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 GetNavigatorId(id) {
	var ajax_nn4 = (document.layers) ? true : false;
	var ajax_ie5 = (document.all) ? true : false;
	var ajax_dom = (document.getElementById && !document.all) ? true : false;
	if (ajax_nn4) { idv = document.layers[id];
	} else if (ajax_ie5) { idv = document.all[id];
	} else if (ajax_dom) { idv = document.getElementById(id);
    } else { idv = false; }
  return idv;
}