var CChangeByIdle = Class.create();

CChangeByIdle.prototype = {

	initialize: function(elem, timeout, callback) {

		this.elem = elem;

		this.timeout = timeout;

		this.callback = callback;

		

		var obj = this,

			eventName = elem.type=='select-one'? 'change' : 'keyup';

		Event.observe(elem, eventName, function(){

			if(obj.timer) window.clearTimeout(obj.timer);

			obj.timer = window.setTimeout( function(obj){

				return function(){

					obj.runCallback();

				}

			}(obj), obj.timeout);

		});

	},//---------------------------------------------------------------------

	

	runCallback: function()

	{

		window.clearTimeout(this.timer);

		this.timer = null;

		this.callback();

	},//---------------------------------------------------------------------

	

	elem: null,		// элемент, для кот-го обрабатывается событие onchange

	timer: null,	// HANDLER таймера

	timeout: 0,		// задерка по кот-й выполняется callback функция

	callback: null

};

/////////////////////////////////////////////////////////////////////////////