<form action="<? echo $PHP_SELF ; ?>" method="post">
<input type="text" name="ara" />
<input type="radio" value="1" name="arama">Sitede<input type="radio" value="2" checked name="arama">Google.Com
<input type="submit" value="Arama Yap" />
</form>

<?
if ( $arama == "1" )
{
$siteadi = "www.pctekno.net";
$ara = $_POST['ara'];
$ara = str_replace(" ","+",$ara);
$ara = stripslashes($ara);

header("Location: http://www.google.com/search?as_q=$ara&hl=tr&rlz=1T4HPN
D_en___TR234&num=10&btnG=Google%27da+Ara&as_epq=&as_oq=
&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_occt=any&as_dt=
i&as_sitesearch=$siteadi&as_rights=");
}
elseif ( $arama == "2" )
{
$ara = $_POST['ara'];
$ara = str_replace(" ","+",$ara);
$ara = stripslashes($ara);
header("Location: http://www.google.com.tr/search?hl=tr&rlz=1
T4HPND_en___TR234&as_qdr=all&q=$ara&meta=");
}
else
{
echo "Doğru Yerden Geçiş Yapmalısınız" ;
}
?>