/*
* loopedSlider 0.5.6 - jQuery plugin
* written by Nathan Searles
* http://nathansearles.com/loopedslider/
*
* Copyright (c) 2009 Nathan Searles (http://nathansearles.com/)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* Built for jQuery library
* http://jquery.com
* Compatible with jQuery 1.3.2+
*
*/


if(typeof jQuery != 'undefined') {
jQuery(function($) {
$.fn.extend({
loopedSlider: function(options) {
var settings = $.extend({}, $.fn.loopedSlider.defaults, options);

return this.each(
function() {
if($.fn.jquery < '1.3.2') {return;}
var $t = $(this);
var o = $.metadata ? $.extend({}, settings, $t.metadata()) : settings;

var distance = 0;
var times = 1;
var slides = $(o.slides,$t).children().size();
var width = 789;
var position = 0;
var active = false;
var number = 0;
var interval = 0;
var restart = 0;
var flag = 0;
var pagination = $("."+o.pagination+" li a",$t);

if(o.addPagination && !$(pagination).length){
var buttons = slides;
$($t).append("<ul class="+o.pagination+">");
$(o.slides,$t).children().each(function(){
if (number<buttons) {
$("."+o.pagination,$t).append("<li><a rel="+(number+1)+" href=\"#\" >"+(number+1)+"</a></li>");
number = number+1;
} else {
number = 0;
return false;
}
$("."+o.pagination+" li a:eq(0)",$t).parent().addClass("active");
});
pagination = $("."+o.pagination+" li a",$t);
} else {
$('.pagination').children().each(function(){
number=number+1;
$(this).attr("rel",number);
$(pagination.eq(0),$t).parent().addClass("active");
});
}

if (slides===1) {
$(o.slides,$t).children().css({position:"absolute",left:position,display:"block"});
return;
}

$(o.slides,$t).css({width:(slides*width)});

$(o.slides,$t).children().each(function(){
$(this).css({position:"absolute",left:position,display:"block"});
position=position+width;
});

$(o.slides,$t).children(":eq("+(slides-1)+")").css({position:"absolute",left:-width});

if (slides>3) {
$(o.slides,$t).children(":eq("+(slides-1)+")").css({position:"absolute",left:-width});
}

if(o.autoHeight){autoHeight(times);}

$(".next",$t).click(function(){
if(active===false) {
animate("next",true);
if(o.autoStart){
if (o.restart) {autoStart();}
else {clearInterval(sliderIntervalID);}
}
} return false;
});

$(".previous",$t).click(function(){
if(active===false) {
animate("prev",true);
if(o.autoStart){
if (o.restart) {autoStart();}
else {clearInterval(sliderIntervalID);}
}
} return false;
});

if (o.containerClick) {
$(o.container,$t).click(function(){
if(active===false) {
animate("next",true);
if(o.autoStart){
if (o.restart) {autoStart();}
else {clearInterval(sliderIntervalID);}
}
} return false;
});
}

$('.pagination').children().click(function(){
	
	var srcStr = "";
	var i;
	for(i=1;i<=slides;i++){
		srcStr = $('.pagination li:nth-child('+i+')').find('img').attr('src');
		if(srcStr != null && srcStr.length){
			srcStr = srcStr.replace("hover","link");			
			$('.pagination li:nth-child('+i+')').find('img').attr('src',srcStr);
		}
	}
	times = $(this).attr("rel");
	var srcStr = $('.pagination li:nth-child('+(times)+')').find('img').attr('src');
	srcStr = srcStr.replace('link','hover');
	$('.pagination li:nth-child('+(times)+')').find('img').attr('src',srcStr);
	animate("fade",times);
	if(o.autoStart){
		if (o.restart) {autoStart();}
		else {clearInterval(sliderIntervalID);}
	}
	 return false;
});

if (o.autoStart) {
	sliderIntervalID = setInterval(function(){
	if(active===false) {animate("next",true);}
	},o.autoStart);
	function autoStart() {
		if (o.restart) {
			clearInterval(sliderIntervalID);
			clearInterval(interval);
			clearTimeout(restart);
			restart = setTimeout(function() {
				interval = setInterval( function(){
					animate("next",true);
				},o.autoStart);
			},o.restart);
		} else {
			sliderIntervalID = setInterval(function(){
			if(active===false) {animate("next",true);}
			},o.autoStart);
		}
	};
}

function current(times) {
if(times=== slides+1){times = 2;}
if(times===0){times = slides;}
var times1 = times -1;
	
