jQuery Plugin - textbox

<script>
/**
 * This plugin can be implemented for textfield, password and
 * textarea tag element
 *

 * @name    : textbox

 * @author  : irfan.ub@gmail.com

 * @version : 1.0

 * @date    : February 15, 2011

 */

(function($){

    $.fn.textbox = function(){

        $(this).addClass('input-text');
        $(this).mouseover(function(){
            $(this).addClass('input-text-hover');
        });
        $(this).mouseout(function(){
            $(this).removeClass('input-text-hover');
        });
        $(this).focusin(function(){
            $(this).addClass('input-text-focus');
        });
        $(this).focusout(function(){
             $(this).removeClass('input-text-focus');
        });

        return this;
    };
})(jQuery);

</script>

<style>

.input-text { border: 1px solid #aaa; -moz-border-radius: 4px;

              padding: 2px; }

.input-text-hover { -moz-box-shadow: 0 0 2px gold; 

                    border: 1px solid #ccc;}

.input-text-focus { -moz-box-shadow: 0 0 2px lime; }

</style>