diff --git a/js/shop.js b/js/shop.js
index ba7def26c..edfef0d60 100644
--- a/js/shop.js
+++ b/js/shop.js
@@ -5,9 +5,9 @@ var isAndroid = (navigator.userAgent.toLowerCase().indexOf("android") > -1);
 $(function() {
     // 선택옵션
     /* 가상서커 ctrl keyup 이베트 대응 */
-    $("select[name='it_option[]']").live("keyup", function(e) {
-        var sel_count = $("select[name='it_option[]']").size();
-        var idx = $("select[name='it_option[]']").index($(this));
+    $("select.it_option").live("keyup", function(e) {
+        var sel_count = $("select.it_option").size();
+        var idx = $("select.it_option").index($(this));
         var code = e.keyCode;
         var val = $(this).val();
 
@@ -21,9 +21,9 @@ $(function() {
     });
 
     /* 키보드 접근 후 옵션 선택 Enter keydown 이벤트 대응 */
-    $("select[name='it_option[]']").live("keydown", function(e) {
-        var sel_count = $("select[name='it_option[]']").size();
-        var idx = $("select[name='it_option[]']").index($(this));
+    $("select.it_option").live("keydown", function(e) {
+        var sel_count = $("select.it_option").size();
+        var idx = $("select.it_option").index($(this));
         var code = e.keyCode;
         var val = $(this).val();
 
@@ -37,24 +37,24 @@ $(function() {
     });
 
     if(isAndroid) {
-        $("select[name='it_option[]']").live("touchend", function() {
+        $("select.it_option").live("touchend", function() {
             option_add = true;
         });
     } else {
-        $("select[name='it_option[]']").live("mousedown", function() {
+        $("select.it_option").live("mousedown", function() {
             option_add = true;
         });
     }
 
-    $("select[name='it_option[]']").live("change", function() {
-        var sel_count = $("select[name='it_option[]']").size();
-        var idx = $("select[name='it_option[]']").index($(this));
+    $("select.it_option").live("change", function() {
+        var sel_count = $("select.it_option").size();
+        var idx = $("select.it_option").index($(this));
         var val = $(this).val();
         var it_id = $("input[name='it_id[]']").val();
 
         // 선택값이 없을 경우 하위 옵션은 disabled
         if(val == "") {
-            $("select[name='it_option[]']:gt("+idx+")").val("").attr("disabled", true);
+            $("select.it_option:gt("+idx+")").val("").attr("disabled", true);
             return;
         }
 
@@ -64,7 +64,7 @@ $(function() {
 
             // 상위 옵션의 값을 읽어 옵션id 만듬
             if(idx > 0) {
-                $("select[name='it_option[]']:lt("+idx+")").each(function() {
+                $("select.it_option:lt("+idx+")").each(function() {
                     if(!opt_id)
                         opt_id = $(this).val();
                     else
@@ -80,12 +80,12 @@ $(function() {
                 "./itemoption.php",
                 { it_id: it_id, opt_id: opt_id, idx: idx, sel_count: sel_count },
                 function(data) {
-                    $("select[name='it_option[]']").eq(idx+1).empty().html(data).attr("disabled", false);
+                    $("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[name='it_option[]']:gt("+idx2+")").val("").attr("disabled", true);
+                        $("select.it_option:gt("+idx2+")").val("").attr("disabled", true);
                     }
                 }
             );
@@ -107,7 +107,7 @@ $(function() {
 
     // 추가옵션
     /* 가상서커 ctrl keyup 이베트 대응 */
-    $("select[name='it_supply[]']").live("keyup", function(e) {
+    $("select.it_supply").live("keyup", function(e) {
         var $el = $(this);
         var code = e.keyCode;
         var val = $(this).val();
@@ -122,7 +122,7 @@ $(function() {
     });
 
     /* 키보드 접근 후 옵션 선택 Enter keydown 이벤트 대응 */
-    $("select[name='it_supply[]']").live("keydown", function(e) {
+    $("select.it_supply").live("keydown", function(e) {
         var $el = $(this);
         var code = e.keyCode;
         var val = $(this).val();
@@ -137,16 +137,16 @@ $(function() {
     });
 
     if(isAndroid) {
-        $("select[name='it_supply[]']").live("touchend", function() {
+        $("select.it_supply").live("touchend", function() {
             supply_add = true;
         });
     } else {
-        $("select[name='it_supply[]']").live("mousedown", function() {
+        $("select.it_supply").live("mousedown", function() {
             supply_add = true;
         });
     }
 
-    $("select[name='it_supply[]']").live("change", function() {
+    $("select.it_supply").live("change", function() {
         var $el = $(this);
         var val = $(this).val();
 
