what is the problem with my php&wml code?

[unhappyboy]

hi everyone i wrote a code with using php and wml. Ýt is working in www.wapsilon.com's wap browser and my winwap browser but it isnt work in my ericsson r520m. Could you check my code if there is a mistake or something?

<?php
// send wml headers
header("Content-type: text/vnd.wap.wml");
echo "<?xml version=\"1.0\"?>";
echo "<!DOCTYPE wml PUBLIC \"-//WAPFORUM//DTD WML 1.1//EN\""
. " \"http://www.wapforum.org/DTD/wml_1.1.xml\">";
?>
<wml>
<card id="card1" title="Poly Melodies">
<p>
<?php
//Ýnclude a page to connect database.
include("ekler/rd.php");
#Count melodies per cat
$yerlisorgu = mysql_query("select * from $tablo WHERE cid=15 and description='yerli'");
$yerlisayi=mysql_num_rows($yerlisorgu);
$yabancisorgu = mysql_query("select * from $tablo WHERE cid=15 and description='yabanci'");
$yabancisayi=mysql_num_rows($yabancisorgu);

$kat = $_GET["kat"];
if(!$kat) {
//if user doesnt choose a cat show cat page
echo("<a href=\"$melodiler?kat=yerli\">Türkçe Melodi</a> &nbsp;($yerlisayi) <br/>");
echo("<a href=\"$melodiler?kat=yabanci\">Yabanci Melodi</a> &nbsp;($yabancisayi)<br/>");
echo("<a href=\"arama.php\">Melodi Ara</a><br/>");
}
else{
$sayfa = $_GET["sayfa"];
if(!$sayfa) $sayfa =1;
$harfibas = $_GET["harfibas"];
if(!$harfibas){
# show record 9 per page
$kacharf = 9;
$toplam = mysql_num_rows(mysql_query("select harf from harf"));
$kacsayfa = $toplam / $kacharf;
$kactan = ($sayfa-1) * $kacharf;
$kayitlar = mysql_query("select * from harf limit $kactan, $kacharf");
#show letters
while($kayit = mysql_fetch_array($kayitlar)){
$harfsorgu = mysql_query("select * from $tablo WHERE cid=15 and description='$kat' and title like '$kayit[1]%'");
$harfsayi=mysql_num_rows($harfsorgu);
echo ("<br/><a href=\"$melodiler?kat=$kat&sayfa=$sayfa&harfibas=$ kayit[1]\">$kayit[1]&nbsp;($harfsayi)</a>");
}
# write bottom links.
echo ("<br/><br/>");
linkp ("$melodiler?kat=$kat&sayfa=1","A-I");
linkp ("$melodiler?kat=$kat&sayfa=2","J-S");
linkp ("$melodiler?kat=$kat&sayfa=3","T-Z");
}
else{
#show melodies which starts $harfibas
$harfkayitlar = mysql_query("select * from $tablo WHERE cid=15 and description='$kat' and title like '$harfibas%'");
#check query
if (@mysql_num_rows($harfkayitlar) > 0) {
$i=1;
while($harfkayit = mysql_fetch_array($harfkayitlar)){
$harfkayit[3]=strtolower($harfkayit[3]);
echo ("$i.<a href=\"$harfkayit[4]\">$harfkayit[3]</a><br/>");
$i++;
}
}
else
{
#write error message
echo("Bu harfle baþlayan melodi bulunmuyor.");
}
# write bottom links.
echo ("<br/>");
linkp ("$melodiler?kat=$kat&sayfa=1","A-I");
linkp ("$melodiler?kat=$kat&sayfa=2","J-S");
linkp ("$melodiler?kat=$kat&sayfa=3","T-Z");

}
echo("<br/>");
linkp ("$melodiler","Melodi");
}
?>
</p>
</card>
</wml>