jQuery(document).ready(function(){
    jQuery("input.button").click(
        function(){
            if(jQuery(".email input").val() != jQuery(".confirm-email input").val())
            {
                jQuery(".confirm-email").addClass("gfield_error");
                jQuery(".confirm-email .validation_message").remove();
                jQuery(".confirm-email .ginput_container").append("<div class='gfield_description validation_message'>Your emails do not match.</div>");
                return false;
            }
        }
    );
});