list scroll with plugin

by Kiran Duggal

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<div id="lista1" class="als-container">	
    <span class="als-prev"><img src="images/thin_left_arrow_333.png" alt="prev" title="previous" /></span>

        <div class="als-container" id="demo1">	
            <span class="als-prev">
                <img src="images/thin_left_arrow_333.png" alt="prev" title="previous" />
            </span>
            <div class="als-viewport border">
                <ul class="als-wrapper">
                    <li class="als-item">Tab 1</li>
                    <li class="als-item">Tab 2</li>
                </ul>
        </div>	
        <span class="als-next"><img src="images/thin_right_arrow_333.png" alt="next" title="next" /></span>
</div>

CSS

/********************************
 * generic als elements styling
 ********************************/

.border 
{
    border:solid 1px red;
}

.als-container {

    position: relative;

    width: 100%;

    margin: 0px auto;

}

.als-viewport {

    position: relative;

    overflow: hidden;

    margin: 0px auto;

}

.als-wrapper {

    position: relative;

    list-style: none;

}

.als-item {

    position: relative;

    display: block;

    text-align: center;

    cursor: pointer;

    float: left;

}

.als-prev, .als-next {

    position: absolute;

    cursor: pointer;

    clear: both;

}

/**************************
 * specific als elements
 * styling for #lista1
 **************************/

#lista1 {

    margin: 60px auto 80px auto;

}

#lista1 .als-item {

    margin: 0px 30px;

    /*min-height: 152px;*/

    min-width: 128px;

}

#lista1 .als-item img {

    position: relative;

    display: block;

    vertical-align: middle;

    margin-bottom: 8px;

}

#lista1 .als-prev, #lista1 .als-next {

    /*	top: 58px;*/

    top: -5px;

    width: 15px;

    height: 22px;

}

#lista1 .als-prev {

    left: 90px;

}

#lista1 .als-next {

    right: 100px;

}

JavaScript

/*jquery.als v.1.7 | (c) 2012, 2014 Federica Sibella musings(at)musings(dot)it | http://www.musings.it | MIT license.*/
	! function (e) {
	    function t(e) {
	        if ("string" == typeof e) {
	            var t = e.indexOf("_"); - 1 != t && (e = e.substr(t + 1))
	        }
	        return e
	    }

	    function i(i, o) {
	        i.preventDefault(), void 0 === o && (o = e(this));
	        var r = t(o.attr("data-id")),
	            s = n[r];
	        s.next.off(), s.prev.off(), s.viewport.off("touchend"), "yes" === s.options.autoscroll && e.fn.als("stop", r), e.fn.als("next", r), "yes" === s.options.autoscroll && e.fn.als("start", r)
	    }

	    function o(i, o) {
	        i.preventDefault(), void 0 === o && (o = e(this));
	        var r = t(o.attr("data-id")),
	            s = n[r];
	        s.prev.off(), s.next.off(), s.viewport.off("touchend"), "yes" === s.options.autoscroll && e.fn.als("stop", r), e.fn.als("prev", r), "yes" === s.options.autoscroll && e.fn.als("start", r)
	    }
	    var n = [],
	        s = 0,
	        a = {
	            init: function (t) {
	                this.each(function () {
	                    var a = {
	                        visible_items: 3,
	                        scrolling_items: 1,
	                        orientation: "horizontal",
	                        circular: "no",
	                        autoscroll: "no",
	                        interval: 4e3,
	                        speed: 600,
	                        easing: "swing",
	                        direction: "left",
	                        start_from: 0
	                    }, l = e(this),
	                        c = l.data("als"),
	                        m = e(),
	                        d = e(),
	                        u = e(),
	                        p = e(),
	                        h = e(),
	                        v = e(),
	                        f = 0,
	                        w = 0,
	                        T = 0,
	                        g = 0,
	...