뒤로가기 URL 처리 기능 추가

src/main/webapp/WEB-INF/jsp/nlib/cmm/common.jsp

@@ -9,3 +9,17 @@
 <br />
 메시지 : ${message}  
       
+<button name="btnGoBack" id="" onclick="fn_goback()" value="돌아가기" title="돌아가기" />
+
+<form name="gobackForm" id="gobackForm" />
+
+<script>
+function fn_goback() {
+	<c:if test="${empty goBackUrl}">
+	history.back();
+	</c:if>
+    <c:if test="${not empty goBackUrl}">
+    $("#gobackForm").submit("${goBackUrl}");
+    </c:if>
+}
+</script>