// JavaScript Document
function tBans(obj) {
	var speed = obj.speed ? obj.speed : 300;
	var time = obj.time ? obj.time : 3000;
	var el=$(obj.element);
	var warp = el.children(".warp");
	warp.append(warp.html());
	var list = warp.children("a");
	var len = list.length / 2;
	
	var width = parseInt(el.css("width"));
	list.css("width", width + "px");
	var index = 0;
	var interval;
	
	$(window).resize(function () {
		var width = parseInt(el.css("width"));
		list.css("width", width + "px");
	});

	if(len<=1) return;
	for (var i = 0; i < len; i++) {
		if (i == index) el.children("ul").append('<li class="click"></li>');
		else el.children("ul").append('<li></li>');
	}
	
	

	var left = function () {
		if (index == 0) {
			index = len;
			warp.css("margin-left", -index * width + "px");
		}
		index--;
		el.children("ul").children("li").removeClass("click").eq(index).addClass("click");
		warp.animate({ "margin-left": -index * width + "px" }, speed);
	}

	var right = function () {
	    index++;	    
		if (index == len) el.children("ul").children("li").removeClass("click").eq(0).addClass("click");
		else el.children("ul").children("li").removeClass("click").eq(index).addClass("click");
		warp.animate({ "margin-left": -index * width + "px" }, speed, function () {
		    if (index == len) {
		        index = 0;
		        warp.css("margin-left", -index * width + "px");
		    }
		});
	}

	interval = setInterval(right, time);
	el.children("span").click(function () {
		clearInterval(interval);
		if ($(this).hasClass("tr")) {
			right();
		}
		else {
			left();
		}
		interval = setInterval(right, time);
	});
	el.children("ul").children("li").each(function (i) {
		$(this).click(function () {
			clearInterval(interval);
			index = i;
			el.children("ul").children("li").removeClass("click").eq(index).addClass("click");
			warp.animate({ "margin-left": -index * width + "px" }, speed);
			interval = setInterval(right, time);
		});			    
	});

	var startX = 0, startY = 0;
	var moveX = 0, moveY = 0;
	el[0].addEventListener('touchstart', function (e) { return start(e); }, false);
	el[0].addEventListener('touchmove', function (e) { return move(e); }, false);
	el[0].addEventListener('touchend', function (e) { return end(e); }, false);
	var start = function (e) {
		clearInterval(interval);
		var point = e.touches ? e.touches[0] : e;
		startX = point.screenX;
		startY = point.screenY;
	}
	var move = function (e) {
		e.preventDefault();
		var point = e.touches ? e.touches[0] : e;
		x = point.screenX;
		y = point.screenY;
		moveX = x - startX;
		moveY = y - startY;
		startY = y;
	}
	var end = function (e) {
		if (moveX &lt; -50) {			        
			right();			        
		}
		if (moveX &gt; 50) {			       
			left();
		}
		interval = setInterval(right, time);
	}
}