diff --git a/utils_dev/trl/encode.html b/utils_dev/trl/encode.html
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+<html><head><title>js escape()/unescape() function</title>
+
+
+
+
+
+<meta http-equiv="content-type" content="text/html; charset=UTF-8"></head><body>
+
+<pre>JavaScript escape()/unescape() function test
+</pre>
+
+<form name="encode">
+<textarea rows="10" cols="60" name="src"></textarea>
+<input onclick="utfEncode();" value="encode" type="button">
+<textarea rows="10" cols="60" name="dest"></textarea>
+<input onclick="utfDecode();" value="decode" type="button">
+</form>
+
+<script language="JavaScript">
+
+function utfEncode(){
+var str = document.encode.src.value;
+str=escape(str)
+str=str.replace(/%/g, "\\");
+str=str.toLowerCase(); 
+
+document.encode.dest.value=str;
+
+}
+
+function utfDecode(){
+var str = document.encode.dest.value
+str=str.replace(/\\/g, "%");
+document.encode.src.value
+=unescape(str);
+
+}
+
+</script>
+
+
+</body></html>
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