var regex = new RegExp("[A-Za-z0-9._-]{1,}@[A-Za-z0-9._-]{1,}[.][A-Za-z]{2,}", "gi");
var regex2 = new RegExp("[0-9]{4,}", "gi");

var ouvert = 0;


function afficher(ladiv) {
	if (ouvert == 0) {
		document.getElementById(ladiv).style.display = "block";	
		ouvert = 1;
	}
	else {
		document.getElementById(ladiv).style.display = "none";	
		ouvert = 0;
	} 
}

function fermer(ladiv) {
	document.getElementById(ladiv).style.display = "none";
}

var req = null;
var n=0;
function Xhr(){
    if(window.XMLHttpRequest){
       req = new XMLHttpRequest();
   }else if(window.ActiveXObject){
      req = new ActiveXObject("Microsoft.XMLHTTP");
     }else{
        alert("Le navigateur ne supporte pas les objets XMLHTTPRequest...");
        req = false;
     }
}

function afficher_image(_id)
{ 
		Xhr();
		var t = new Date();
		req.open("GET","ajax_afficher_image.php?id="+_id+"&"+t.getTime(),true);
		req.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		req.onreadystatechange = function(){
			if(req.readyState == 4 && req.status == 200) {
				document.getElementById('image').style.display = "block";
				document.getElementById('image').innerHTML=req.responseText;
			}
			else { 
				document.getElementById('image').style.display = "block";
				document.getElementById('image').innerHTML="<img src=images/attente.gif> En traitement ...";
			}
		}		
		req.send(null);
}

function ajouter_img(_id, _id_ann) {	
		Xhr();	
		req.open("GET","ajax_post_img.php?id="+_id+"&id_ann="+_id_ann,true);
		req.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		req.onreadystatechange = function() {
			if(req.readyState == 4 && req.status == 200) {
				document.getElementById('pop_img').style.display = "block";
				document.getElementById('pop_img').innerHTML=req.responseText;
				document.getElementById('chargement').style.display = "none";
			}
			else { 
				document.getElementById('chargement').style.display = "block";
				document.getElementById('chargement').innerHTML="<img src=images/attente.gif> chargement ...";
			}
		
		}		
		req.send(null);
} 

/*function apercu() {
	$("#apercu").html(data);
	
	_theme = document.formulaire.theme.value;
	_prenom = document.formulaire.theme.value;
	_titre = document.formulaire.theme.value;
	_texte = document.formulaire.theme.value;
	
	$.post(
		"./ajax.php" , 
		{ theme: _idMessage, APERCU: 1 } , 
		function(data){ $("#apercu").show("fast").html(data); }
	);	
}*/