Shortcode for Spoiled Slideshow

<?php
/*
 * WordPress shortcode for Spoiled Slideshow
 * http://spoiledmilk.dk/demos/spoiled-slideshow/
 * usage: [sspoiled imgs="http://aa.com/aa.jpg,http://bb.com/bb.jpg,http://cc.com/cc.jpg" width="600" height="300"]
 * by brasofilo
 */

function se49804_shortcode ($atts, $content = null) {
    $imgs = explode( ',', $atts['imgs'] );
    $width = $atts['width'];
    $height = $atts['height'];
    $imgList = '';
    foreach($imgs as $img) {
        $imgList .= "\t\t" . '<img src="'.$img.'" width="'.$width.'" height="'.$height.'" alt="" class="slide current" />' . "\r\n";
    }
    $html  = <<<HTML
        <!--slideshow-->
        <div class="slideshow">

            <div class="slides">
$imgList
            </div>

            <div class="controls">

                <a href="#" class="previous">
                    <span class="arrow">&larr;</span> Prev
                </a>

                <div class="state"></div>

                <a href="#" class="next">
                    <span class="arrow">&rarr;</span> Next
                </a>

            </div>

        </div>
        <!--end slideshow-->
HTML;
    return $html;
}
add_shortcode('sspoiled', 'se49804_shortcode');