function hide(id) {
 var obj = document.getElementById(id);
 obj.style.display = "none";
}

function show(id) {
 var obj = document.getElementById(id);
  obj.style.display = "";
}

function onChangeFocus(id)
{
	 id.style.backgroundColor='#FFFFAA';
}

function onLostFocus(id)
{
	 id.style.backgroundColor='#FFFFFF';
}