use class instead of rel attribute

As the only way to add a rel attribute to links is to switch to the text editor, I’ve made a little change in js/wpp-active.js in the plugin, to enable activation of prettyPhoto via class attribute also:

jQuery(document).ready(function(){
	jQuery("a[rel^='prettyPhoto'], a.prettyPhoto").prettyPhoto();
});

This way we can even add a “prettyPhoto” class to the tinyMce class selector and make the “prettified link operation” simple for every user.

add_filter('tiny_mce_before_init', 'myCustomTinyMCE' );
/* Custom CSS styles on TinyMCE Editor */
if ( ! function_exists( 'myCustomTinyMCE' ) ) {
	function myCustomTinyMCE($init) {
		//$init['theme_advanced_styles'] = 'In evidenza=evidenced; Bottone Verde=verde';
		$init['theme_advanced_styles'] = 'prettyPhoto=prettyPhoto';
		return $init;
	}
}

http://wordpress.org/plugins/prettyphoto/