function makeRequest(url, div, handler) {
	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, handler); };
	http_request.open('GET', url, true);
	http_request.send(null);
}

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

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 verify_abo_input(input){
	if (input.value=="")
	{
		input.value = 'adresa e-mail';
	}
	return false;
}

function empty_abo_input(input){
	input.value='';
	return true;
}

function add_email(input){
	document.getElementById('abo_message').innerHTML = '';
	if (!emailCheck(input.value))
	{
		document.getElementById('abo_message').innerHTML = '<span class="abo_error">Please insert a valid email address !</span>';
	}
	else{
		makeRequest ('php/add_email.inc.php?email='+input.value, 'abo_content', 'redirect_abonare');
	}
	return false;
}


function add_email_ro(input){
	document.getElementById('abo_message').innerHTML = '';
	if (!emailCheck(input.value))
	{
		document.getElementById('abo_message').innerHTML = '<span class="abo_error">Nu ati introdus o adresa de email valida !</span>';
	}
	else{
		makeRequest ('php/add_email_ro.inc.php?email='+input.value, 'abo_content', 'redirect_abonare_ro');
	}
	return false;
}

function timer_revive_abonare(){
	setTimeout('revive_abonare()', 4000);
}

function redirect_abonare(){
	self.location="validare_abonare_cerere.html";
}

function redirect_abonare_ro(){
	self.location="validare_abonare_cerere_ro.html";
}

function revive_abonare(){
	document.getElementById('abo_content').innerHTML = '<form action="" method="post" onsubmit="return add_email(document.getElementById(\'abo_email\'));"><table cellspacing="0" cellpadding="0"><tr><td><input type="text" name="abo_email" id="abo_email" class="abo_input" value="adresa e-mail" onblur="verify_abo_input(this)" onclick="empty_abo_input(this)" /></td><td><img src="img/1.gif" style="width: 7px; height: 1px;" alt=""></td><td><input type="image" style="border: 0px;" src="img/abonare_go.jpg" alt="Trimite" /></td></tr><tr><td id="abo_message" colspan="3"></td></tr></table></form>';

}