diff --git a/common/js/plugins/watchinput/jquery.watchinput.js b/common/js/plugins/watchinput/jquery.watchinput.js
new file mode 100644
index 000000000..dd71d054a
--- /dev/null
+++ b/common/js/plugins/watchinput/jquery.watchinput.js
@@ -0,0 +1,61 @@
+/**
+ * @brief  Watch Input box
+ * @author taggon (http://mygony.com)
+ **/
+(function($){
+
+var class_name = '_watch_input';
+
+$.fn.watch_input = function(settings)
+{
+	if (this.length == 0) return false;
+	if (this.length > 1) {
+		this.each(function(){ $(this).watch_input(settings) });
+		return true;
+	}
+	if (!$.isFunction(settings.oninput)) return false;
+	if (this.hasClass(class_name)) return false;
+
+	this[0].__wi_oninput = settings.oninput;
+	this.addClass(class_name).keydown(_onkeydown).focus(_onfocus).blur(_onblur);
+
+	return this;
+};
+
+var timer = null, val = '', ie=$.browser.msie;
+
+function _onkeydown(event)
+{
+	if ($(this).val() != val) {
+		val = $(this).val();
+		this.__wi_oninput();
+	}
+}
+
+function _onfocus(event)
+{
+	var self = $(this);
+
+	val = self.val();
+	if (ie) return true;
+
+	(function fn() {
+		if ( (self.val() != val) && $.isFunction(self[0].__wi_oninput) ) {
+			val = self.val();
+			self[0].__wi_oninput();
+		}
+
+		timer = setTimeout(arguments.callee, 100);
+	})();
+}
+
+function _onblur(event)
+{
+	val = '';
+	if (!ie && timer) {
+		clearTimeout(timer);
+		timer = null;
+	}
+}
+
+})(jQuery);
diff --git a/common/js/plugins/watchinput/plugin.load b/common/js/plugins/watchinput/plugin.load
new file mode 100644
index 000000000..28823ad2e
--- /dev/null
+++ b/common/js/plugins/watchinput/plugin.load
@@ -0,0 +1 @@
+jquery.watchinput.js