anchor.diff:  ****/
   var invalidate_input_field = function(input_id,error_message,add_error_message){
   	console.log("came to invalidate input field.");
  +	console.log("input id is:" + input_id);
  +	console.log("error message is:");
  +	console.log(error_message);
  +	console.log("add error message is:");
  +	console.log(add_error_message);
   	add_error_message = add_error_message || true;
   	var input = $("#" + input_id);
   	var label = $('label[for="'+ input_id +'"]');
  
positive.code:       	 "field_array":["user_password_confirmation"]
        	}
        ];
        validation_settings["login_form"]["user_email"]["validate_with"].push({
        	"remote" : "true",
        	"ajax_settings" : credential_exists
        })  
  
negative.code:       	}
        ];
        //remove the remote from the user_email part.
        validation_settings["login_form"]["user_login"]["validate_with"] = _.filter(validation_settings["login_form"]["user_login"]["validate_with"],function(n){
        	return !("remote" in n);
        });
  	}
  