/**
* @author    Kyle Hengst <kyle@cyberdesignworks.com.au>
*/
(function($)
	{

		$.fn.jSlideshow = function(settings)
			{

				settings = jQuery.extend({
					delay: 5,
					rand: false,
					indicators: ''
				}, settings);

				this.each(function()
				{
					var scope = $(this);
					var interval = null;
					var index = 0;
					var logos = scope.children();
					var total = logos.length;
					var debug = '';
					var indicators = null;
					
					// indicators
					if(settings.indicators!='')
					{
						indicators = $(settings.indicators);
						$('li',indicators).click(function(){

							var p = $(this).parent();
							var i = $('li',p).index(this);
							stop();
							go(i);
							loop();
							return false;
							
						});
					}
					
					// capture indices
					var indices = new Array();
					for(i=0;i<total;i++)
						indices.push(i);
					
					// sort slides randomly
					if(settings.rand)
						indices.sort(function(){ return (Math.round(Math.random())-0.5);});


					// set all logos to transparent
					$("a",scope).hide();

					// loop
					function loop()
					{
						interval = setInterval(
							function(){go()},
							settings.delay*1000
						);
					}
					
					function stop()
					{
						clearInterval(interval);
					}

					// interval function
					function go(n)
					{
						hide(index);
						
						if(n!=undefined)
						{
							index = n;
						}
						else
						{
							index++;
							if(index>=total)
								index = 0;
						}
							
						show(index);
					}

					function hide(child_index)
					{
						var child = $("a",scope).eq(indices[child_index]);
						child.fadeOut('slow');
					}

					function show(child_index)
					{
						var child = $("a",scope).eq(indices[child_index]);
						child.fadeIn('slow');
						
						// indicators
						if(indicators)
						{
							$('a',indicators).removeClass('selected');
							var indicator = $('a',indicators).eq(indices[child_index]);
							indicator.addClass('selected');
						}						
					}
					
					function alert_test(n)
					{
						alert(n);	
					}
					
					loop();
					show(0);

				})

			} // close slidingPanels

	})(jQuery);