// JScript File

function wsjs_allowNumeric(e) {
  var key;
  if (window.event)
    key = event.keyCode;
  else
    key = e.which;
  if ( (key > 47 && key < 58) || key < 32)
    return; 
  else 
    if (window.event) 
      window.event.returnValue = null;     
    else
      e.preventDefault();
}