// 선택값이 없을 경우 하위 옵션은 disabled
    });
            $("select.it_option:gt("+idx+")").val("").attr("disabled", true);
            return;
        } 
        // 하위선택옵션로드
        if(sel_count > 1 && (idx + 1) < sel_count) {
            var opt_id = "";
            // 상위 옵션의 값을 읽어 옵션id 만듬
            if(idx > 0) {
                $("select.it_option:lt("+idx+")").each(function() {
                    if(!opt_id)
                        opt_id = $(this).val();
                    else
                        opt_id += chr(30)+$(this).val();
                });
                opt_id += chr(30)+val;
            } else if(idx == 0) {
                opt_id = val;
            }
   
   var op1_val = $("#it_option_1").val();
   var op1_p = 0;
   
   if(op1_val=="14"){
    op1_p = pinfo.gp_buy_14k;
   }else if(op1_val=="18"){
    op1_p = pinfo.gp_buy_18k;
   }else if(op1_val=="24"){
    op1_p = pinfo.gp_buy_pure;
   }
   
   
            $.post(
                "./itemoption.php?op1_p="+op1_p,
                { it_id: it_id, opt_id: opt_id, idx: idx, sel_count: sel_count },
                function(data) {
                    $("select.it_option").eq(idx+1).empty().html(data).attr("disabled", false);
                    // select의 옵션이 변경됐을 경우 하위 옵션 disabled
                    if(idx+1 < sel_count) {
                        var idx2 = idx + 1;
                        $("select.it_option:gt("+idx2+")").val("").attr("disabled", true);
                    }
     
     if ($("#it_option_1").val()=="14" || $("#it_option_1").val()=="18" )
     {
      $("#it_option_2 option:eq(1)").attr("selected", "selected");
      sel_option_process(true, $(this).attr("id") );
     }
               }
            );
        } else if((idx + 1) == sel_count) { // 선택옵션처리
            if(option_add && val == "")
                return;
            var info = val.split(",");
            // 재고체크
            if(parseInt(info[2]) < 1) {
                alert("선택하신 선택옵션상품은 재고가 부족하여 구매할 수 없습니다.");
                return false;
            }
            if(option_add){
                sel_option_process(true,$(this).attr("id"));
   }
        }
    });​