바로빌 전자세금계산서 솔루션 연결

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

lib/helper.php

@@ -0,0 +1,21 @@
+<?php
+
+function href($url)
+{
+	print " 
+			<script>
+			location.href = '$url';
+			</script>
+	";
+}
+
+function alert($msg)
+{
+	print " 
+			<script>   
+			alert('$msg'); 
+			</script>  
+	";
+}
+
+?>