the page is asp, not php, here's the link...
SignIn.asp
you'll notice below the form "", this is where the cookie is displayed (as text) when it has been written. I've used the same code to display the cookie in the eMail text box
this is the code I've used
<input name="txtSIGN" type="text" class="LogInTEXT" id="txtSIGN" value="<%=cStr(Request.Cookies("DSemail"))%>" size="40">