Set #input1 to $nothing, Set #input2 to $nothing. Add a button (labeled 'Continue') below your 2 inputs that links to a define called Check Input1. In that define, use: - - - - - - - if #input1 = $nothing Load html (<html><body> <center><h1>Oops!</h1></center> You must enter something in the box labeled 'Input 1'. <br><br> After entering data into the Input 1 Box, Click on the "Continue' button to proceed.<br><br> </body></html> Wait 2 seconds Check Input1 - - - - - - - - Below this define, create a similar define