function sendEmail() {
  _nom = $('#nom').val();
  _prenom = $('#prenom').val();
  _email = $('#email').val();
  _tel = $('#tel').val();
  _message = $('#message').val();
  //_captcha = $('#captcha').val();
  if (_email != '' && _nom != '' && _prenom != '' && _message != '') {
  	$("#formulaire").html('Sending ...').fadeIn('fast');
  	$.post(
  		"ajax.php" , 
  		{ email: _email, nom:_nom, prenom:_prenom, tel:_tel, message:_message } , 
  		function(data){ 	     
  			$("#formulaire").html(data);
  		}
  	);       
	}
	else 
	{
    if (_nom == '') $('#nom').css('border','#CC0000 1px solid');
    else $('#nom').css('border','');
    
    if (_prenom == '') $('#prenom').css('border','#CC0000 1px solid');
    else $('#prenom').css('border','');
    
    if (_email == '') $('#email').css('border','#CC0000 1px solid');
    else $('#email').css('border','');
    
    if (_message == '') $('#message').css('border','#CC0000 1px solid');
    else $('#message').css('border','');
    
    /*if (_email == '') $('#email').css('border','#CC0000 1px solid');
    else $('#email').css('border','');*/        
           
  }
}