@@ -162,7 +162,7 @@ $(function() {
         var mode = $(this).text();
         var this_qty, max_qty = 9999, min_qty = 1;
         var $el_qty = $(this).closest("li").find("input[name^=ct_qty]");
-        var stock = parseInt($(this).closest("li").find("input[name='io_stock[]']").val());
+        var stock = parseInt($(this).closest("li").find("input.io_stock").val());
 
         switch(mode) {
             case "증가":
@@ -234,7 +234,7 @@ $(function() {
                     alert("수량은 1에서 9999 사이의 값으로 입력해 주십시오.");
                     $(this).val(1);
                 } else {
-                    var stock = parseInt($(this).closest("li").find("input[name='io_stock[]']").val());
+                    var stock = parseInt($(this).closest("li").find("input.io_stock").val());
                     if(d_val > stock) {
                         alert("재고수량 보다 많은 수량을 구매할 수 없습니다.");
                         $(this).val(stock);
@@ -253,9 +253,9 @@ function sel_option_process(add_exec)
     var id = "";
     var value, info, sel_opt, item, price, stock, run_error = false;
     var option = sep = "";
-    info = $("select[name='it_option[]']:last").val().split(",");
+    info = $("select.it_option:last").val().split(",");
 
-    $("select[name='it_option[]']").each(function(index) {
+    $("select.it_option").each(function(index) {
         value = $(this).val();
         item = $(this).closest("tr").find("th label").text();
 
@@ -344,8 +344,8 @@ function add_sel_option(type, id, option, price, stock)
     opt += "<input type=\"hidden\" name=\"io_type["+item_code+"][]\" value=\""+type+"\">\n";
     opt += "<input type=\"hidden\" name=\"io_id["+item_code+"][]\" value=\""+id+"\">\n";
     opt += "<input type=\"hidden\" name=\"io_value["+item_code+"][]\" value=\""+option+"\">\n";
-    opt += "<input type=\"hidden\" name=\"io_price[]\" value=\""+price+"\">\n";
-    opt += "<input type=\"hidden\" name=\"io_stock[]\" value=\""+stock+"\">\n";
+    opt += "<input type=\"hidden\" class=\"io_price\" value=\""+price+"\">\n";
+    opt += "<input type=\"hidden\" class=\"io_stock\" value=\""+stock+"\">\n";
     opt += "<span class=\"sit_opt_subj\">"+option+"</span>\n";
     opt += "<span class=\"sit_opt_prc\">"+opt_prc+"</span>\n";
     opt += "<div><input type=\"text\" name=\"ct_qty["+item_code+"][]\" value=\"1\" class=\"frm_input\" size=\"5\">\n";
@@ -404,8 +404,8 @@ function same_option_check(val)
 // 가격계산
 function price_calculate()
 {
-    var it_price = parseInt($("input[name=it_price]").val());
-    var $el_prc = $("input[name^=io_price]");
+    var it_price = parseInt($("input#it_price").val());
+    var $el_prc = $("input.io_price");
     var $el_qty = $("input[name^=ct_qty]");
     var $el_type = $("input[name^=io_type]");
     var price, type, qty, total = 0;
diff --git a/lib/shop.lib.php b/lib/shop.lib.php
index 793df8936..e98fb949e 100644
--- a/lib/shop.lib.php
+++ b/lib/shop.lib.php
@@ -948,7 +948,7 @@ function get_item_options($it_id, $subject)
                 $str .= '<tr>'.PHP_EOL;
                 $str .= '<th><label for="it_option_'.$seq.'">'.$subj[$i].'</label></th>'.PHP_EOL;
 
-                $select = '<select name="it_option[]" id="it_option_'.$seq.'"'.$disabled.'>'.PHP_EOL;
+                $select = '<select id="it_option_'.$seq.'" class="it_option"'.$disabled.'>'.PHP_EOL;
                 $select .= '<option value="">선택</option>'.PHP_EOL;
                 for($k=0; $k<$opt_count; $k++) {
                     $opt_val = $opt[$k];
@@ -966,7 +966,7 @@ function get_item_options($it_id, $subject)
         $str .= '<tr>'.PHP_EOL;
         $str .= '<th><label for="it_option_1">'.$subj[0].'</label></th>'.PHP_EOL;
 
-        $select = '<select name="it_option[]" id="it_option_1">'.PHP_EOL;
+        $select = '<select id="it_option_1" class="it_option">'.PHP_EOL;
         $select .= '<option value="">선택</option>'.PHP_EOL;
         for($i=0; $row=sql_fetch_array($result); $i++) {
             if($row['io_price'] >= 0)
@@ -1036,7 +1036,7 @@ function get_item_supply($it_id, $subject)
             $str .= '<tr>'.PHP_EOL;
             $str .= '<th><label for="it_supply_'.$seq.'">'.$subj[$i].'</label></th>'.PHP_EOL;
 
-            $select = '<select name="it_supply[]" id="it_supply_'.$seq.'">'.PHP_EOL;
+            $select = '<select id="it_supply_'.$seq.'" class="it_supply">'.PHP_EOL;
             $select .= '<option value="">선택</option>'.PHP_EOL;
             for($k=0; $k<$opt_count; $k++) {
                 $opt_val = $opt[$k];
diff --git a/mobile/shop/item.php b/mobile/shop/item.php
index 1a39e8197..622a2f36e 100644
--- a/mobile/shop/item.php
+++ b/mobile/shop/item.php
@@ -308,7 +308,7 @@ else
                 <th scope="row">판매가격</th>
                 <td>
                     <?php echo number_format(get_price($it)); ?> 원
-                    <input type="hidden" name="it_price" value="<?php echo get_price($it); ?>">
+                    <input type="hidden" id="it_price" value="<?php echo get_price($it); ?>">
                 </td>
             </tr>
 
