}
$str.= "</select> ";
}else{
$str = "";
}
return $str;
}
function show_num_btn(){
if ($this->page>=1 and $this->page<=$this->total_pages){
$tmp_p = ($this->num_btn-1)/2;
if (($this->page - $tmp_p)<=0){
$start_p = 1;
}else{
if (($this->page-$tmp_p)>$this->num_btn and ($this->page-$tmp_p)>($this->total_pages - $this->num_btn+1)){
$start_p = $this->total_pages - $this->num_btn + 1;
}else{
$start_p = $this->page - $tmp_p;
}
}
if (($this->page+$tmp_p) < $this->total_pages){
$end_p = ($this->page + $tmp_p)<$this->num_btn?$this->num_btn:($this->page + $tmp_p);
if ($end_p>$this->total_pages){
