var activityWindow = null;

function load(ident) {
  var wintop = (screen.height - 230) / 2;
  var winleft = (screen.width - 580) / 2;
  activityWindow = window.open('printactivity.htm?id='+ident,'activityWindow','width=580,height=230,left='+winleft+',top='+wintop+',menubar=yes,toolbar=no,location=no,status=no,resizable=yes,scrollbars=yes');
  if(!activityWindow) {
  alert(instruction);
  }
  else {
  if(activityWindow.open) activityWindow.focus();
  }
}

function Check() {
  if(activityWindow) {
  if(activityWindow.open) activityWindow.close();
  }
}

function hideError(ident) {
var a = 'paragraph' + ident;
var b = 'picture' + ident;
var parent = document.getElementById(a);
var orphan = document.getElementById(b);
parent.removeChild(orphan);
}