/*calendar javascript program */
 function del_allchildren(target) {
  if($(target).childNodes.length > 0){
    while($(target).childNodes.length > 0){
      $(target).removeChild($(target).childNodes[$(target).childNodes.length - 1]);
    }
  }
}

function calendar(val) {

  document.body.style.cursor="wait";

  new Ajax.Request('/baseball/cal.php',
                {
                onComplete: getResponse,
                postBody: 'ymon='+val
                });

  function getResponse(req){
    var t = $('ncalendar');
    del_allchildren(t);
    t.insert(req.responseText);
    document.body.style.cursor="auto";
  }
}

function start(){

  var x=location.href;
  x=x.substr(40,x.length);
  y=x.substr(0,4);
  m=x.substr(5,2);
  if(2008<Number(y) && 0<Number(m) && Number(m)<13){
    calendar(y+"/"+m);
  }
  else{
    calendar("");
  }
}