var nn4 = (document.layers) ? true : false;
var ie5 = (document.all) ? true : false;
var dom = (document.getElementById && !document.all) ? true : false;
var fenetreX = 0;
var fenetreY = 0;
if (window.gecko) {
	fenetreY = -1;
	fenetreX = -1;
}
// RECUPERE L'ELEMENT QUELQUE SOIT LE NAVIGATEUR
function GetNavigatorId(id) {
	if (nn4) {
		idv = document.layers[id];
	} else if (ie5) {
		idv = document.all[id];
	} else if (dom) {
		idv = document.getElementById(id);
    } else {
    idv = false;
    }
  return idv;
}

function file(fichier) {
	if(window.XMLHttpRequest) // FIREFOX
		xhr_object = new XMLHttpRequest(); 
	else if(window.ActiveXObject) // IE
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
	else 
          return(false); 
	xhr_object.open("GET", fichier, false); 
	xhr_object.send(null); 
	if(xhr_object.readyState == 4) return(xhr_object.responseText);
		else return(false);
}
function afficheId(baliseId) {
	GetNavigatorId(baliseId).style.visibility='visible';
	GetNavigatorId(baliseId).style.display='block';
}

function cacheId(baliseId) {
	GetNavigatorId(baliseId).style.visibility='hidden';
	GetNavigatorId(baliseId).style.display='none';
}
function validEmail(email) {
	var place = email.indexOf("@",1);
	var point = email.indexOf(".",place+1);
	if (!((place > -1)&&(email.length >2)&&(point > 1)))  return(false);
	return(true);
}