$buf=fread ( $this->fp , 5 ) ;
     $this->EndIp=ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])*256*256) + (ord($buf[3])*256*256*256);
     $this->CountryFlag=ord ( $buf[4] ) ;
     return $this->EndIp ;
    }

    function getCountry(){
     switch ( $this->CountryFlag ) {
        case 1:
        case 2:
         $this->Country=$this->getFlagStr ( $this->EndIpOff+4) ;
         //echo sprintf('EndIpOffset=(%x)',$this->EndIpOff );
         $this->Local=( 1 == $this->CountryFlag )? '' : $this->getFlagStr ( $this->EndIpOff+8);
         break ;
        default :
         $this->Country=$this->getFlagStr ($this->EndIpOff+4) ;
         $this->Local=$this->getFlagStr ( ftell ( $this->fp )) ;
     }
    }

    function getFlagStr ($offset){
     $flag=0 ;
     while(1){
        @fseek($this->fp ,$offset,SEEK_SET) ;
        $flag=ord(fgetc($this->fp ) ) ;
        if ( $flag == 1 || $flag == 2 ) {
         $buf=fread ($this->fp , 3 ) ;
         if ($flag==2){
            $this->CountryFlag=2;
            $this->EndIpOff=$offset - 4 ;
         }
         $offset=ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])* 256*256);
        }
        else{
         break ;
        }

     }
     if($offset<12)
        return '';
     @fseek($this->fp , $offset , SEEK_SET ) ;

     return $this->getStr();
    }

    function getStr ( )
    {
     $str='' ;
     while ( 1 ) {
        $c=fgetc ( $this->fp ) ;