(function($) {

$.fn.contentSlider = function(options) {
var opts = $.extend({}, $.fn.contentSlider.defaults, options);
var randNum = Math.floor(Math.random()*11);
var jFC = opts.controller;
var jFS =  opts.slideWrapper;
var jSel = opts.selectedWrapper;

var cur = 0;
var timer;
var maxi = $(jFC).length;
// sliding function
var slide = function (dur, i) {
	$(opts.slides).children().css({
		overflow:"hidden"
	});
	$(opts.slides + " iframe").hide().addClass("temp_hide");
	$(opts.slides).animate({
		marginLeft: "-" + (i * $(opts.slides).find(":first-child").width() + "px")
		},
		opts.duration*(dur),
		opts.easing,
		function(){
			$(opts.slides).children().css({
				overflow:"hidden"
			});
			$(".temp_hide").show();
		}
	);
	
}
$(this).find(jFC).each(function(i){
	$(this).click(function(){
		dotimer();
		if ($(opts.slides).is(":not(:animated)")) {
			$(jFC).removeClass(jSel);
			$(this).addClass(jSel);
			var dur = Math.abs(cur-i);
			slide(dur,i);
			cur = i;
		}
	});
});	

$(opts.slides).before('<div id="'+jFS.substring(1, jFS.length)+'"></div>').appendTo(jFS);

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

//initialize the controller
$(jFC).eq(cur).addClass(jSel);

var resize = function (x){
	$(jFS).css({
		position:"relative",
		width: opts.width,
		height: opts.height,
		overflow: "hidden"
	});
	//opts.slides or #mySlides container
	$(opts.slides).css({
		position:"relative",
		width: $(jFS).width()*$(jFC).length+"px",
		height: $(jFS).height()+"px",
		overflow: "hidden"
	});
	// slideContainer
	$(opts.slides).children().css({
		position:"relative",
		width: $(jFS).width()+"px",
		height: $(jFS).height()+"px",
		"float":"left",
		overflow:"hidden"
	});
	
	$(opts.slides).css({
		marginLeft: "-" + (cur * $(opts.slides).find(":eq(0)").width() + "px")
	});
}

// sets initial size
resize();

// resets size
$(window).resize(function(){
	resize();						  
});

$(opts.prev).click(function(){
	dotimer();
	doprev();
	
});

$(opts.next).click(function(){
	dotimer();
	donext();
	
});

var doprev = function (x){
	if ($(opts.slides).is(":not(:animated)")) {
		var dur = 1;
		if (cur > 0)
			cur--;
		else {
			cur = maxi -1;
			dur = cur;
		}
		$(jFC).removeClass(jSel);
		slide(dur,cur);
		$(jFC).eq(cur).addClass(jSel);
	}
}

var donext = function (x){
	if ($(opts.slides).is(":not(:animated)")) {
		var dur = 1;
		if (cur < maxi - 1)
			cur++;
		else {
			cur = 0;
			dur = maxi -1;
		}
		$(jFC).removeClass(jSel);
		//$(jFS).fadeOut("fast");
		slide(dur, cur);
		//$(jFS).fadeIn("fast");
		$(jFC).eq(cur).addClass(jSel);
	}
}

var dotimer = function (x){
	if((opts.auto) == true) {
		if(timer != null) 
			clearInterval(timer);
		
		timer = setInterval(function() {
				$(opts.next).click();
				}, 8000);
	}
}

dotimer();
};

$.fn.contentSlider.defaults = {
controller: ".csNavButton",
slideWrapper : "#csWrapper",
selectedWrapper: "csNavSelected",
auto: false,
easing: "swing",
duration: 400,
width: "100%",
prev: ".csNavPrev",
next: ".csNavNext"
};

})(jQuery);