/*

 * jQuery infinitecarousel plugin

 * @author admin@catchmyfame.com - http://www.catchmyfame.com

 * @version 1.0.1

 * @date July 31, 2009

 * @category jQuery plugin

 * @copyright (c) 2009 admin@catchmyfame.com (www.catchmyfame.com)

 * @license CC Attribution-No Derivative Works 3.0 - http://creativecommons.org/licenses/by-nd/3.0/

 */



(function($){

	$.fn.extend({ 

		infiniteCarousel: function(options)

		{

			var defaults = 

			{

				transitionSpeed : 1500,

				displayTime : 6000,

				textholderHeight : .2,

				displayProgressBar : 1

			};

		var options = $.extend(defaults, options);

	

    		return this.each(function() {

    			var randID = Math.round(Math.random()*100000000);

				var o=options;

				var obj = $(this);



				var numImages = $('img', obj).length; // Number of images

				var imgHeight = $('img:first', obj).height();

				var imgWidth = $('img:first', obj).width();

				var autopilot = 1;

			

				$('p', obj).hide(); // Hide any text paragraphs in the carousel

				$(obj).width(imgWidth).height(imgHeight);

			

				// Build progress bar

				if(o.displayProgressBar)

				{

					$(obj).append('<div id="progress'+randID+'" style="position:absolute;bottom:0;background:#bbb;left:'+$(obj).css('paddingLeft')+'"></div>');

					$('#progress'+randID).width(imgWidth).height(5).css('opacity','.0');

				}

			

				// Move last image and stick it on the front

				$(obj).css({'overflow':'hidden','position':'relative'});

				$('li:last', obj).prependTo($('ul', obj));

				$('ul', obj).css('left',-imgWidth+'px');

			/*

				// Build textholder div thats as wide as the carousel and 20%-25% of the height

				$(obj).append('<div id="textholder'+randID+'" class="textholder" style="position:absolute;bottom:0px;margin-bottom:'+-imgHeight*o.textholderHeight+'px;left:'+$(obj).css('paddingLeft')+'"></div>');

				var correctTHWidth = parseInt($('#textholder'+randID).css('paddingTop'));*/

				var correctTHHeight = parseInt($('#textholder'+randID).css('paddingRight'));

				/*

				$('#textholder'+randID).width(imgWidth-(correctTHWidth * 2)).height((imgHeight*o.textholderHeight)-(correctTHHeight * 2)).css({'backgroundColor':'#FFF','opacity':'0.5'});

				showtext($('li:eq(1) p', obj).html());*/

			

				// Prev/next button(img) 

				html = '<div id="btn_rt'+randID+'" style="position:absolute;right:0;top:'+((imgHeight/2)-15)+'px"><a href="javascript:void(0);"><img style="border:none;margin-right:2px" src="/de/images/rt.png" /></a></div>';

				html += '<div id="btn_lt'+randID+'" style="position:absolute;left:0;top:'+((imgHeight/2)-15)+'px"><a href="javascript:void(0);"><img style="border:none;margin-left:2px" src="/de/images/lt.png" /></a></div>';

				$(obj).append(html);

			

				// Pause/play button(img)	

				/*html = '<a href="javascript:void(0);"><img id="pause_btn'+randID+'" src="../images/pause.png" style="position:absolute;top:3px;right:3px;border:none" alt="Pause" /></a>';

				html += '<a href="javascript:void(0);"><img id="play_btn'+randID+'" src="../images/play.png" style="position:absolute;top:3px;right:3px;border:none;display:none;" alt="Play" /></a>';

				$(obj).append(html);

				$('#pause_btn'+randID).css('opacity','.5').hover(function(){$(this).animate({opacity:'1'},250)},function(){$(this).animate({opacity:'.5'},250)});

				$('#pause_btn'+randID).click(function(){

					autopilot = 0;

					$('#progress'+randID).stop().fadeOut();

					clearTimeout(clearInt);

					$('#pause_btn'+randID).fadeOut(250);

					$('#play_btn'+randID).fadeIn(250);

					showminmax();

				});

				$('#play_btn'+randID).css('opacity','.5').hover(function(){$(this).animate({opacity:'1'},250)},function(){$(this).animate({opacity:'.5'},250)});

				$('#play_btn'+randID).click(function(){

					autopilot = 1;

					anim('next');

					$('#play_btn'+randID).hide();

					clearInt=setInterval(function(){anim('next');},o.displayTime+o.transitionSpeed);

					setTimeout(function(){$('#pause_btn'+randID).show();$('#progress'+randID).fadeIn().width(imgWidth).height(5);},o.transitionSpeed);

				});*/

				

				// Left and right arrow image button actions

				$('#btn_rt'+randID).css('opacity','.75').click(function(){

					autopilot = 0;

					$('#progress'+randID).stop().fadeOut();

					anim('next');

					setTimeout(function(){$('#play_btn'+randID).fadeIn(250);},o.transitionSpeed);

					clearTimeout(clearInt);

