code: function parsePullDownPlaceHolders( str ) {
  	log( "Pong-PullDown",  "parsePullDownPlaceHolders: "+ str );
  	for (var key in sessionInfo) {
  		if ( str.indexOf( '${'+key+'}' ) >=0 ) {
  			str = str.replace( '${'+key+'}', $.i18n( sessionInfo[key] ) );
  		}
  	}
  	log( "Pong-PullDown", "Processed value: "+ str );
  	return str;
  }
docs: replaces ${xyz} in str by the value session map