function makeRequest(url, div) {

	var http_request = false;

	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
			// See note below about this line
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!http_request) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}
	http_request.onreadystatechange = function() { alertContents(http_request, div); };
	http_request.open('GET', url, true);
	http_request.send(null);

}

function alertContents(http_request, div) {

	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			document.getElementById(div).innerHTML=http_request.responseText;
		} else {
			//alert('There was a problem with the request.');
		}
	}

}

function open_forum(){
	forum_window = window.open("http://www.sportulstudentesc.com/forum/", "frm_window", 'toolbar,resizable,scrollbars') 
}

function submit_email_to_newsletter(lang){
	if (document.getElementById('newsletter_name').value=="numele dvs" || document.getElementById('newsletter_name').value=="" || document.getElementById('newsletter_name').length<4)
	{
		if (lang=="ro") alert ('Trebuie sa introduceti numele dvs. !');
		if (lang=="en") alert ('You have to provide your name !');
		document.getElementById('newsletter_name').focus();
		return 0;
	}
	if (!emailCheck(document.getElementById('newsletter_email').value) || document.getElementById('newsletter_email').value=="adresa dvs de email")
	{
		if (lang=="ro") alert ('Trebuie sa introduceti o adresa de mail valida !');
		if (lang=="en") alert ('You have to provide a valid email address !');
		document.getElementById('newsletter_email').focus();
		return 0;
	}
	makeRequest('includes/actions/abonare_newsletter.inc.php?email='+document.getElementById('newsletter_email').value+'.', 'newsletter_result');
	document.getElementById('newsletter_result').className="shown";
	setTimeout('hide_result();', 2000);
	return false;
}

function hide_result(){
	document.getElementById('newsletter_result').className='hidden';
}

function emailCheck (emailStr) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|ro|eu)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) {
//		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
//			alert("Ths username contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
//			alert("Ths domain name contains invalid characters.");
			return false;
		}
	}

	if (user.match(userPat)==null) {
//		alert("The username doesn't seem to be valid.");
		return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
//				alert("Destination IP address is invalid!");
				return false;
			}
		}
		return true;
	}

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;

	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
//			alert("The domain name does not seem to be valid.");
			return false;
		}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
//		alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}
	if (len<2) {
//		alert("This address is missing a hostname!");
		return false;
	}
	return true;
}

function add_email_addres(email, nume){
	err_msg_nume = 'Trebuie sa introduceti numele !';
	err_msg = 'Trebuie sa introduceti o adresa de email valida !';
	if ((nume=="numele dvs") || (nume==""))
	{
		alert (err_msg_nume);
		return 0;
	}
	if (email=="adresa dvs de email")
	{
		alert (err_msg);
		return 0;
	}
	else{
		if (!emailCheck(email))
		{
			alert (err_msg);
			return 0;
		}
		else{

			makeRequest('includes/actions/add_newsletter_user.inc.php?email='+email+'&nume='+nume, 'newsletter_response');
			document.getElementById('newsletter_response').style.visibility = "visible";
			document.getElementById('newsletter_response').style.display = "block";
			setTimeout ('clear_newsletter_response()', 2500);
			document.getElementById('newsletter_email').value="adresa dvs de email";
			document.getElementById('newsletter_nume').value="numele dvs";
		}
	}
}

function clear_newsletter_response(){
	document.getElementById('newsletter_response').style.visibility = "hidden";
	document.getElementById('newsletter_response').style.display = "none";
}