var sAjax=function(url,params,func){
	var HR = (window.XMLHttpRequest)?new XMLHttpRequest():((window.ActiveXObject)?new ActiveXObject('Microsoft.XMLHttp'):false);
	if(typeof(HR)=='object'){
		HR.onreadystatechange=function(){if(HR.readyState==4&&HR.status==200){func(HR.responseText);}};
		HR.open('POST',url,true);
		HR.setRequestHeader('Content-type','application/x-www-form-urlencoded');
		HR.setRequestHeader('Content-length', params.length);
		HR.setRequestHeader('Connection','close');
		HR.send(params);
	}
};
var save_newsletter=function(f){
	document.getElementById('ko-news').style.display='none';
	document.getElementById('ok-news').style.display='none';
	var email=document.getElementById('email');
	if(/^[a-z0-9\._-]+@[a-z0-9][a-z0-9_-]*(\.[a-z0-9_-]+)*\.([a-z]+)$/i.test(email.value) ){
		sAjax(f.action,'ajax=1&email='+email.value,set_status);
	} else {
		window.alert('v.rifier votre e-mail');
		email.select();
	}
	return false;
};
var set_status=function(theStatus){
	var div = (theStatus=='OK')?'ok-news':'ko-news';
	document.getElementById(div).style.display='block';
};