				}).hover(function(){$(this).animate({opacity:'1'},250)},function(){$(this).animate({opacity:'.75'},250)});

				$('#btn_lt'+randID).css('opacity','.75').click(function(){

					autopilot = 0;

					$('#progress'+randID).stop().fadeOut();

					anim('prev');

					setTimeout(function(){$('#play_btn'+randID).fadeIn(250);},o.transitionSpeed);

					clearTimeout(clearInt);

				}).hover(function(){$(this).animate({opacity:'1'},250)},function(){$(this).animate({opacity:'.75'},250)});

			

				function showtext(t)

				{

					// the text will always be the text of the second list item (if it exists)

					if(t != null)

					{

						$('#textholder'+randID).html(t).animate({marginBottom:'0px'},500); // Raise textholder

						showminmax();

					}

				}

				function showminmax()

				{

						if(!autopilot)

						{

							html = '<img style="position:absolute;top:2px;right:18px;display:none;cursor:pointer" src="../images/down.png" title="Minimize" alt="minimize" id="min" /><img style="position:absolute;top:2px;right:18px;display:none;cursor:pointer" src="../images/up.png" title="Maximize" alt="maximize" id="max" />';

							html += '<img style="position:absolute;top:2px;right:6px;display:none;cursor:pointer" src="../images/close.png" title="Close" alt="close" id="close" />';

							$('#textholder'+randID).append(html);

							$('#min').fadeIn(250).click(function(){$('#textholder'+randID).animate({marginBottom:(-imgHeight*o.textholderHeight)-(correctTHHeight * 2)+24+'px'},500,function(){$("#min,#max").toggle();});});

							$('#max').click(function(){$('#textholder'+randID).animate({marginBottom:'0px'},500,function(){$("#min,#max").toggle();});});

							$('#close').fadeIn(250).click(function(){$('#textholder'+randID).animate({marginBottom:(-imgHeight*o.textholderHeight)-(correctTHHeight * 2)+'px'},500);});

						}

				}

				function anim(direction)

				{

					// Fade left/right arrows out when transitioning

					$('#btn_rt'+randID).fadeOut(500);

					$('#btn_lt'+randID).fadeOut(500);

					

					// animate textholder out of frame

					$('#textholder'+randID).animate({marginBottom:(-imgHeight*o.textholderHeight)-(correctTHHeight * 2)+'px'},500);					



					//?? Fade out play/pause?

					$('#pause_btn'+randID).fadeOut(250);

					$('#play_btn'+randID).fadeOut(250);

			

					if(direction == "next")

					{

						// Copy leftmost (first) li and insert it after the last li

						$('li:first', obj).clone().insertAfter($('li:last', obj));	

						// Update width and left position of ul and animate ul to the left

						$('ul', obj)

							.width(imgWidth*(numImages+1))

							.animate({left:-imgWidth*2},o.transitionSpeed,function(){

								$('li:first', obj).remove();

								$('ul', obj).css('left',-imgWidth+'px').width(imgWidth*numImages);

								$('#btn_rt'+randID).fadeIn(500);

								$('#btn_lt'+randID).fadeIn(500);

								if(autopilot) $('#pause_btn'+randID).fadeIn(250);

								showtext($('li:eq(1) p', obj).html());

								if(autopilot)

								{

									$('#progress'+randID).width(imgWidth).height(5);

									$('#progress'+randID).animate({'width':0},o.displayTime,function(){

										$('#pause_btn'+randID).fadeOut(50);

										setTimeout(function(){$('#pause_btn'+randID).fadeIn(250)},o.transitionSpeed)

									});

								}

							});

					}

					if(direction == "prev")

					{

						// Copy rightmost (last) li and insert it after the first li

						$('li:last', obj).clone().insertBefore($('li:first', obj));

						// Update width and left position of ul and animate ul to the right

						$('ul', obj)

							.width(imgWidth*(numImages+1))

							.css('left',-imgWidth*2+'px')

							.animate({left:-imgWidth},o.transitionSpeed,function(){

								$('li:last', obj).remove();

								$('ul', obj).width(imgWidth*numImages);

								$('#btn_rt'+randID).fadeIn(500);

								$('#btn_lt'+randID).fadeIn(500);

								if(autopilot) $('#pause_btn'+randID).fadeIn(250);

								showtext($('li:eq(1) p', obj).html());

							});

					}

				}

				var clearInt = setInterval(function(){anim('next');},o.displayTime+o.transitionSpeed);

				$('#progress'+randID).animate({'width':0},o.displayTime+o.transitionSpeed,function(){

					$('#pause_btn'+randID).fadeOut(100);

					setTimeout(function(){$('#pause_btn'+randID).fadeIn(250)},o.transitionSpeed)

				});

  		});

    	}

	});

})(jQuery);