I cannot get to the screen to add new names to the form I created

If I understood you correctly you want to change Name/Title of your form.

I have checked your forms and one of them dose not have title. Inside of this guide you can find out how to change the Title/Name of your Form:

http://www.jotform.com/help/179-How-to-change-the-Title-Name-of-your-Form 

Hope this will help. Let us know if you need further assistance.