NextGen Random CSS Background

class nggHeaderBG extends WP_Widget {
	function widget( $args, $instance ) {
		global $wpdb;
		$items 	= $instance['items'];
		$exclude = $instance['exclude'];
		$list = $instance['list'];
				$exclude_list = "AND t.gid IN ($list)";
		$imageList = $wpdb->get_results("SELECT t.*, tt.* FROM $wpdb->nggallery AS t INNER JOIN $wpdb->nggpictures AS tt ON t.gid = tt.galleryid WHERE tt.exclude != 1 $exclude_list ORDER by rand() limit {$items}");
			foreach($imageList as $image) {
				// get the URL constructor
				$image = new nggImage($image);

				/* CVC just create the URL */
				$out .= '' . home_url() . '/' . 'index.php?callback=image&pid='.$image->pid.'&width='.$instance['width'].'&height='.$instance['height'];
 				echo $out;
			}
	}

}// end widget class

function nggDisplayRandomCSSBG($number, $width, $height, $exclude, $list, $show) {
	$options = array(   'title'    => false,
						'items'    => 1,
						'show'     => 'original',
						'type'     => 'random',
						'width'    => $width,
						'height'   => $height,
						'exclude'  => 'allow',
						'list'     => $list,
                        'webslice' => false );
	$ngg_widget = new nggHeaderBG();
	$ngg_widget->widget($args = array( 'widget_id'=> 'sidebar_1' ), $options);
}

// Writes the style property for the header image background
function cvcRandomBG(){
	if (in_array( 'nextgen-gallery/nggallery.php', apply_filters( 'active_plugins', get_option('active_plugins')))) {
		if (is_page_template('landing-page-wvup.php')){
			if (is_page( 'alumni-giving' )){
				?> style='background-image: url(<?php nggDisplayRandomCSSBG(1,880,350,allow,3);?>);'<?
			}else{
				?> style='background-image: url(<?php nggDisplayRandomCSSBG(1,880,350,allow,2);?>);'<?
			}
		}else{
			?> style='background-image: url(<?php nggDisplayRandomCSSBG(1,880,250,allow,1);?>);'<?
		}
	}
}