jQuery.fn.mailto = function() {
   return this.each(function(){
   
   	var text = $(this).text().replace('(at)', "@");
   	var href = $(this).attr('href').replace('(at)', "@");
   	
     $(this).before('<a href="mailto:' + href + '" rel="nofollow" title="Email ' + text + '">' + text + '</a>').remove();         
   });
};