function contactUs(f){
	if(f.email.value==""){
		alert("Empty email");
		return false;	
	}

	if(f.message.value==""){
		alert("Empty message");
		return false;	
	}

	f.rq.value='contact_send';
	f.action="/index.php";
	sendrequete(f);
	return false;
}

function sendrequete(f){
	display_div("rqloading",true);
	 ajax = new Ajax.Request("/index.php",{
     method: f.method,
     parameters: get_form_url(f),
     onSuccess: function(transport, json) {
		 	display_div("rqloading",false);
			if (200 == transport.status){
				
				//alert(transport.responseText);
				if(!json){
					alert("Erreur transmition de données");
					alert(transport.responseText);
					return;
				}
				if(json.error!=""){
					display_div("rqloading",false);
					alert("Error sending email");
				}
				
				if(json.message=="contact_sent"){
					alert("Your message has been sent");
					f.reset();
					return;
				}
				

			  	else loadcompte(json);
			}
			 else 
				alert("Une erreur s'est produite");
		    }
     } );
}