function fnChange()
{
	selel = document.getElementById('catsel');
	if (selel.options[selel.selectedIndex].value)
		document.location = selel.options[selel.selectedIndex].value;
}

function check() {
	var err = '';
	name = document.getElementById('idName');
	phone = document.getElementById('idPhone');
	message = document.getElementById('idMessage');
	frs = document.getElementById('feedback');

	if(!name.value) err += '- Name\n';
	if(!phone.value) err += '- Phone\n';
	if(!message.value) err += '- Message\n';
	if(err) {
		alert('Please, fill all required fields: \n\n' + err);
	} else {
		frs.submit();
	}
}