/*-----------------------------------------------------------------------------------*/
/*	Slider Shortcode
/*-----------------------------------------------------------------------------------*/

function ag_slider( $atts, $content = null ) {
	extract(shortcode_atts(array('crop'	=> ''
    ), $atts));

    $crop = ($crop) ? ' '. $crop : '';

	global $slide_counter;
	
	$slide_counter++;
	
	$out = NULL;
	
	$out .= '<div class="clear"></div><div class="featured-image slidershortcode"><ul class="bxslider">';
	
	$count = 1;
	$firstone = 1;
	
	foreach ($atts as $slide) {

	// Find Crop Variable
	while ($firstone == 1) {

		if ($slide == 'No' || $slide == 'no') {
			$crop = 'postnc'; 
		} else {
			$crop = 'post';
		}
		$firstone++;
	}

	// If not First One, get image Src and convert to correct thumbnail size
	if (!($slide == 'Yes' || $slide == 'yes' || $slide == 'no' || $slide == 'No')) {
		
		$image_id = get_attachment_id_from_src ($slide);

		if ($image_id) {
			$caption = get_post($image_id)->post_excerpt; 
		} else {
			$caption = '';
		}

		$image_src = wp_get_attachment_image_src($image_id, $crop, false);
		if ($image_src) {
			$out .= '<li><img src="'.$image_src[0].'" title="'. strip_tags (apply_filters('the_content', $caption)) .' "/></li>';
		} else {
			$out .= '<li><img src="'.$slide.'"/></li>';
		}
	}


		$slide_counter++;
		$count++;
	}
	$out .= '</ul></div>';
	
	return $out;
	
}
add_shortcode('slider', 'ag_slider');