onClick="window.close()">
<?
if
(!
eregi
(
"^
[
_a-z0-9-
]
+(\.
[
_a-z0-9-
]
+)*@
[
a-z0-9-
]
+(\.
[
a-z0-9-
]
+)*
$
"
,
$email
))
{
echo
"<font color=red>This is not a valid email</font><p>"
;