function toggleMailForm() {
	var div = document.getElementById('mail-form');
	div.style.display='block';
}

function checkOtazky() {
	var o = document.getElementById('q');
	if (o.innerText == '') {
		o.innerText = 'Vaše otázky...';
	}
}
function checkEmail() {
	var m = document.getElementById('m');
	if (m.value == '') {
		m.value = 'vas@email.sk';
	}
}