function calendar_back(myid,month,year)
{
  if(month==undefined)
    var month='';
  if(year==undefined)
    var year='';
  advAJAX.get({
    url: "?mod="+myid+"&mode=ajax&action=back&month="+month+"&year="+year,
    onSuccess : function(obj) { document.getElementById( 'calendar_show' ).innerHTML = obj.responseText; },
    onLoading : function(obj) { document.getElementById( 'calendar_show' ).innerHTML = '<div class="wait"><!-- --></div>'; },
    onError : function(obj) { document.getElementById( 'calendar_show' ).innerHTML = '<div class="error"><!-- --></div>'; }
   });
}
function calendar_next(myid,month,year)
{
  if(month==undefined)
    var month='';
  if(year==undefined)
    var year='';
  advAJAX.get({
    url: "?mod="+myid+"&mode=ajax&action=next&month="+month+"&year="+year,
    onSuccess : function(obj) { document.getElementById( 'calendar_show' ).innerHTML = obj.responseText; },
    onLoading : function(obj) { document.getElementById( 'calendar_show' ).innerHTML = '<div class="wait"><!-- --></div>'; },
    onError : function(obj) { document.getElementById( 'calendar_show' ).innerHTML = '<div class="error"><!-- --></div>'; }
   });
}