Some Script Help

My company threw their website in my lap because our coder left and I don't know as much as i'd like to about ASP.

Could someone help me with these two problems...

1. I would like to add a statment to this code that if an image being called doesn't exist that the code would display a default image in the images folder. Something like if sEDP=null, then show the default. Again, I don't know how to code it, could someone help? Here is the code...

<img src="/images/p<%= sEDP %>b.jpg" border="2" alt="<%= sItemName %>">

2. We have an email op in form and i'd like to have a responder email sent to the user when they opt in. I guess the easiest way would be add a way to forward their email addres to an in house email where a automatic response would be set up. Here is the form code...

<form method="POST" action="emailsignup.asp" name="emailsignup2" onsubmit="return emailVal(this)">
<input type="text" NAME="email" SIZE="22" value="enter e-mail here" onClick="return clearemail2();">
<input type="submit" name="submit" value=" Sign Me Up! " STYLE="background-color: #CC0000; color: white; font-weight: bold; font-size: 11pt;">
</form>

How would I add it?

Thanks!!!

Please move this thread to the ASP forum. You'll probably get a quicker/better response there...