/* 
 * jQuery - Lite Content Slider - Plugin v1.0
 * http://www.aakashweb.com/
 * Copyright 2010, Aakash Chakravarthy
 * Released under the MIT License.
 */
 
(function($){
    $.fn.liteSlider= function(options) {

			var defaults = {
				content : '.content',
				//  width : 300,
				// height : 250,
				autoplay : false,
				delay : 4,
				buttonsClass : 'buttons',
				activeClass : 'active',
				controlBt : 'control',
				playText : ' Play',
				pauseText : 'Pause'
			};
        
			var options = $.extend(defaults, options);
			
			var slideNo = 1;
			var timer = 0;
			var playStatus = options.autoplay;
			var thisClass = ($(this).attr('class')).split('play');
			var theClass = '.' + thisClass[0];  
			var count = 0;
			var slides;
			var currentSlide = 1;
			var delay = parseInt(options.delay)*1000;
			
			$(this).children(options.content).each(function(){
				slides = ++count;
			});
		
			function wrapContent(ele){
				ele.wrap('<div class="sliderContentsWrap" />');
			}
		
			function applyCss(ele){
				$('.sliderContentsWrap').css({
					padding : 0,
					margin : 0,
					width : options.width +'em',
					height : options.height +'em',
					overflow : 'hidden',
					position : 'relative'
				});
							
				ele.css({
					padding : 0,
					margin : 0,
					width : options.width * slides +'em',
					height : options.height +'em',
					position : 'absolute'
				});
							
				ele.children(options.content).css({
					display: 'block',
					width : options.width +'em',
					height : ((options.height)*2) +'em'
				});
			}
		
			function resetButtons(){
				i = 0;
				$('.' + options.buttonsClass).each(function(){
					i++;
					$(this).addClass('bt' + i);
					$(this).attr('rel', i);
				});
			}
		        
			function goToSlide(theSlide){
		
				var animateTop = (-(options.width) * (parseInt(theSlide)-1)) + 'em'; 
			
				$('.sliderContentsWrap' + ' ' + theClass).animate({
					top: animateTop
				});
				
				$('.' + options.buttonsClass).each(function(){
					$(this).removeClass(options.activeClass);
					
					if($(this).hasClass('bt' + theSlide)) {
						$(this).addClass(options.activeClass)
					}
				});
				currentSlide = theSlide;
			}
		
			function autoplay(){
				if(currentSlide < slides){
					goToSlide(parseInt(currentSlide) + 1);
				} else {
					goToSlide(1);
				}
			}
			
			function playSlide(){
				clearInterval(timer);
				timer = setInterval(function(){
					autoplay();
				}, delay);
				
				$(options.controlBt).text(options.pauseText);
				playStatus = true;
			}
			
			function pauseSlide(){
				clearInterval(timer);
				$(options.controlBt).text(options.playText);
				playStatus = false;
			}

		function init(ele) {
			wrapContent(ele);
			applyCss(ele);
			resetButtons();
			
			if(options.autoplay == true){
				playSlide()
			} else {
				pauseSlide();
			}
		}
		
    return this.each(function(){
			init($(this));
			
			$('.'+options.buttonsClass).click(function(e){
				e.preventDefault();
				pauseSlide();
				goToSlide($(this).attr('rel'));
      });
			
			$(options.controlBt).click(function(e){
				e.preventDefault();
				if(playStatus == true){
					pauseSlide()
				} else {
					playSlide()
				};
      });
			
		});
	};
})(jQuery);