how to use html to send an email without box?

[cody]

there is this conformation box that keeps appearing when you click send
http://i642.photobucket.com/albums/uu148/kobzinfinity/clip0131_0001.jpg?t=1255991014
and i need the html code to send it without that box appearing, here is my code so far:
<CENTER>
<FORM METHOD=POST ACTION="mailto:email@[email protected]" ENCTYPE="text/plain">
<INPUT TYPE="text" NAME="name"> : Name <BR>
<INPUT TYPE="text" NAME="comment"> : Comment <BR>
</TEXTAREA>
<BR>
<INPUT TYPE="submit" VALUE="Login">
</FORM>
</CENTER>