Themes Kingdom: "Query" header code

<?php
    $cat = get_option('query_slider_category');

    $catslug = get_cat_name( $cat );

    $args=array('category_name'=>$catslug, 'post_status' => 'publish','posts_per_page' => 5);

    query_posts($args);
    while (have_posts()) : the_post();
    $img = "";
    if (has_post_thumbnail()) {
        $imagedata = simplexml_load_string(get_the_post_thumbnail());
        $img = $imagedata->attributes()->src;
    }

    if ($post->post_content<>substr($post->post_content,0,70)){ $dots2 = "...";}else{$dots2 = "";}
    $cont = substr($post->post_content,0,70);

    if ($post->post_title<>substr($post->post_title,0,26)){ $dots3 = "...";}else{$dots3 = "";}
    $title1 = substr($post->post_title,0,26);

     $pageURL = 'http';
     if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
     $pageURL .= "://";
     if ($_SERVER["SERVER_PORT"] != "80") {
      $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
     } else {
      $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
     }
    $postslug = get_post_slug($post->ID);
    if ($img !== "") {


    echo "<li class='carousel_fix'><a href='$img' class='pirobox' title='$title1'><img class='slider_img_holder' id='".$pageURL.$postslug."'  src='";echo bloginfo('template_directory')."/scripts/timthumb.php?src=".$img."&w=185&h=114&zc=1&q=100'></a><a class='slider_title_holder' href='".$pageURL.$postslug."'>$title1$dots3</a><span class='slider_content_holder'>$cont$dots2</span></li>" ;

    }
    endwhile;
?>