diff --git a/bbs/scrap_delete.php b/bbs/scrap_delete.php
index f79dae324..fff730588 100644
--- a/bbs/scrap_delete.php
+++ b/bbs/scrap_delete.php
@@ -1,10 +1,10 @@
 <?
 include_once('./_common.php');
 
-if (!$member[mb_id]) 
+if (!$is_member)
     alert('회원만 이용하실 수 있습니다.');
 
-$sql = " delete from {$g4[scrap_table]} where mb_id = '{$member[mb_id]}' and ms_id = '{$ms_id}' ";
+$sql = " delete from {$g4['scrap_table']} where mb_id = '{$member['mb_id']}' and ms_id = '$ms_id' ";
 sql_query($sql);
 
 goto_url('./scrap.php?page='.$page);
diff --git a/bbs/scrap_popin_update.php b/bbs/scrap_popin_update.php
index 7346de0ec..0d0f81c8e 100644
--- a/bbs/scrap_popin_update.php
+++ b/bbs/scrap_popin_update.php
@@ -91,7 +91,7 @@ sql_query($sql);
 
 echo <<<HEREDOC
 <script>
-    if (confirm('이 글을 스크랩 하였습니다.'."\n\n".'지금 스크랩을 확인하시겠습니까?'))
+    if (confirm('이 글을 스크랩 하였습니다.\\n\\n지금 스크랩을 확인하시겠습니까?'))
         document.location.href = './scrap.php';
     else
         window.close();
diff --git a/lib/common.lib.php b/lib/common.lib.php
index 951b2a609..03eea25c1 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -104,9 +104,9 @@ function set_cookie($cookie_name, $value, $expire)
 function get_cookie($cookie_name)
 {
     $cookie = md5($cookie_name);
-    if (array_key_exists($cookie, $_COOKIE)) 
+    if (array_key_exists($cookie, $_COOKIE))
         return base64_decode($_COOKIE[md5($cookie_name)]);
-    else 
+    else
         return "";
 }
 
@@ -803,7 +803,7 @@ function get_skin_select($skin_gubun, $id, $name, $selected='', $event='')
 function option_selected($value, $selected, $text='')
 {
     if (!$text) $text = $value;
-    if ($value == $selected) 
+    if ($value == $selected)
         return "<option value=\"$value\" selected=\"selected\">$text</option>\n";
     else
         return "<option value=\"$value\">$text</option>\n";
@@ -1589,7 +1589,7 @@ function convert_charset($from_charset, $to_charset, $str)
 // mysql_real_escape_string 의 alias 기능을 한다.
 function escape_trim($field)
 {
-    return mysql_real_escape_string(htmlentities(trim($field)));
+    return mysql_real_escape_string(trim($field));
 }
 
 
@@ -1620,7 +1620,7 @@ function abs_ip2long($ip='')
 }
 
 
-function get_selected($field, $value, $first=false) 
+function get_selected($field, $value, $first=false)
 {
     $selected = ($field==$value) ? ' selected="selected"' : '';
     if ($first && !$selected)