function createRequestObject() {
	var request_;
	var browser = navigator.appName;
	/*
	#	If the browser is MSIE, use active x to create
	#	the XMLHttpRequest object
	#
	#	Else use the standard method
	*/
	if(browser == "Microsoft Internet Explorer") {
		request_ = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		request_ = new XMLHttpRequest();
	}
	return request_;
}
var http = createRequestObject();

function ajax ( url, callback) {
	http.open ( 'get', url, true );
	http.onreadystatechange = callback;
	http.send(null);
}
function checkJobResumes() {
	d = new Date(); now = d.getTime();
	var url = 'inc/latest_resumes.php';
	ajax ( url, handleInfoResumes);
}
function checkCompanies() {
	d = new Date(); now = d.getTime();
	var url = 'inc/latest_companies.php';
	ajax ( url, handleInfoCompanies);
}
function checkJobs() {
	d = new Date(); now = d.getTime();
	var url = 'inc/latest_jobs.php';
	ajax ( url, handleInfoJobs);
}
function jobFair () {
	var resumes;
	var companies;
	var jobs;

	//window.clearTimeout(resumes);
	//window.clearTimeout(companies);
	//window.clearTimeout(jobs);

	resumes = window.setTimeout("checkJobResumes()", 250);
	companies = window.setTimeout("checkCompanies()", 10);
	jobs = window.setTimeout("checkJobs()", 500);
}
function handleInfoResumes() {
	if(http.readyState == 1) {
		//document.getElementById('dsubmit').disabled = true;
	}
	if(http.readyState == 4) {
		var response = http.responseText;
		document.getElementById('columnOne').innerHTML = response;
	}
}
function handleInfoCompanies() {
	if(http.readyState == 1) {
		//document.getElementById('dsubmit').disabled = true;
	}
	if(http.readyState == 4) {
		var response = http.responseText;
		document.getElementById('columnTwo').innerHTML = response;
	}
}
function handleInfoJobs() {
	if(http.readyState == 1) {
		//document.getElementById('dsubmit').disabled = true;
	}
	if(http.readyState == 4) {
		var response = http.responseText;
		document.getElementById('columnThree').innerHTML = response;
	}
}
/*
function handleInfo(id) {
if(http.readyState == 1) {
//document.getElementById('dsubmit').disabled = true;
}
//alert('hello '+uid);
if(http.readyState == 4) {
var response = http.responseText;
//document.getElementById('dsubmit').disabled = false;
if (http.id == 1) {
document.getElementById('columnOne').innerHTML = response;
}
if (http.id == 2) {
document.getElementById('columnTwo').innerHTML = response;
}
if (http.id == 3) {
document.getElementById('columnThree').innerHTML = response;
}

}
}*/