mousemove and mouseenter smooth scrolling left and right and mouseleave function
<p>Does anyone know how to make this animation scroll left and right more smoothly it uses $.throttle class which executes every millisecond it from github does anyone know of another approach for better smothness going left and right <a href="http://jsfiddle.net/RkbP6/182/" rel="nofollow">jsFiddle</a> i also wanted to do a mouseleave and mouseout out of the wrapper to animate the scroll-content back to 0px  pixels how do i do that? my attempts have failed</p>

<p>HTML</p>

<pre><code>&lt;div id="wrapper"&gt;
&lt;ul id="scroll-content"&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/09f" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/2f2" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/234" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/342" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/312" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/131" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/111" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/222" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/333" /&gt;&lt;/li&gt;
    &lt;li class="item"&gt;&lt;img src="http://placehold.it/100x150/122" /&gt;&lt;/li&gt;
&lt;/ul&gt;
</code></pre>

<p></p>

<p>CSS:</p>

<pre><code>#wrapper {
width: 100%;
height: 170px;
overflow: hidden;
background-color: red;
}
#scroll-content {
width: 1050px;
}
.item {
float: left;
margin-right: 5px;
list-style-type: none;
}
</code></pre>

<p>jquery:</p>

<pre><code>$(document).ready(function() {
var wrapper = $('#wrapper'),
    content = $('#scroll-content');

wrapper.bind('mouseenter mousemove', $.throttle(200, mousemove));

function mousemove(e) {
    var wrapper_width = wrapper.outerWidth(),
        content_width = content.outerWidth(),
        limits = 50,
        center = wrapper_width / 2,
        wrapper_pos = wrapper.offset(),
        mousePos = Math.min(Math.max(e.pageX,wrapper_pos.left + limits), wrapper_pos.left+wrapper_width-limits);

    //calculate new left margin
    var tmp
    if(e.pageX &gt; center) {
    tmp = (mousePos + 50 - 5) * (content_width - wrapper_width) / wrapper_width;
}else{
         tmp = (mousePos - 50) * (content_width - wrapper_width) / wrapper_width;

        }

    content.stop().animate({
        'margin-left': '-' + tmp + 'px'
    }, 'fast', 'easeOutSine');
}
}); 
</code></pre>
