[php] 자바스크립트 체크박스 클릭 후 합계구하기

<SCRIPT LANGUAGE="JavaScript">

function getCheckpilsu()

{

  var LoopCount = <?=$temp1?>; // 루프 갯수

  var k = 0;

  var loopName = document.getElementsByName('itemid[]'); // radio 버튼 네임

  for (i = 0 ; i < LoopCount ; i++ ){

   if (loopName[i].checked == true) 

     {  

k = k+1;

alert(k);

 }

   }

  if (k == 0 ){

    alert("상품을 선택하여 주세요.");

    return;

  }else if (k > 0){

document.f.action = "purchase.php";

document.f.submit();

  

  }

}

function getDelete(getvalue)

{

//alert(getvalue);

if(confirm("삭제를 하시겠습니까?")){

document.f.action = "giftyshow_basket_pro.php?value="+getvalue+"&gubun=valuedel";

document.f.submit();

}

}

function getTotalPrice(chkU)

{

// alert(chkU);

var chkU = Number(chkU); // 스크립트 숫자형

var totalprice_1 = Number(tprice.innerHTML);

var f = document.f;

var chk = f.itemid;

var opt = f.opt;

var totalprice = 0;

var totalprice = Number(0);

if (chkU == "" )

{

// window.open();

} 

else 

{

//alert("111");

  var loopName = document.getElementsByName('itemid[]'); // radio 버튼 네임

if (loopName[0].checked == true) {

totalprice = totalprice + <?=$array_V_TOTALPRICE[0]?>;

}

if (loopName[1].checked == true ) {

totalprice = totalprice + <?=$array_V_TOTALPRICE[1]?>;

}

if (loopName[2].checked == true) {

totalprice = totalprice + <?=$array_V_TOTALPRICE[2]?>;

}

f.totalprice.value = totalprice;

tprice.innerHTML =  totalprice;

}

}

</script>

$temp = count($array_V_AFFILIATE);

for ($i=0; $i< $temp; $i++) { 

 ?>

<tr>

<td class="check"><!--<input type="checkbox" name="itemid"  onClick="checkBoxValidate('<?=$temp?>'); getTotalPrice('<?=$temp?>');"/>-->

<input type="checkbox" name="itemid[]"  value="<?=$array_V_ID[$i]?>" onClick="getTotalPrice(<?=$temp?>);"/></td><?=$array_V_ID[$i]?>

<td class="title">

<a href="http://nlife.mt.co.kr/giftyshow/giftyshow_list_detail.php?v_goodsid=<? echo $array_V_GOODSID[$i]?>">

<?= $array_V_GOODSNM[$i] ?></a></td>

<td class="right"><strong><? echo $array_V_TOTALPRICE[$i] ?></strong>원&nbsp;&nbsp;</td>

<td><? echo $array_V_AFFILIATE[$i] ?></td>

<td class="right"><? echo "할인해택" ?></td>

<td>0</td>

<td class="right"><span><strong><? echo $array_V_TOTALPRICE[$i] ?></strong></span>원&nbsp;&nbsp;</td>

<td><button type="button" class="btn_del" name="checkdel" value="<?=$array_V_ID[$i]?>" onClick="getDelete(<?=$array_V_ID[$i]?>);"><span>삭제</span></button></td>

</tr>

<? } ?>
 

<form name="f"  method="post">

<input type="hidden" name=totalprice>
<strong class="cash">총 결제 금액 : <span id=tprice>0</span></span>원</strong>
</form>