String.prototype.printAddr = 
function (_hamper,_prefix,_postfix,_face)
{
  _hamper=
  _prefix+
  "@"+
  this+
  (_postfix || '')
  document.write('<a style=\"color:#1a4780; font-size:12px; text-decoration:underline; \" href="mailto:'+_hamper+'"><i style=\"color:#1a4780;\">'+_hamper+'</i></a>');
}