();
  
}

  
this.loaded = false;

  
this.load = function() {
  
	if (!document.images) { return; }

    
	if (!this.loaded) {
     
		this.image.src = this.src;
      
		this.loaded = true;
    
	}
  
}

this.hotlink = function() {
 
	var mywindow;

 
	if (!this.link) return;
	if (this.target) {

  
		if (this.attr) {
        
			mywindow = window.open(this.link, this.target, this.attr);
  
      
			} else {

			mywindow = window.open(this.link, this.target);
      
			}

    
	if (mywindow && mywindow.focus) mywindow.focus();

    
		} else {
     
		location.href = this.link;
    
		}
  
	}

}
function slideshow( slideshowname ) {
  
	this.name = slideshowname;

  
	this.repeat = true;

  
	this.prefetch = -1;

 
	this.image;


	this.textid;


	this.textarea;
	this.timeout = 5000;
	this.slides = new Array();
  
	this.current = 0;
  
	this.timeoutid = 0;

  
this.add_slide = function(slide) {
 
	var i = this.slides.length;
	if (this.prefetch == -1) {
      
		slide.load();
    
	}

    
	this.slides[i] = slide;
  
}

 
this.play = function(timeout) {

	this.pause();
  
    	if (timeout) {
      
		this.timeout = timeout;
    
	}

	if (typeof this.slides[ this.current ].timeout != 'undefined') {
      
		timeout = this.slides[ this.current ].timeout;
    
	} else {
      
		timeout = this.timeout;
    
	}

 
	this.timeoutid = setTimeout( this.name + ".loop()", timeout);
  
}

 this.pause = function() {
 	
	if (this.timeoutid != 0) {

      
		clearTimeout(this.timeoutid);
      
		this.timeoutid = 0;

    
	}
  
}

  this.update = function() {
    
	if (! this.valid_image()) { return; }
	
	if (typeof this.pre_update_hook == 'function') {
      
		this.pre_update_hook();
    	}


	var slide = this.slides[ this.current ];

    	
	var dofilter = false;
    
	if (this.image &&
        
			typeof this.image.filters != 'undefined' &&
        
			typeof this.image.filters[0] != 'undefined') {

      
		dofilter = true;

    
	}

    
	slide.load();
  
    
	if (dofilter) {

     
		if (slide.filter &&
          
				this.image.style &&
          
				this.image.style.filter) {

        			
			this.image.style.filter = slide.filter;

    
		}
      
		this.image.filters[0].Apply();
    
	}

 
	this.image.src = slide.image.src;

 
	if (dofilter) {
      
		this.image.filters[0].Play();
    
	}

  
	this.display_text();


	if (typeof this.post_update_hook == 'function') {
      
		this.post_update_hook();
    
	}

  
	if (this.prefetch > 0) {

      
		var next, prev, count;

  
		next = this.current;
     		prev = this.current;
      
		count = 0;
      
		do {

    
			if (++next >= this.slides.length) next = 0;
        
			if (--prev < 0) prev = this.slides.length - 1;

   
			this.slides[next].load();
        
			this.slides[prev].load();

        
		} while (++count < this.prefetch);
   
	}
  
}

  this.goto_slide = function(n) {
 
	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) {
  
	var i;


	if (this.slides.length > 1) {

 
		do {
        
			i = Math.floor(Math.random()*this.slides.length);
      		} while (i == this.current);
		this.goto_slide(i);
    
	}
  
}


  this.next = function() {
   
	if (this.current < this.slides.length - 1) {
      
		this.current++;
    
	} else if (this.repeat) {
      		this.current = 0;
    
	}

    this.update();
  
}


 
this.previous = function() {
    	if (this.current > 0) {
      
		this.current--;
    
	} else if (this.repeat) {
      
		this.current = this.slides.length - 1;
    
	}
  
    this.update();
  
}


  
this.shuffle = function() {
  
	var i, i2, slides_copy, slides_randomized;

   
	slides_copy = new Array();
    
	for (i = 0; i < this.slides.length; i++) {
      
		slides_copy[i] = this.slides[i];
    
	}

  
	slides_randomized = new Array();

 
	do {

  
		i = Math.floor(Math.random()*slides_copy.length);

 
		slides_randomized[ slides_randomized.length ] =
        
			slides_copy[i];

 
		for (i2 = i + 1; i2 < slides_copy.length; i2++) {
        
			slides_copy[i2 - 1] = slides_copy[i2];
      
		}
      
		slides_copy.length--;

    
	} 
	while (slides_copy.length);

 
	this.slides = slides_randomized;
  
}


 
this.get_text = function() {
   
	return(this.slides[ this.current ].text);
  
}



this.get_all_text = function(before_slide, after_slide) {
 
	all_text = "";
 
	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) {
    
	if (!text) {
      
		text = this.slides[ this.current ].text;
    
	}
  
 
	if (this.textarea && typeof this.textarea.value != 'undefined') {
      
		this.textarea.value = text;
    
	}

  
	if (this.textid) {

      
		r = this.getElementById(this.textid);
      
		if (!r) { return false; }
      
		if (typeof r.innerHTML == 'undefined') { 
			return false; 
		}

  
		r.innerHTML = text;
    
	}
  
}



this.hotlink = function() {
 
	this.slides[ this.current ].hotlink();
  
}



this.save_position = function(cookiename) {
 
	if (!cookiename) {
      
		cookiename = this.name + '_slideshow';
    
	}
  
    document.cookie = cookiename + '=' + this.current;
  
}
this.restore_position = function(cookiename) {
  
	if (!cookiename) {
      
		cookiename = this.name + '_slideshow';
    
	}
  
    var search = cookiename + "=";
  
    
	if (document.cookie.length > 0) {
      
		offset = document.cookie.indexOf(search);
   
		if (offset != -1) { 
        
			offset += search.length;
    
			end = document.cookie.indexOf(";", offset);
  
			if (end == -1) end = document.cookie.length;
        
			this.current = parseInt(unescape(document.cookie.substring(offset, end)));
       
		}
     
	}
  
}


 
this.noscript = function() {
 
	$html = "\n";
 
	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";
    
	}
  
	$html = $html.replace(/\&/g, "&amp;" );
    
	$html = $html.replace(/</g, "&lt;" );
    
	$html = $html.replace(/>/g, "&gt;" );
  
    
	return('<pre>' + $html + '</pre>');
  
}



this.loop = function() {
  
	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 { 
		this.next();
    
	}
 
	this.play( );
  
}


 
this.valid_image = function() {
  
	if (!this.image)
    {
      
		return false;
    
	}
    
	else {
      
		return true;
    
	}
  
}


this.getElementById = function(element_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();
  
	}

}