function changeClass(id, className)
{
  var object = document.getElementById(id);
  if(object != null)
  {
    object.className = className;
  }
}

function changeCursor(cursorType)
{
  if(cursorType != null)
    document.body.style.cursor = cursorType;
}

function newWin(url)
{
window.open(url,'','width=650, height=550, scrollbars=1');
}