/* Copyright (c) 2008 Kean Loong Tan http://www.gimiti.com/kltan
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * jFlow
 * Version: 1.1 (May 22, 2008)
 * Requires: jQuery 1.2+
 */

//modified by LandRover 30th May 08

(function($) {

	$.fn.jFlow = function(options) {
		var opts = $.extend({}, $.fn.jFlow.defaults, options);
		var cur = 0;
		var timer;
		var selected_class = "jFlowSelected";
		var maxi = $(".jFlowControl").length;
		$(this).find(".jFlowControl").each(function(i){
			$(this).click(function(){
				dotimer();

				$(".jFlowControl").removeClass(selected_class);
				$(this).addClass(selected_class);
				//alert(cur);
				//alert(i);
				var dur = Math.abs(cur-i);
				$(opts.slides).animate({
					opacity: 0.4,
					marginLeft: "-" + (i * $(opts.slides).find(":first-child").width() + "px")
				}, opts.duration*(dur));
				cur = i;

			});
		});

		$(opts.slides).before('<div id="jFlowSlide"></div>').appendTo("#jFlowSlide");

		$(opts.slides).find("div").each(function(){
			$(this).before('<div class="jFlowSlideContainer"></div>').appendTo($(this).prev());
		});

		//initialize the controller
		$(".jFlowControl").eq(cur).addClass(selected_class);

		var resize = function (x){
			$("#jFlowSlide").css({
				position: "relative",
				width: opts.width,
				height: opts.height,
				overflow: "hidden"
			});

			$(opts.slides).css({
				position:"relative",
				width: $("#jFlowSlide").width()*$(".jFlowControl").length+"px",
				height: $("#jFlowSlide").height()+"px",
				overflow: "hidden"
			});

			$(opts.slides).children().css({
				position: "relative",
				width: $("#jFlowSlide").width()+"px",
				height: $("#jFlowSlide").height()+"px",
				"float":"left"
			});

			$(opts.slides).css({
				marginLeft: "-" + (cur * $(opts.slides).find(":first-child").width() + "px")
			});
		}

		resize();

		$(window).resize(function(){
			resize();
		});

		$(".jFlowPrev").click(function(){
			dotimer();
			doprev();
		});

		var doprev = function (x){
			if (cur > 0)
				cur--;
			else
				cur = maxi -1;
				
			//remove if nescessary
			$('#dot_'+cur).css('background-image', 'url(images/home/naviguation_on.jpg)');
			$('#dot_'+(cur+1)).css('background-image', 'url(images/home/naviguation_off.jpg)');
			if (cur == 5){
				$('#dot_0').css('background-image', 'url(images/home/naviguation_off.jpg)');
			}
			/*
			if (cur == 5){
				$('#dot_0').css('background-image', 'url(images/home/naviguation_off.jpg)');
				$(".jFlowPrev").css('background-image', 'url(images/home/arrow_left_on.jpg)').css('cursor', 'default');
				$(".jFlowNext").css('background-image', 'url(images/home/arrow_right.jpg)').css('cursor', 'pointer');
			}else if(cur == 0){
				$(".jFlowPrev").css('background-image', 'url(images/home/arrow_left.jpg)').css('cursor', 'pointer');
				$(".jFlowNext").css('background-image', 'url(images/home/arrow_right_on.jpg)').css('cursor', 'default');
			}else{
				$(".jFlowPrev").css('background-image', 'url(images/home/arrow_left_on.jpg)').css('cursor', 'pointer');
				$(".jFlowNext").css('background-image', 'url(images/home/arrow_right_on.jpg)').css('cursor', 'pointer');
			}
			*/

			$(".jFlowControl").removeClass(selected_class);
			$(opts.slides).animate({
				marginLeft: "-" + (cur * $(opts.slides).find(":first-child").width() + "px")
			}, opts.duration);
			$(".jFlowControl").eq(cur).addClass(selected_class);
		}

		$(".jFlowNext").click(function(){
			donext();
			dotimer();
		});

		var donext = function (x){
			if (cur < maxi - 1)
				cur++;
			else
				cur = 0;
			//remove if nescessary
			$('#dot_'+cur).css('background-image', 'url(images/home/naviguation_on.jpg)');
			$('#dot_'+(cur-1)).css('background-image', 'url(images/home/naviguation_off.jpg)');
			if(cur == 0){
				$('#dot_5').css('background-image', 'url(images/home/naviguation_off.jpg)');
			}
			/*
			if (cur == 5){
				$(".jFlowPrev").css('background-image', 'url(images/home/arrow_left_on.jpg)').css('cursor', 'pointer');
				$(".jFlowNext").css('background-image', 'url(images/home/arrow_right.jpg)').css('cursor', 'default');
			}else if(cur == 0){
				$('#dot_5').css('background-image', 'url(images/home/naviguation_off.jpg)');
				$(".jFlowPrev").css('background-image', 'url(images/home/arrow_left.jpg)').css('cursor', 'default');
				$(".jFlowNext").css('background-image', 'url(images/home/arrow_right_on.jpg)').css('cursor', 'pointer');
			}else{
				$(".jFlowPrev").css('background-image', 'url(images/home/arrow_left_on.jpg)').css('cursor', 'pointer');
				$(".jFlowNext").css('background-image', 'url(images/home/arrow_right_on.jpg)').css('cursor', 'pointer');
			}
			*/
			
			//end of modify
			$(".jFlowControl").removeClass(selected_class);
			$(opts.slides).animate({
				marginLeft: "-" + (cur * $(opts.slides).find(":first-child").width() + "px")
			}, opts.duration);
			$(".jFlowControl").eq(cur).addClass(selected_class);

		}

		var dotimer = function (x){
			if(timer != null)
			    clearInterval(timer);

        		timer = setInterval(function() {
	                	donext();
    	        	}, 4000);


    	  }

		dotimer();
	};

	$.fn.jFlow.defaults = {
		easing: "swing",
		duration: 400,
		width: "100%"
	};

})(jQuery);