Hi, As part of my process, I need to have authorized users approval document in the system I am building. I have setup a username/password call and ZSQL. But my problem is error checking. This is how I input the information <form name="form1" method="post" action="password_lookup"> <table width="75%" border="1"> <tr> <td width="27%">Last Name:</td> <td width="30%"> <input name="lastname" size="30" value=""> <td width="27%">Password:</td> <td width="30%"> <input name="password" size="20" value=""> <td width=27%"><input type="submit" name="Submit" value="Submit"> </td> </tr> </table> </form> On password_lookup I call <dtml-in check_password>. If this information is wrong the process continues and I want this to stop. How do I check if there is an error? Also, using <dtml-if> statements , how do I check if the field is empty? The reason is I need to let the user use the next empty approval block. Thanks. Larry McDonnell Proton Energy Systems 50 Inwood Rd. Rocky Hill, CT 06067 (860) 571-6533 ext. 531 Email:lmcdonnell@protonenergy.com www.protonenergy.com