function ajax(adress,tagId,getPost)
 {
 $.ajax(
   {
   type: "POST",
   url: adress,
   data: getPost,
   //processData: false,

   
   error: function(msg)
	 {alert( "Error !: " + msg );}
   ,
   success:function(response)
     {
	 //alert(getPost);
	 $(tagId).ajaxStart(function(){
		$('#loading').empty();
	    $('#loading').prepend('<img src=img/loading.gif></img>');
	 });
	 $(tagId).ajaxSuccess(function(request, settings){
		$('#loading').empty();
		$(tagId).empty();
		$(tagId).append(response);
	 });
	 

	 
	 
	 }
	}
  );
 }
 
 
 function calendar (date,tagId)
  {
  var data = 'date='+date;
  var adress = 'calendar/calendrier.php';
  ajax(adress,tagId,data);
  }