function isEmpty(parmValue) {
  return (rTrim(parmValue) == "" || rTrim(parmValue) == null);
}

function rTrim(parmValue) {
  var i;
  for (i = parmValue.length - 1; i >= 0; i--) {
      if (parmValue.charAt(i) != " ") break;
  }
  return parmValue.substring(0, i + 1);
}


function isEmptyCheckBox(obj) {
  return countObject(obj) <= 0;
}

function isEmptyRadio(obj) {
  return countObject(obj) <= 0;
}

function countObject(obj){
    var len = obj.length;
    var checkedCt = 0 ;
    for (i = 0; i < len; i=i+1)
    {
        if (obj[i].checked == true)
        {
        	checkedCt = checkedCt + 1;
        }
    }
    return checkedCt;
}