function displayEmail(user, site, text) {
	document.write('<a href=\"mailto:' + user + '@' + site + '\">');
	if (text) document.write(text);
	else document.write(user + '@' + site);
	document.write('</a>');
}

var url = window.location.href.split('/');
var lang = url[3];

switch(lang){
	case "fr":
		var invite="votre courriel";
		var err1="Courriel invalide.";
		var err2="Veuillez écrire votre adresse courriel.";
		var err3="Nom de domaine invalide.";
		var err4="Une erreur est survenue.\nVeuillez essayer à nouveau.";
		var thanks="Inscription réussie.";
		break;
	case "en":
		var invite="your email";
		var err1="Invalid Email Address.";
		var err2="Please enter your Email address.";
		var err3="Invalid Domain Name.";
		var err4="An error occurred.\nPlease try again.";
		var thanks="Subscription completed.";
		break;
}

function echeck(str) {

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	
	if (str.indexOf(at)==-1){
	   alert(err1)
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   alert(err1)
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert(err1)
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		alert(err1)
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert(err1)
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		alert(err1)
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		alert(err1)
		return false
	 }
	 
	 var return_value= $.ajax({ type: "GET", url: "http://sirios.com/js/check-dns.php", data: "email="+str, async: false }).responseText
	 
	 if (return_value==0){
		alert(err3)
		return false
	 }
	 
	 return true					
}

function ValidateForm(){
	
	var emailID=document.getElementById("listeDiffusion").txtEmail
	
	if ((emailID.value==null)||(emailID.value=="")||(emailID.value==invite)){
		alert(err2)
		emailID.focus()
		return false
	}
	
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	
	var return_value= $.ajax({ type: "GET", url: "http://sirios.com/js/write-email.php", data: "lang="+lang+"&email="+emailID.value, async: false }).responseText
	 
	if (return_value) alert(thanks)
	else alert(err4)
	
}