var cancel_sub = false;
var fix_img = "";
var fix_position = "";
var sub_timeout = "";
var successfully_cancelled = false;

function bg_selection(current_position)
	{
    	var bg_array = new Array("/images/page/large_380.jpg","/images/page/large_381.jpg","/images/page/large_382.jpg","/images/page/large_383.jpg","/images/page/large_384.jpg","/images/page/large_385.jpg","/images/page/large_386.jpg","/images/page/large_387.jpg","/images/page/large_388.jpg");
    var alts_array = new Array("","","","","","","","","");
    var titles_array = new Array("","","","","","","","","");	
	if(current_position == null)
		{
		current_position = -1;	
		}
	//get the total number of bgs
	var array_len = bg_array.length;
   // alert(array_len);
	current_position++;
	if(current_position >= array_len)
		{
		current_position = 0;	
		}
	//alert(current_position);
	var return_array = new Array();
	return_array["current_position"] = current_position;
	return_array["image_name"] = bg_array[current_position];
    return_array["image_alt"] = alts_array[current_position];
    return_array["image_title"] = titles_array[current_position];
	
	return return_array;
	}

function cancel_substitutions(fix_img_int, fix_pos_int)
	{
    cancel_sub = true;
    fix_img = fix_img_int;
	fix_position = fix_pos_int;
    sub_timeout = "";
    window.clearTimeout(sub_timeout);
    }

function substitute(backgroundImagePath, current_position, current_z_index, backgroundOverlay_remove, alt, title) 
	{
    if(!cancel_sub)
    	{
        if(backgroundImagePath == "")
            {
            current_array = bg_selection(current_position);
            substitute(current_array["image_name"], current_array["current_position"], current_z_index, null, current_array["image_alt"], current_array["image_title"]);	
            //break;
            }
        else
            {
            current_z_index++;
            var imageUrl          = 'url(' + backgroundImagePath + ') center 0px no-repeat';
            //alert(imageUrl );
            var backgroundOverlay = $('background-overlay_' + current_position);
            
            if(backgroundOverlay != null) 
                {
                backgroundOverlay.setStyle('background', imageUrl);
                } 
            else 
                {
                try
                    {
                    tmp_height = $('inner_container').getHeight();
                    }
                catch(err)
                    {
                    tmp_height = "3036";
                    }	
                backgroundOverlay = new Element('div', {
                    'id': 'background-overlay_' + current_position,
                    'style': 'background: ' + imageUrl + '; z-index: '+current_z_index+'; position: absolute; left:0px; top:0px; width: 100%; height:'+tmp_height+'px;'
                });
                backgroundOverlay.setOpacity(0);
                var outerContainer = $('container');
                
                Element.insert($('container'), {'before':backgroundOverlay} );
                new Effect.Fade($('info_bar_left'), 
                                  { 
                                  duration: 0.5,
                                  afterFinish: function() 
                                        { 
                                        $('info_bar_left').innerHTML = "";
                                        }
                                  });
                new Effect.Fade($('info_bar_right'), 
                                  { 
                                  duration: 0.5,
                                  afterFinish: function() 
                                        { 
                                        $('info_bar_right').innerHTML = "";
                                        }
                                  });
                new Effect.Morph($('js_image_gallery_info_bar'), 
                                  { 
                                  style: 'opacity:0.0;filter:alpha(opacity=0)',
                                  duration: 0.5
                                  });
                new Effect.Appear(backgroundOverlay, 
                                  { 
                                  duration: 3.0,
                                  afterFinish: function() 
                                        { 
                                       	//$('info_bar_left').innerHTML = "Test";
                                        //$('info_bar_right').innerHTML = "Test2";
                                        var stylebg = backgroundOverlay.getStyle('background-image');
                                        if(backgroundOverlay_remove != null)
                                            {
                                            backgroundOverlay_remove.remove();
                                            var zminus = backgroundOverlay.getStyle('zIndex') - 1;
                                            backgroundOverlay.setStyle({zIndex: zminus});
                                            }
                                        current_array = bg_selection(current_position);
                                        $('info_bar_left').innerHTML = alt;
                                        $('info_bar_right').innerHTML = title;
                                        new Effect.Morph($('js_image_gallery_info_bar'), 
                                          { 
                                          style: 'opacity:1.0;filter:alpha(opacity=100)',
                                          duration: 0.5,
                                          afterFinish: function() 
                                                { 
                                               new Effect.Appear($('info_bar_left'), 
                                                  { 
                                                  duration: 0.5
                                                  });
                                                new Effect.Appear($('info_bar_right'), 
                                                  { 
                                                  duration: 0.5
                                                  });
                                                }
                                          });
                                        
                                        
                                        
                                        //alert(current_array["image_alt"] + ' ' + current_array["image_title"]);
                                        
                                        sub_timeout = function()
                                            {
                                            substitute(current_array["image_name"], current_array["current_position"], backgroundOverlay.getStyle('z-index'), backgroundOverlay, current_array["image_alt"], current_array["image_title"]);
                                            }
                                        sub_timeout.delay(3);
                                        }
                                    
                                  }
                                  );
                     	}
          
                }
		}
    else
    	{
        sub_timeout = "";
        cancel_sub = false;
        sub_timeout = function()
                {
                tmp = bg_selection(fix_position - 1);
                substitute(fix_img, fix_position, current_z_index, backgroundOverlay_remove, tmp["image_alt"], tmp["image_title"]);
                };
        sub_timeout.delay(0);
        } 
	}