var myConn=false;
var loader=false;
var body=false;
var chrf="";
var table="";
function monthBook(year,month,chrf,table){
 target  = document.getElementById( "calend" );
 var myConn = new XHConn();
 if( !myConn ) return;
 var fnWhenDone = function(oXML) {
  target.innerHTML = oXML.responseText;
 };
 Vars="year="+year+"&mnt="+month+"&h="+chrf+"&t="+table;
 myConn.connect("calend.php", "POST", Vars, fnWhenDone);
}