$(document).ready(function(){


 	$("a[rel^='prettyPhoto']").prettyPhoto({
 				allow_resize: true,
 				default_width: 600,
 				default_height: 344,
 				});		
 	
    $("iframe").each(function(){
          var ifr_source = $(this).attr('src');
          var wmode = "?wmode=transparent";
          $(this).attr('src',ifr_source+wmode);
    });
    
  });