// Extrae los valores numericos de para tarifas.

 function rempmonto (str) {
    var cad = "";
    var l = str.length;
    var mon = str.substr( 0, 4 );
    if (mon == "S/. ")
      var val = str.substr( 4, l );
    else
      var val = str.substr( 2, l );
    val = parseInt(val * 100);
    return val;
 }

 SortableTable.prototype.addSortType( "NumberT", rempmonto );