function sel_nc(nc){
        var f = document.smartform;
        
        var name_s = f.name_s.value;
        
        //document.img1.src = "/img/sp1_"+name_s+nc+".jpg";
        //document.bigimg.src = "/img/z_"+name_s+nc+".jpg";
        //document.all.bigimg.style.border = "double";
        //document.info_size.src = "/img/info_"+name_s+nc+".jpg";
        
        
        paper_sel(); busu_sel(); dp_sel(); cal_nc();
    }
    function cal_nc(){
        var f = document.smartform;
        name_skin_e = f.name_skin_e.value;
        
        //chk_fp();
        
        f.action = g4_path + "/" + g4_bbs + "/" + name_skin_e + ".php";
        f.target = "EXE_base";
        f.submit();
    }
    
    function busu_sel(){
        var f = document.smartform;
        var busu = f.busu;
        paper1 = f.paper1.value;
        
        if(checkobj(f.size_bt) == 0){
            i = (paper1 == "백색모조" || paper1 == "레자크" ? 500 : 1000);
        }else if(checkobj(f.size_bt) == 1){
            i = 1000;
        }else{
            i = (paper1 == "레자크" ? 500 : 1000);
        }
        if(i == 500){
            var k = 1;
            for (j=1000; j<=100000; j=j+1000) { 
                busu.options[k] = new Option(j+" 매", j, false, false); 
                k++;
            }
    		busu.options[0].value = "500";
    		busu.options[0].text  = "500 매";
    	}else{
            var k = 0;
            for (j=1000; j<=100000; j=j+1000) { 
                busu.options[k] = new Option(j+" 매", j, false, false); 
                k++;
            }
    	}
    }
    
    function dp_sel(){
        var f = document.smartform;
        
        if(checkobj(f.size_bt) == 0){
            document.all.type_bt[1].disabled = false;
        }else{
            document.all.type_bt[1].disabled = true;
        }
        
        if(checkobj(f.size_bt) == 0){
            f.csize1.value = "220"; f.csize2.value = "105";
            if(checkobj(f.type_bt) == 0){  f.esize1.value = "20"; f.esize2.value = "16";
            }else{                         f.esize1.value = "40"; f.esize2.value = "85";}
        }else if(checkobj(f.size_bt) == 1){
            f.csize1.value = "260"; f.csize2.value = "190"; f.esize1.value = "30"; f.esize2.value = "22";
        }else{
            f.csize1.value = "330"; f.csize2.value = "245"; f.esize1.value = "34"; f.esize2.value = "20";
        }
    }