function ChangeColor(id,cellcolor) {
  if (document.layers) {
    window.document.layers['id' + id].bgColor = cellcolor;
  } else if (document.all) {
    window.document.all['id' + id].style.background = cellcolor;
  }
}
function changeClass(id,classpassed){
	document.getElementById('id' + id).className=classpassed;
	document.getElementById('id' + id + 'l').className=classpassed+'l';
	document.getElementById('id' + id + 'r').className=classpassed;
	document.getElementById('id' + id + 'z').className=classpassed;
}