function fileurl($fileId,$fileTitle) {
    global $siteurl, $sefriendly;
    if ($sefriendly == '1') {
        $fileTitle = str_replace(" ","-",$fileTitle);
        $fileTitle = str_replace("'","_",$fileTitle);
        $fileTitle = str_replace(":","_",$fileTitle);
        $fileTitle = str_replace("ä","a",$fileTitle);
        $fileTitle = str_replace("ö","o",$fileTitle);
        $fileTitle = str_replace("ü","u",$fileTitle);
        $fileTitle = str_replace("Ü","U",$fileTitle);
        $fileTitle = str_replace("ı","i",$fileTitle);
        $fileTitle = str_replace("ö","o",$fileTitle);
        $fileTitle = str_replace("ç","c",$fileTitle);
        $fileTitle = str_replace("Ç","c",$fileTitle);
        $fileTitle = str_replace("ğ","g",$fileTitle);
        $fileTitle = str_replace("ş","s",$fileTitle);
        $fileTitle = str_replace("Ç","c",$fileTitle);
        $fileTitle = str_replace("I","i",$fileTitle);
        $fileTitle = str_replace("Ö","o",$fileTitle);
        $fileTitle = str_replace("Ğ","g",$fileTitle);
        $fileTitle = str_replace("Ş","s",$fileTitle);
        $fileTitle = str_replace("Ş","s",$fileTitle);
        $fileTitle = str_replace("İ","i",$fileTitle);
        $fileTitle = str_replace("'","-",$fileTitle);
        $fileTitle = str_replace(".","-",$fileTitle);
        $fileTitle = str_replace("&","",$fileTitle);
        $fileurl = $siteurl."/video/".$fileId."/".$fileTitle.".html";
    } else {
        $fileurl = $siteurl."/file.php?f=".$fileId;
    }
    return $fileurl;
}
function categoryurl($categoryId,$categoryname) {
    global $siteurl, $sefriendly;
    if ($sefriendly == '1') {
        $categoryname = str_replace(" ","-",$categoryname);
        $categoryname = str_replace("'","_",$categoryname);
        $categoryname = str_replace(":","_",$categoryname);
        $categoryname = str_replace("ä","a",$categoryname);
        $categoryname = str_replace("ö","o",$categoryname);
        $categoryname = str_replace("ü","u",$categoryname);
        $categoryname = str_replace("Ü","U",$categoryname);
        $categoryname = str_replace("ı","i",$categoryname);
        $categoryname = str_replace("ö","o",$categoryname);
        $categoryname = str_replace("ç","c",$categoryname);
        $categoryname = str_replace("Ç","c",$categoryname);
        $categoryname = str_replace("ğ","g",$categoryname);
        $categoryname = str_replace("ş","s",$categoryname);
        $categoryname = str_replace("Ç","c",$categoryname);
        $categoryname = str_replace("I","i",$categoryname);
        $categoryname = str_replace("Ö","o",$categoryname);
        $categoryname = str_replace("Ğ","g",$categoryname);
        $categoryname = str_replace("Ş","s",$categoryname);
        $categoryname = str_replace("Ş","s",$categoryname);
        $categoryname = str_replace("İ","i",$categoryname);
        $categoryname = str_replace("'","-",$categoryname);
        $categoryname = str_replace(".","-",$categoryname);
        $categoryname = str_replace("&","",$categoryname);
        $categoryurl = $siteurl."/bolum/".$categoryId."/".$categoryname;
    } else {
        $categoryurl = $siteurl."/browse.php?c=".$categoryId;
    }
    return $categoryurl;
}
function profileurl($userid,$username) {
    global $siteurl, $sefriendly;
    if ($sefriendly == '1') {
        $username = str_replace(" ","-",$username);
        $username = str_replace("'","_",$username);
        $username = str_replace("ä","a",$username);
        $username = str_replace("ö","o",$username);
        $username = str_replace("ü","y",$username);
        $profileurl = $siteurl."/uye/".$userid."/".$username.".html";
    } else {
        $profileurl = $siteurl."/profile.php?u=".$userid;
    }
    return $profileurl;
}