diff --git a/adm/sms_admin/sms_write.php b/adm/sms_admin/sms_write.php
index c43d3d502..5138d8b39 100644
--- a/adm/sms_admin/sms_write.php
+++ b/adm/sms_admin/sms_write.php
@@ -24,7 +24,7 @@ if ($config['cf_sms_use'] == 'icode') { // 아이코드 사용
     </div>
 
     <div id="send_write">
-        <form name="form_sms" id="form_sms" method="post" action="sms_write_send.php" onsubmit="return send(this);" >
+        <form name="form_sms" id="form_sms" method="post" action="sms_write_send.php" onsubmit="return sms5_chk_send(this);"  >
         <input type="hidden" name="send_list" value="">
 
         <h2>보낼내용</h2>
@@ -230,38 +230,43 @@ function overlap_check()
     })(jQuery);
 }
 
-function send(f)
+var is_sms5_submitted = false;  //중복 submit방지
+function sms5_chk_send(f)
 {
-    var hp_list = document.getElementById('hp_list');
-    var wr_message = document.getElementById('wr_message');
-    var hp_number = document.getElementById('hp_number');
-    var list = '';
+    if( is_sms5_submitted == false ){
+        is_sms5_submitted = true;
+        var hp_list = document.getElementById('hp_list');
+        var wr_message = document.getElementById('wr_message');
+        var hp_number = document.getElementById('hp_number');
+        var list = '';
 
-    if (!wr_message.value) {
-        alert('메세지를 입력해주세요.');
-        wr_message.focus();
-        return false;
+        if (!wr_message.value) {
+            alert('메세지를 입력해주세요.');
+            wr_message.focus();
+            is_sms5_submitted = false;
+            return false;
+        }
+
+        if (hp_list.length < 1) {
+            alert('받는 사람을 입력해주세요.');
+            hp_number.focus();
+            is_sms5_submitted = false;
+            return false;
+        }
+
+        for (i=0; i<hp_list.length; i++)
+            list += hp_list.options[i].value + '/';
+
+        w = document.body.clientWidth/2 - 200;
+        h = document.body.clientHeight/2 - 100;
+        act = window.open('sms_ing.php', 'act', 'width=300, height=200, left=' + w + ', top=' + h);
+        act.focus();
+
+        f.send_list.value = list;
+        return true;
+    } else {
+        alert("데이터 전송중입니다.");
     }
-
-    if (hp_list.length < 1) {
-        alert('받는 사람을 입력해주세요.');
-        hp_number.focus();
-        return false;
-    }
-
-    for (i=0; i<hp_list.length; i++)
-        list += hp_list.options[i].value + '/';
-
-    w = document.body.clientWidth/2 - 200;
-    h = document.body.clientHeight/2 - 100;
-    act = window.open('sms_ing.php', 'act', 'width=300, height=200, left=' + w + ', top=' + h);
-    act.focus();
-
-    f.target = '';
-    f.action = 'sms_write_send.php';
-    f.send_list.value = list;
-    f.submit();
-    return true;
 }
 
 function hp_add()
@@ -645,6 +650,9 @@ var sms_obj={
     }
 };
 (function($){
+    $("#form_sms input[type=text], #form_sms select, #form_sms textare").keypress(function(e){
+        return e.keyCode != 13;
+    });
     sms_obj.fn_paging = function( hash_val,total_page,$el,$search_form ){
         $el.paging({
             current:hash_val ? hash_val : 1,