	for(i=1;i<=slides;i++){
		srcStr = $('.pagination li:nth-child('+i+')').find('img').attr('src');		
		if(srcStr != null && srcStr.length){
			srcStr = srcStr.replace("hover","link");
			$('.pagination li:nth-child('+i+')').find('img').attr('src',srcStr);
		}
	}
	
	srcStr = $(pagination+"[rel='" + (times) + "']",$t).find('img').attr('src');	
	if(srcStr != null && srcStr.length){
		srcStr = srcStr.replace('link','hover');
		$(pagination+"[rel='" + (times) + "']",$t).find('img').attr('src',srcStr);
	}
};

function autoHeight(times) {
if(times===slides+1){times=1;}
if(times===0){times=slides;}
var getHeight = $(o.slides,$t).children(":eq("+(times-1)+")",$t).outerHeight();
$(o.container,$t).animate({height: getHeight},o.autoHeight);
};

function animate(dir,clicked){
active = true;
switch(dir){
case "next":
	times = times+1;
	if(times=== slides+1){times = 2;}
	if(times===0){times = slides;}
	distance = (-(times*width-width));
	current(times);
	if(o.autoHeight){autoHeight(times);}
	if(slides<3){
		if (times===3){$(o.slides,$t).children(":eq(0)").css({left:(slides*width)});}
		if (times===2){$(o.slides,$t).children(":eq("+(slides-1)+")").css({position:"absolute",left:width});}
	}
	$(o.slides,$t).children().fadeOut(o.fadespeed, function(){
		$(o.slides,$t).css({left: distance});
		$(o.slides,$t).children(":eq("+(slides-1)+")").css({left:slides*width-width});
		$(o.slides,$t).children(":eq(0)").css({left:0});
		if(times===slides){$(o.slides,$t).children(":eq(0)").css({left:(slides*width)});}
		if(times===1){$(o.slides,$t).children(":eq("+(slides-1)+")").css({ position:"absolute",left:-width});}
		$(o.slides,$t).children().fadeIn('slow');
		active = false;	
	});
	
		
break;
case "prev":
times = times-1;
distance = (-(times*width-width));
current(times);
if(o.autoHeight){autoHeight(times);}
if (slides<3){
if(times===0){$(o.slides,$t).children(":eq("+(slides-1)+")").css({position:"absolute",left:(-width)});}
if(times===1){$(o.slides,$t).children(":eq(0)").css({position:"absolute",left:0});}
}
$(o.slides,$t).animate({left: distance}, o.slidespeed,function(){
if (times===0) {
times = slides;
$(o.slides,$t).children(":eq("+(slides-1)+")").css({position:"absolute",left:(slides*width-width)});
$(o.slides,$t).css({left: -(slides*width-width)});
$(o.slides,$t).children(":eq(0)").css({left:(slides*width)});
}
if (times===2 ) $(o.slides,$t).children(":eq(0)").css({position:"absolute",left:0});
if (times===1) $(o.slides,$t).children(":eq("+ (slides-1) +")").css({position:"absolute",left:-width});
active = false;
});
break;
case "fade":
times = [times]*1;
distance = (-(times*width-width));
//current(times);
if(o.autoHeight){autoHeight(times);}
$(o.slides,$t).children().fadeOut(o.fadespeed, function(){
	$(o.slides,$t).css({left: distance});
	$(o.slides,$t).children(":eq("+(slides-1)+")").css({left:slides*width-width});
	$(o.slides,$t).children(":eq(0)").css({left:0});
	if(times===slides){$(o.slides,$t).children(":eq(0)").css({left:(slides*width)});}
	if(times===1){$(o.slides,$t).children(":eq("+(slides-1)+")").css({ position:"absolute",left:-width});}
	$(o.slides,$t).children().fadeIn(o.fadespeed);
	active = false;
});
break;
default:
break;
}
};
}
);
}
});
$.fn.loopedSlider.defaults = {
container: ".slider_container", //Class/id of main container. You can use "#container" for an id.
slides: ".slider_divs", //Class/id of slide container. You can use "#slides" for an id.
pagination: "pagination", //Class name of parent ul for numbered links. Don't add a "." here.
containerClick: true, //Click slider to goto next slide? true/false
autoStart: 0, //Set to positive number for true. This number will be the time between transitions.
restart: 0, //Set to positive number for true. Sets time until autoStart is restarted.
slidespeed: 300, //Speed of slide animation, 1000 = 1second.
fadespeed: 200, //Speed of fade animation, 1000 = 1second.
autoHeight: 0, //Set to positive number for true. This number will be the speed of the animation.
addPagination: false //Add pagination links based on content? true/false
};
});
}