opera possible fix for labelTest

backend.php

@@ -2281,7 +2281,7 @@
 
 			print "<div align='right'>";
 
-			print "<input type=\"submit\" onclick=\"labelTest()\" value=\"Test\">
+			print "<input type=\"submit\" onclick=\"return labelTest()\" value=\"Test\">
 				";
 
 			print "<input type=\"submit\" 

prefs.js

@@ -734,12 +734,12 @@ function labelEditSave() {
 
 	if (sql_exp.length == 0) {
 		alert("SQL Expression cannot be blank.");
-		return;
+		return false;
 	}
 
 	if (description.length == 0) {
 		alert("Caption field cannot be blank.");
-		return;
+		return false;
 	}
 
 	closeInfoBox();