function montrer(id,id2) {
var d = document.getElementById(id);
d.style.display='none';

var d = document.getElementById(id2);
d.style.display='block';

}

	 
	function sendData(param, page,div)
	{
if (window.XMLHttpRequest) { // Mozilla, Safari, ...
    XhrObj = new XMLHttpRequest();
if (XhrObj.overrideMimeType) {
                XhrObj.overrideMimeType('text/xml');
            }

} else if (window.ActiveXObject) { // IE
    XhrObj = new ActiveXObject("Microsoft.XMLHTTP");
}


		//d?finition de l'endroit d'affichage:
		var content = document.getElementById(div);
		
		XhrObj.open("POST", page);

		//Ok pour la page cible
		XhrObj.onreadystatechange = function()
		{
			if (XhrObj.readyState == 4 && XhrObj.status == 200)
				content.innerHTML = XhrObj.responseText ;
		}

		XhrObj.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		XhrObj.send(param);
	}//fin fonction SendData