Gelen Veri Yoksa Veri Yok Yazmasını istiyorum

<title>Alt Kategori</title>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1254">
<?include("config.php");?>
<?$alt2kat = $_POST["alt2kat"];?>
<?if($alt2kat==""){?>
<font color=red>Alt Kategori Seçin</font>
<?}else{?>
<table border="0" style="border-collapse: collapse" width="299" height="358">
            <tr>
             <td width="220" valign="top">
<select style="width:175px;" size="12" name="category" id="category" onchange="ac('kat-secildi')" onclick="this.style.background='#FFFFCB'">
<?
$sqlx="SELECT * FROM class_categories WHERE parent_id='$alt2kat'";
$sorgux=mysql_query($sqlx);
while($altkatyaz=mysql_fetch_array($sorgux)){
$sqlx3="SELECT * FROM class_categories_lang WHERE id='$altkatyaz[id]'";
$sorgux3=mysql_query($sqlx3);
while($altkatyaz3=mysql_fetch_array($sorgux3)){
$veri = $altkatyaz3[name];
$veri = str_replace("Ç","Ç",$veri);
$veri = str_replace("ç","ç",$veri);
$veri = str_replace("Ğ","Ğ",$veri);
$veri = str_replace("ğ","ğ",$veri);
$veri = str_replace("İ","İ",$veri);
$veri = str_replace("ı","ı",$veri);
$veri = str_replace("Ö","Ö",$veri);
$veri = str_replace("ö","ö",$veri);
$veri = str_replace("Ş","Ş",$veri);
$veri = str_replace("ş","ş",$veri);
$veri = str_replace("Ü","Ü",$veri);
$veri = str_replace("ü","ü",$veri);
echo "<option value='$altkatyaz[id]'>--$veri</option>";
}
}
?>
</select></td>
             <td width="75" valign="top">
<div style="display: none;" id="kat-secildi">
<input type="submit" name="submit" value="" style="background-image:url('kategori-secildi.png'); width:170; height:208; border:0; cursor:hand;"></div></td>
            </tr>
            </table>
<?}?>

<title>Alt Kategori</title>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1254">
<?include("config.php");?>
<?$alt2kat = $_POST["alt2kat"];?>
<?if($alt2kat==""){?>
<font color=red>Alt Kategori Seçin</font>
<?}else{?>
<table border="0" style="border-collapse: collapse" width="299" height="358">
            <tr>
             <td width="220" valign="top">
<select style="width:175px;" size="12" name="category" id="category" onchange="ac('kat-secildi')" onclick="this.style.background='#FFFFCB'">
<?
$sqlx="SELECT * FROM class_categories WHERE parent_id='$alt2kat'";
$sorgux=mysql_query($sqlx);
if(mysql_num_rows($sorgux)=="0"){echo "veri yok";}else{
while($altkatyaz=mysql_fetch_array($sorgux)){
$sqlx3="SELECT * FROM class_categories_lang WHERE id='$altkatyaz[id]'";
$sorgux3=mysql_query($sqlx3);
if(mysql_num_rows($sorgux3)=="0"){echo "veri yok";}else{
while($altkatyaz3=mysql_fetch_array($sorgux3)){
$veri = $altkatyaz3[name];
$veri = str_replace("Ç","Ç",$veri);
$veri = str_replace("ç","ç",$veri);
$veri = str_replace("Ğ","Ğ",$veri);
$veri = str_replace("ğ","ğ",$veri);
$veri = str_replace("İ","İ",$veri);
$veri = str_replace("ı","ı",$veri);
$veri = str_replace("Ö","Ö",$veri);
$veri = str_replace("ö","ö",$veri);
$veri = str_replace("Ş","Ş",$veri);
$veri = str_replace("ş","ş",$veri);
$veri = str_replace("Ü","Ü",$veri);
$veri = str_replace("ü","ü",$veri);
echo "<option value='$altkatyaz[id]'>--$veri</option>";
}
}
}
}
?>
</select></td>
             <td width="75" valign="top">
<div style="display: none;" id="kat-secildi">
<input type="submit" name="submit" value="" style="background-image:url('kategori-secildi.png'); width:170; height:208; border:0; cursor:hand;"></div></td>
            </tr>
            </table>
<?}?>

if(!empty($deger)){ //değerin boş olup olmadığına bakıyoruz.
echo"deger bos";
}