var xmlHttp;

function vytvorXMLHttpRequest() {
	if(window.ActiveXObject) {
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if (window.XMLHttpRequest) {
		xmlHttp = new XMLHttpRequest();
	}
}

function zobrazOdpovedPoradna() {
	if(xmlHttp.readyState == 4) {
		if(xmlHttp.status == 200) {
			var response = xmlHttp.responseText;
			document.getElementById('menopriezvisko').value = '';
			document.getElementById('email').value = '';
			document.getElementById('otazka').value = ''
			alert(response);
		}
	}
}

function poradna() {
	if(document.getElementById('menopriezvisko').value == '' || document.getElementById('email').value == '' || document.getElementById('otazka').value == '')
	{
		alert('Vyplňte, prosím, všetky polia formulára.')
	}
	else {
	vytvorXMLHttpRequest();
	var xml = 'menopriezvisko='+document.getElementById('menopriezvisko').value+'&email='+document.getElementById('email').value+'&otazka='+document.getElementById('otazka').value;
	var url = "pages/static/scripts/odosli_poradnu.php?casZnamka=" + new Date().getTime();
	xmlHttp.onreadystatechange = zobrazOdpovedPoradna;
	xmlHttp.open("POST", url, true)
	xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;");
	try { xmlHttp.send(xml); }
	catch (e) { }
	}
}