function clearFormField(frm, fld, dft){
	if (document.forms[frm].elements[fld].value == dft)
		{
		document.forms[frm].elements[fld].value = '';
		}
}

function openwindow (url) {
       window.open(url,'_blank','toolbar=no,modal=yes,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=720,height=540');
}

function validateRequired(field,alertText,defaultText)
{
with (field)
{
  if (value==null||value==""||value==defaultText)
  {
  alert(alertText);return false;
  }
  else
  {
  return true;
  }
}
}