(function($){
  
  $(function(){
     
    var selector = ".external-popup-content",
        btnSelector = ".external",
        $dom = $(selector);

    $dom.dialog(
      { 
        hide: 'fade',
        autoOpen: false,
        closeOnEscape: false,
        dialogClass: "melt-popup external-popup",
        title: $dom.data("popupTitle") || "Pegasys",
        buttons: [
          {
            text: "Cancel",
            click: function() { $(this).dialog("close"); }
          },
          {
            text: "OK",
            click: function() { 
              window.open ($(this).data("link"),"externalWindow");
              $(this).dialog("close");
            }
          }
        ]
      }
    )
   
    $(btnSelector).click(function(e){
      e.preventDefault();
      $dom.data("link",this.href);
      $dom.dialog("open");
    });
    
  })
 
})(jQuery);