function checkEmail(email) {
    if(email.indexOf("@") == -1 || email.indexOf(".") == -1) { 
	return false;
    } else {
        var first = email.split("@");
        var user = first[0];
        var second = first[1].split(".");
        var domain = second[0];
        var ending = second[1];
        if(user.length < 2 || domain.length < 2 || ending.length < 2) {
            return false;
        } else {
            return true;
        }
    }
}


function checkNewsletterMail(){

	if( checkEmail(document.getElementById("newsletter_email").value) ){
		document.getElementById("newsletter_error").style.display="none";
		document.getElementById("newsletter_confirm").style.display="block";
		mail = document.getElementById("newsletter_email").value;
		document.getElementById("newsletter_email").value="";
		document.getElementById("newsletter_confirm").innerHTML = "Folyamatban...";
		makeRequest("index.php?l1=newsletter&l2=plug_newsletter&l3=saveNewsletter&mail=" + mail,"newsletter_confirm");
		setTimeout(function(){document.getElementById("newsletter_confirm").style.display="none"},30000);
	}
	else{
		document.getElementById("newsletter_error").style.display="block";
		document.getElementById("newsletter_confirm").style.display="none";
		makeRequest("index.php?l1=newsletter&l2=plug_newsletter&l3=getNewsletterError","newsletter_error");
		setTimeout(function(){document.getElementById("newsletter_error").style.display="none"},30000);
	}
	
}

function clearEmail(){
	if(document.getElementById("newsletter_email").value == "e-mail cím"){
		document.getElementById("newsletter_email").style.color = "black";
		document.getElementById("newsletter_email").value = "";
	}
}

addEvent( window, 'load', setEmail );

function setEmail(){
	if(document.getElementById("newsletter_email").value == ""){
		document.getElementById("newsletter_email").style.color = "#FFFFFF";
		document.getElementById("newsletter_email").value = "e-mail cím";
	}
}