function request(url,cadre,elem){ 
	var option_select = elem.options[elem.selectedIndex].value;
    if(option_select=="recherche"){
		url=url+"?action=candidat";
    }

	var XHR = null;
	if(window.XMLHttpRequest){
		XHR = new XMLHttpRequest();
	}
	else if(window.ActiveXObject){ 
		XHR = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else { 
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..");
	}
	XHR.open("GET",url, true);
	XHR.onreadystatechange = function(){
		if(XHR.readyState == 4){
			var temp=XHR.responseText;
			var element=document.getElementById(cadre);
			element.innerHTML=temp;
			
			//element.appendChild(temp);
		}
	}
	XHR.send(null);	
}