// events
pDomApi.addEvent(window, 'load',  function() {
	cityFilter = document.getElementById('cityFilter');

	pDomApi.addEvent(cityFilter, 'change',  function() {
		document.forms['cityFilterForm'].submit();
		return false;
	});

	priceFilter = document.getElementById('priceFilter');

	pDomApi.addEvent(priceFilter, 'change',  function() {
		document.forms['priceFilterForm'].submit();
		return false;
	});
});