var slideshow_start_mode  = false; 
    var autostart_slideshow = true;  
    var rewind_slideshow = true;  
    var display_slideshow_control_panel = false;  
    var slide_transition_time = 1000;  
    var slide_viewing_time = 6000;  
    var slideshow_control_icons = new Array();  
    slideshow_control_icons['play']  	= 'http://upload.wikimedia.org/wikipedia/commons/2/20/Control_play.png';  
    slideshow_control_icons['pause'] 	= 'http://upload.wikimedia.org/wikipedia/commons/0/09/Control_pause.png';     
	function start_slideshow() {  
	   slideshow_start_mode = true;  
	   interval = setInterval(show_next_slide, slide_viewing_time );  
	}  
	function show_next_slide(){  
	   $('#rightControl').click();  
	}  
	function pause_slideshow() {  
	   slideshow_start_mode = false;  
		   clearInterval(interval);  
	} 	
	function handle_control_panel_click()
	{
		if(slideshow_start_mode == true)
		{  
			$(this).attr('src',slideshow_control_icons['play']);  
			pause_slideshow();  
		}
		else
		{  
			$(this).attr('src',slideshow_control_icons['pause']);  
			start_slideshow();  
		}  
	}
	function setup_control_panel() 
	{
		$('#slidesContainer').prepend('<img id="slideshow_control_panel" src="" alt="Navigation diaporama" />');  
		var control_panel = $('#slideshow_control_panel');
		if(autostart_slideshow == true)
			control_panel.attr('src',slideshow_control_icons['pause']);  
		else
			control_panel.attr('src',slideshow_control_icons['play']);    
		control_panel.bind('click', handle_control_panel_click);
	}
$(document).ready(function(){
  var currentPosition = 0;
  var slideWidth = 960;
  var slides = $('.slide');
  var numberOfSlides = slides.length;
  var interval;  
  $('#slidesContainer').css('overflow', 'hidden');
  slides
    .wrapAll('<div id="slideInner"></div>')
	.css({
      'float' : 'left',
      'width' : slideWidth
    });
  $('#slideInner').css('width', slideWidth * numberOfSlides);
  $('#slideshow')
    .prepend('<span class="control" id="leftControl">Clicking moves left</span>')
    .append('<span class="control" id="rightControl">Clicking moves right</span>');
  manageControls(currentPosition,numberOfSlides);
    if(display_slideshow_control_panel == true)
		setup_control_panel();
  $('.control')
    .bind('click', function(){
	currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
		if(currentPosition == numberOfSlides && rewind_slideshow == false )
		{  
             currentPosition--;  
             pause_slideshow();  
        } 
    manageControls(currentPosition);
    $('#slideInner').animate({
      'marginLeft' : slideWidth*(-currentPosition)
    },slide_transition_time);
  });
	if(autostart_slideshow == true){  
		start_slideshow();  
	}
  function manageControls(position){
	if(position==0){ $('#leftControl').hide() } else{ $('#leftControl').show() }
		if(position==numberOfSlides-1 && rewind_slideshow == false)
		{
			$('#rightControl').hide();
		} else {
			$('#rightControl').show();
		}
		if(position == numberOfSlides && rewind_slideshow == true){
			currentPosition = 0;
			 $('#leftControl').hide();
		}
  }	
});