function kontaktFormCheck (form) {
	if (form.jmeno.value == "") {
		alert ("Vyplnte prosim pole Jmeno");
		form.jmeno.focus();
		return false;
	} else if (form.email.value == "" || form.email.value.indexOf('@') == -1 || form.email.value.indexOf('.') == -1) {
		alert ("Vyplnte prosim pole Email");
		form.email.focus();
		return false;
	} else if (form.vzkaz.value == "") {
		alert ("Vyplnte prosim pole Vzkaz");
		form.vzkaz.focus();
		return false;
	} else {
		return true;
	}
}

function loginFormCheck (form) {
	if (form.pw.value == "") {
		alert ("Vyplnte prosim heslo");
		form.pw.focus();
		return false;
	} else {
		return true;
	}
}