Possible Answers

1. document.myphoto.src = "url_of_the_image";
   as in

   document.myphoto.src = "http://www.webdevelopers.com/myphoto.jpg";

   
   or through a relative URL as
   

   document.myphoto.src = "myphoto.jpg";

2. document.contactfrom.yourname.value = "some_text";
   as in
   

   document.contactform.yourname.value = "Please type your name here";