function createObject() {
	var request_type;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer") request_type = new ActiveXObject("Microsoft.XMLHTTP");
	else request_type = new XMLHttpRequest();
	return request_type;
}

var http = createObject();

function prognoseReply() {
	if (http.readyState == 4) {
		e = document.getElementById('prognose-result');
		e.style.display = "block";
		e.innerHTML = http.responseText;
		e.style.display="block";
	}
}

function submitPrognose(id) {
	var f=document.forms.prognose;
	var sendDaten='';
	var j;
	for (var i=0; i<f.length; i++) {
		j = f.elements[i];
		if (j.type == "checkbox") {
			if (j.checked == true) sendDaten += f[i].name+'=1';
			else sendDaten += f[i].name+'=0';
		}
		else sendDaten += f[i].name+'='+encodeURIComponent(f[i].value);
		if ( i < f.length-1 ) sendDaten += '&';
	}
	nocache = Math.random();
	http.open('POST', 'lib/altersprognose.php?&nocache='+nocache);
	http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	http.setRequestHeader("Content-length", sendDaten.length);
	http.setRequestHeader("Connection", "close");
	http.send(sendDaten);
	http.onreadystatechange = prognoseReply;
}