function hiddenText(iid,value,classname)
{
   document.getElementById(iid).value=value;
   document.getElementById(iid).className=classname;
}

function displayText(iid,value,classname)
{
  if(document.getElementById(iid).value =="")
  {
    document.getElementById(iid).value=value;
    document.getElementById(iid).className=classname;
  }
}