diff -r -u linden-orig/indra/llcommon/lluri.cpp linden/indra/llcommon/lluri.cpp
--- linden-orig/indra/llcommon/lluri.cpp	2007-12-12 16:14:30.000000000 +0900
+++ linden/indra/llcommon/lluri.cpp	2007-12-21 12:29:15.421875000 +0900
@@ -55,9 +55,11 @@
 		std::string::value_type c = *it;
 		if(allowed.find(c) == std::string::npos)
 		  {
+		    // Do escaping
+		    // A mask is required because of treatment for Sign-extension
 		    ostr << "%"
 			 << std::uppercase << std::hex << std::setw(2) << std::setfill('0')
-			 << static_cast<U32>(c);
+			 << (static_cast<U32>(c) & 0xFF);
 		  }
 		else
 		  {
@@ -68,6 +70,50 @@
 }
 
 // static
+std::string LLURI::uriescape(const std::string& str)
+{
+	if (str.empty())
+	{
+		return str;
+	}
+
+	// Replace spaces with "+" for use by Google search appliance
+	// Yes, this actually works for double-spaces
+	// " foo  bar" becomes "+foo++bar" and works fine. JC
+
+	// Since we are already iterating over the query,
+	// do our own custom escaping here.
+
+	// Our own special set of allowed chars (RFC1738 http://www.ietf.org/rfc/rfc1738.txt)
+	const char* allowed =   
+		"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+		"0123456789"
+		"-._~$+!*'()";
+
+	std::string ostr;
+	std::string::const_iterator it = str.begin();
+	for ( ; it != str.end(); ++it )
+	{
+		if ( std::isspace( *it ) )
+		{
+			ostr += '+';
+		}
+		else if(strchr(allowed,*it))
+		{
+			// The character is in the allowed set, just copy it
+			ostr += *it;
+		}
+		else
+		{
+			// Do escaping
+			// A mask is required because of treatment for Sign-extension
+			ostr += llformat("%%%02X", (*it) & 0xFF);
+		}
+	}
+	return ostr;
+}
+
+// static
 std::string LLURI::unescape(const std::string& str)
 {
 	std::ostringstream ostr;
diff -r -u linden-orig/indra/llcommon/lluri.h linden/indra/llcommon/lluri.h
--- linden-orig/indra/llcommon/lluri.h	2007-12-12 16:14:30.000000000 +0900
+++ linden/indra/llcommon/lluri.h	2007-12-19 10:08:48.031250000 +0900
@@ -131,6 +131,7 @@
 	static std::string escape(
 		const std::string& str,
 		const std::string & allowed); 
+	static std::string uriescape(const std::string& str);
 	static std::string unescape(const std::string& str);
 	//@}
 
diff -r -u linden-orig/indra/newview/llpaneldirfind.cpp linden/indra/newview/llpaneldirfind.cpp
--- linden-orig/indra/newview/llpaneldirfind.cpp	2007-12-12 16:14:34.000000000 +0900
+++ linden/indra/newview/llpaneldirfind.cpp	2007-12-19 12:03:20.046875000 +0900
@@ -179,38 +179,10 @@
 {
 	if (!search_text.empty())
 	{
-		// Replace spaces with "+" for use by Google search appliance
-		// Yes, this actually works for double-spaces
-		// " foo  bar" becomes "+foo++bar" and works fine. JC
-
-		// Since we are already iterating over the query,
-		// do our own custom escaping here.
-
-		// Our own special set of allowed chars (RFC1738 http://www.ietf.org/rfc/rfc1738.txt)
-		const char* allowed =   
-			"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
-			"0123456789"
-			"-._~$+!*'()";
-
 		std::string query;
-		std::string::const_iterator it = search_text.begin();
-		for ( ; it != search_text.end(); ++it )
-		{
-			if ( std::isspace( *it ) )
-			{
-				query += '+';
-			}
-			else if(strchr(allowed,*it))
-			{
-				// The character is in the allowed set, just copy it
-				query += *it;
-			}
-			else
-			{
-				// Do escaping
-				query += llformat("%%%02X", *it);
-			}
-		}
+
+		// Do URI escaping
+		query = LLURI::uriescape(search_text);
 
 		std::string url = gSavedSettings.getString("SearchURLQuery");
 		std::string substring = "[QUERY]";