function c1_countdown() { 
	// Änderungen per AJAX in Datenbank schreiben
	if (window.XMLHttpRequest) { reques1 = new XMLHttpRequest(); } else if (window.ActiveXObject) {	try {reques1 = new ActiveXObject('Msxml2.XMLHTTP'); } catch (e) { try { reques1 = new ActiveXObject('Microsoft.XMLHTTP'); } catch (e) {} } }
	if (!reques1) {	return false; } else {
		var url = "js/contest.php";
		reques1.open('post', url, true);
		reques1.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');		
		reques1.send('c=1');
		reques1.onreadystatechange = c1_countdown_2; 
	}
}

function c1_countdown_2() {
	switch (reques1.readyState) { case 4: if (reques1.status != 200) { } else {	
		var xmlDoc	= reques1.responseXML;
		
		var countdown	= xmlDoc.getElementsByTagName('c')[0].firstChild.nodeValue;
		document.getElementById('countdown').innerHTML = countdown;
		
		window.setTimeout("c1_countdown()", 800);
		
	} break; default: break; }
}