function sprawdzDane() {
	var osoba = document.getElementById('tfosoba');
	var email = document.getElementById('tfemail');
	var msg = document.getElementById('tfwiadomosc');
	var OsobaTekst = osoba.value;
	var EmailTekst = email.value;
	var MsgTekst = msg.value;
	var err = false;
	var regex = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
	var validateemail = regex.test(EmailTekst);
	if(OsobaTekst == 'Osoba kontaktowa'){
			document.getElementById('tfosoba').style.borderColor = "#f2a91b";
	              err = true;
	}
	else {
			document.getElementById('tfosoba').style.borderColor = "#dddddd";
	}
	if(EmailTekst == 'Adres e-mail'){
		document.getElementById('tfemail').style.borderColor = "#f2a91b";
	              err = true;
	}
	else {
		document.getElementById('tfemail').style.borderColor = "#dddddd";
	}
	if(!validateemail){
		document.getElementById('tfemail').style.borderColor = "#f2a91b";
	              err = true;
	}
	else {
		document.getElementById('tfemail').style.borderColor = "#dddddd";
	}
	if(MsgTekst == 'Treść zapytania'){
		document.getElementById('tfwiadomosc').style.borderColor = "#f2a91b";
	              err = true;
	}
	else {
		document.getElementById('tfwiadomosc').style.borderColor = "#dddddd";
	}
	if (err == true) {
			info.style.display = "none";
			error1.style.display = "block";
			return false;
	}
	else if (err == false) {
	       return true;
	}
}