var xhr = null;
function getXhr(){
	if(window.XMLHttpRequest) // Firefox et autres
		xhr = new XMLHttpRequest();
	else if(window.ActiveXObject){ // Internet Explorer
		try {
			xhr = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xhr = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	else { // XMLHttpRequest non supportés par le navigateur
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
		xhr = false;
	}
}
function sendNewsletter(url){
	email = document.getElementById('newsletter_mail').value;
	if (verifyMail(email) == 0 ){
		return false;
	}
	getXhr();
	
	xhr.onreadystatechange = function()
	{
		if(xhr.readyState == 4 && xhr.status == 200)
		{
			if (xhr.responseText == '0')
			{
				alert ('Cet adresse email existe déja !');
			}
			else if (xhr.responseText == '1')
			{
				alert ('Votre mail a été ajouté à notre base !');
			}
			
		}
	}
	xhr.open("POST",url,true);
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	xhr.send("newsletter_mail="+ email);
}

function abonnerNews(url){
	email = document.getElementById('abonne_newsletter').value;
	if (verifyMail(email) == 0 ){
		return false;
	}
	getXhr();
	
	xhr.onreadystatechange = function()
	{
		if(xhr.readyState == 4 && xhr.status == 200)
		{
			if (xhr.responseText == '0')
			{
				alert ('Vous êtes déja abonné à la newsletter !');
			}
			else if (xhr.responseText == '1')
			{
				alert ('Votre mail a été ajouté à notre base !');
			}
			
		}
	}
	xhr.open("POST",url,true);
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	xhr.send("newsletter_mail="+ email);
}

function desabonnerNews(url){
	email = document.getElementById('desabonne_newsletter').value;
	if (verifyMail(email) == 0 ){
		return false;
	}
	getXhr();
	
	xhr.onreadystatechange = function()
	{
		if(xhr.readyState == 4 && xhr.status == 200)
		{
			
				alert ('Vous avez été désabonné de la newsletter !');
			
		}
	}
	xhr.open("POST",url,true);
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	xhr.send("newsletter_mail="+ email);
}

function verifyMail(email){
	if ( email.search(/^[_a-z0-9-]+(.[_a-z0-9-]+)*[^._-]@[a-z0-9-]+(.[a-z0-9]{2,4})*$/) == -1 ){
		alert("Veillez renseigner une adresse mail valide !");
		return 0;
	}
	return 1;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function add2panier(){
	if (document.getElementById('ppointure').value == ''){
		alert('Vous devez choisir la pointure !');
		return false;
	}
	document.getElementById('form_add2panier').submit();
}