@@ -405,8 +405,8 @@ else
                         <input type="hidden" name="io_type[<?php echo $it_id; ?>][]" value="0">
                         <input type="hidden" name="io_id[<?php echo $it_id; ?>][]" value="">
                         <input type="hidden" name="io_value[<?php echo $it_id; ?>][]" value="<?php echo $it['it_name']; ?>">
-                        <input type="hidden" name="io_price[]" value="0">
-                        <input type="hidden" name="io_stock[]" value="<?php echo $it['it_stock_qty']; ?>">
+                        <input type="hidden" class="io_price" value="0">
+                        <input type="hidden" class="io_stock" value="<?php echo $it['it_stock_qty']; ?>">
                         <span class="sit_opt_subj"><?php echo $it['it_name']; ?></span>
                         <span class="sit_opt_prc">(+0원)</span>
                         <div>
@@ -632,7 +632,7 @@ else
     function fitemcheck(f, act)
     {
         // 판매가격이 0 보다 작다면
-        if (f.it_price.value < 0)
+        if (document.getElementById("it_price").value < 0)
         {
             alert("전화로 문의해 주시면 감사하겠습니다.");
             return;
diff --git a/shop/cartoption.php b/shop/cartoption.php
index 8a7529f55..6c2f05358 100644
--- a/shop/cartoption.php
+++ b/shop/cartoption.php
@@ -27,7 +27,7 @@ if(!mysql_num_rows($result))
 <form name="foption" method="post" action="<?php echo G4_SHOP_URL; ?>/cartupdate.php" onsubmit="return formcheck(this);">
 <input type="hidden" name="act" value="optionmod">
 <input type="hidden" name="it_id[]" value="<?php echo $it['it_id']; ?>">
-<input type="hidden" name="it_price" value="<?php echo $row2['ct_price']; ?>">
+<input type="hidden" id="it_price" value="<?php echo $row2['ct_price']; ?>">
 <input type="hidden" name="ct_send_cost" value="<?php echo $row2['ct_send_cost']; ?>">
 <input type="hidden" name="sw_direct">
 <?php
@@ -96,8 +96,8 @@ if($option_2) {
             <input type="hidden" name="io_type[<?php echo $it['it_id']; ?>][]" value="<?php echo $row['io_type']; ?>">
             <input type="hidden" name="io_id[<?php echo $it['it_id']; ?>][]" value="<?php echo $row['io_id']; ?>">
             <input type="hidden" name="io_value[<?php echo $it['it_id']; ?>][]" value="<?php echo $row['ct_option']; ?>">
-            <input type="hidden" name="io_price[]" value="<?php echo $row['io_price']; ?>">
-            <input type="hidden" name="io_stock[]" value="<?php echo $it_stock_qty; ?>">
+            <input type="hidden" class="io_price" value="<?php echo $row['io_price']; ?>">
+            <input type="hidden" class="io_stock" value="<?php echo $it_stock_qty; ?>">
             <span class="sit_opt_subj"><?php echo $row['ct_option']; ?></span>
             <span class="sit_opt_prc"><?php echo $io_price; ?></span>
             <div>
diff --git a/shop/item.php b/shop/item.php
index 1d4a9de4e..70a2d49f7 100644
--- a/shop/item.php
+++ b/shop/item.php
@@ -298,7 +298,7 @@ else
                 <th scope="row">판매가격</th>
                 <td>
                     <?php echo number_format(get_price($it)); ?> 원
-                    <input type="hidden" name="it_price" value="<?php echo get_price($it); ?>">
+                    <input type="hidden" id="it_price" value="<?php echo get_price($it); ?>">
                 </td>
             </tr>
 
@@ -401,8 +401,8 @@ else
                         <input type="hidden" name="io_type[<?php echo $it_id; ?>][]" value="0">
                         <input type="hidden" name="io_id[<?php echo $it_id; ?>][]" value="">
                         <input type="hidden" name="io_value[<?php echo $it_id; ?>][]" value="<?php echo $it['it_name']; ?>">
-                        <input type="hidden" name="io_price[]" value="0">
-                        <input type="hidden" name="io_stock[]" value="<?php echo $it['it_stock_qty']; ?>">
+                        <input type="hidden" class="io_price" value="0">
+                        <input type="hidden" class="io_stock" value="<?php echo $it['it_stock_qty']; ?>">
                         <span class="sit_opt_subj"><?php echo $it['it_name']; ?></span>
                         <span class="sit_opt_prc">(+0원)</span>
                         <div>
@@ -652,7 +652,7 @@ else
     function fitemcheck(f, act)
     {
         // 판매가격이 0 보다 작다면
-        if (f.it_price.value < 0)
+        if (document.getElementById("it_price").value < 0)
         {
             alert("전화로 문의해 주시면 감사하겠습니다.");
             return;