ใครใช้ jQuery Form Validators v0.3.6 บ้างครับ จะตรวจสอบ ใน select ยังไงครับ ต้องเพิ่มตรงไหน

/*
	jQuery Form Validators v0.3.6
*/
var validate;

(function($) {

	validate = function(group) {
		var marker = true;
		$("*[validate=" + group + "]").each(function(i, elm) {
			if (check(elm)) {
				$(elm).highlight();
				if (marker)
					$(elm).find(":input").andSelf().focus();
				marker = false;
			}
			else
				$(elm).unhighlight();
		});
		return marker;
	}

	function revalidate() {
		if (!check(this))
			$(this).unhighlight();
		else
		   $(this).highlight();
	}

	function check(elm) {
		var jelm = $(elm);
		
		var listsize = jelm.find("input:radio, input:checkbox").size();
		if (jelm.attr("disabled") || listsize > 0 && listsize == jelm.find("input:radio:disabled, input:checkbox:disabled").size())
			return "";

		//if empty value only perform required validation
		if ((jelm.val() == "" || jelm.val() == null || jelm.is("input:checkbox:not(':checked')")) && jelm.find("input:radio:checked, input:checkbox:checked").size() == 0)
			return jelm.attr("require") ? "require" : "";
			
		
		if (jelm.attr("regular") && jelm.attr("validExpress") && !new RegExp(jelm.attr("validExpress"), "m").test(jelm.val()))
			return "regular";
		
		if (jelm.attr("regular") && jelm.attr("invalidExpress") && new RegExp(jelm.attr("invalidExpress"), "m").test(jelm.val()))
			return "regular";
		
		if (jelm.attr("compare") && $("#" + jelm.attr("compareTo")).val() != jelm.val())
			return "compare";
		
		if (jelm.attr("custom") && !new Function(jelm.attr("customFn")).call(elm))
			return "custom";
		
		if (jelm.attr("invalid") && jelm.val() == jelm.attr("invalidVal"))
			return "invalid";
		
		if (validators != undefined) {
			for (var name in validators)
				if (jelm.attr(name) && !validators[name].call(elm))
					return name;
		}
	}

	function showAlert() {
		var ctrl = $(this);
		var top = ctrl.offset().top + ctrl.height() + 4;
		var left = ctrl.offset().left + Math.max(ctrl.width() - 260, 0);
		ctrl.parents().each(function() {
			if ($(this).css("position") != "static" && (!$.browser.mozilla || $(this).css("display") != "table")) {
				var offset = $(this).offset();
				top -= offset.top;
				left -= offset.left;
				return false;
			}
		});
		ctrl.parent().children(".alertbox").remove();
		ctrl.parent().append("<div class='alertbox' style='top:" + top + "px; left:" + left + "px;'><div></div></div>");
		//ctrl.parent().append("<div class='alertbox' style='top:" + top + "px; left:" + left + "px;'><div>" + ctrl.attr(check(this)) + "</div></div>");
	}

	function hideAlert() {
		$(this).parent().children(".alertbox").remove();
	}

	$.fn.highlight = function() { this.addClass("highlight").focus(showAlert).blur(hideAlert).change(revalidate); return this; }
	$.fn.unhighlight = function() { this.removeClass("highlight").unbind("focus", showAlert).unbind("blur", hideAlert).parent().children(".alertbox").remove(); return this; }

})(jQuery);

//create your own custom validators below, mapping the attribute name to use on form field (e.g. "email") to a validator function that returns true if valid and false if not
var validators = {
	"email": function() { return new RegExp("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,4}$", "mi").test(this.value); } //http://www.regular-expressions.info/email.html
};