<form name="fr" style="font-family:'돋움'; font-size:10px;"> 
 <table border="0" cellspacing="0" cellpadding="0" width="900" align="center"  class="table02">
    <tr>
        <td  height="40" align="center"  bgcolor="#F7F7F7">
            <font color="#17365D">DVR</font>
        </td>
        <td  > 
         4CH <INPUT  type="radio" value="300000" width="80" name="kind1"  onclick="javascript:sum();" >
         대
        </td>
        <td  > 
         8CH <INPUT  type="radio" value="600000" width="80" name="kind1"  onclick="javascript:sum();" >
         대
        </td>
       
        <td  > 
         16CH <INPUT  type="radio" value="900000" width="80" name="kind1" onclick="javascript:sum();" >
         대
        </td>
 
    </tr>
 <tr>
        <td  height="40" align="center" bgcolor="#F7F7F7">
       
            <font color="#17365D">카메라대수</font>
        </td>
       
            <td colspan="3"  align="center" bgcolor="#F7F7F7" height="40">
            실내돔적외선<INPUT type="TEXT"  id="dom" name="dom"  onkeyup="javascript:sum();" ></textarea> 대
            </td>
  
    </tr>
    <tr align="center">
        <td bgcolor="#F7F7F7"  height="40" >
            요금표
        </td>
        <td colspan="3" >
            <input type="text"  name="total" id="total" value="" class="button" width="120" readonly style="text-align:right">
         </td>
      </tr>
   
</table>
</form>
<script> 
function sum() { 

var fr = document.fr;  //젤 먼저...
var dom = fr.dom.value;
var total;

var total=0;

if (fr.kind1[0].checked==true)
 
 {

total = 300000 + dom * 50000 ;
 total =  Math.floor(total/10) * 10  ;
fr.total.value = total; 
  
 }

 else if (fr.kind1[1].checked==true)
 
{

total = 600000 + dom * 50000 ;
total =  Math.floor(total/10) * 10  ;
fr.total.value = total; 
}
 else  (fr.kind1[2].checked==true)
 
{

total = 900000 + dom * 50000 ;
total =  Math.floor(total/10) * 10  ;
fr.total.value = total; 
}

 

}

 

</script>

 

4ch / 8ch / 16ch 버튼마다 값이 저렇게 달리 해놨는데..

어떤 라디오 버튼을 선택해도 값이  16ch 로 값이 계산해지고 있어요..