function xmlhttpPost(strURL) {
var xmlHttpReq = false;
var self = this;
// Mozilla/Safari
if (window.XMLHttpRequest) {
self.xmlHttpReq = new XMLHttpRequest();
}
// IE
else if (window.ActiveXObject) {
self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
}
self.xmlHttpReq.open('POST', strURL, true);
self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
self.xmlHttpReq.onreadystatechange = function() {
if (self.xmlHttpReq.readyState == 4) {
updatepage(self.xmlHttpReq.responseText);
}
}
self.xmlHttpReq.send();
}

function updatepage(str){
document.getElementById("result").innerHTML = str;
}
function ajaxonline2()
{
	JavaScript:xmlhttpPost("http://www.cursos24horas.com.br/resposta.asp")
	
}
function ajaxonline()
{
	ajaxonline2()
	var t=setInterval("ajaxonline2()",5100);	
}