Help with ajax success!

Help with ajax success!

Hi all, im using a class plugin for use class with Jquery..like this:

var sendstatus = jQuery.Class.create({

init: function(){

  this.message= '';

},

send: function(){

$.ajax({
   type: "POST",
   url: "ajaxdispatcher.php",
   data: {'status': this.message },
  success: this.send_success( responseText ),
 });

},

send_success: function(text){

alert(text);

}

});

I have this error: responseText is not defined....
Can someone help me??

Many many Thanks!

Steve