function send_request(type,fichier,data){	        
	var xhr_object = null;  

	if(window.XMLHttpRequest) // Firefox  
			xhr_object = new XMLHttpRequest();  
	else if(window.ActiveXObject) // Internet Explorer  
			xhr_object = new ActiveXObject("Microsoft.XMLHTTP");  
	else { // XMLHttpRequest non supporté par le navigateur  
			alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");  
			return;  
	}  

	xhr_object.open(type,fichier,true);  

	xhr_object.onreadystatechange = function() {  
			if(xhr_object.readyState == 4) eval(xhr_object.responseText);  
	}  

	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
	
	xhr_object.send(data);
}

function show_hide(my_div){
	if (document.getElementById(my_div).style.display == "none"){
			//new Effect.Appear(my_div);
			document.getElementById(my_div).style.display = "block";
	}
	else {
			document.getElementById(my_div).style.display = "none";
	}
}

function recherche_centre(){
	//$blinddown('resultat_recherche_centre');
	$toggle('resultat_recherche_centre');
	send_request('post','skins/ajax/recherche.php');
}