function switch_city(city){
	document.getElementById('phone_kiev').style.display = 'none';
	document.getElementById('phone_lviv').style.display = 'none';
	document.getElementById('phone_dnipro').style.display = 'none';
	document.getElementById('phone_odessa').style.display = 'none';
	document.getElementById('phone_dnepropetrovsk').style.display = 'none';
        document.getElementById('phone_donetsk').style.display = 'none';
	//document.getElementById('phone_kharkiv').style.display = 'none';
	document.getElementById(city).style.display = 'block';
}