In entrambi i casi delle vostre stringhe:

Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or `T_NUM_STRING' in D:\********\modify_news.php on line 188


<?php
include("../config/config.php");
$db = mysql_connect ("$db_host", "$db_login", "$db_pass");
$result = mysql_db_query ("$database","SELECT * FROM newsreader WHERE id=$action");
$color1 = '#000000';
$color2 = '#000000';

$pari = false;
while ($row = mysql_fetch_array ($result)) {
if ($pari) $color = $color1;
else $color = $color2;
?>
<div align="center">
<form method="POST" action="send_modify.php">



<font size="2" face="Tahoma" color="#000000">Titolo</font>

<?php echo $row['field1']; ?><?php echo "".$row["id"]; ?><input type="hidden" value="<?=$row["id"]?>" name="action"?>
<?php echo $row['field1']; ?><?php echo "".$row["title"]; ?><input type=text value="<?=$row["title"]?>" name="title" size="40"?>
<select size="1" name="argomento">
<option selected>Seleziona</option>
<option value="army">America's Army News</option>
<option value="infocs">InFOCS News</option>
<option value="ladder">Ladder News</option>
<option value="tornei">Tornei News</option>
<option value="amichevoli">Amichevoli News</option>
<option value="varie">Generiche News</option>
</select>


<font face="Tahoma" size="2" color="#000000">News</font>

<?
echo"
<textarea name=\"news\" cols=\"53\">$row['news']</textarea>
";
?>
</p>



<input type="submit" value="Invia" name="B1">
</p>
</form>
<?php
$pari = !$pari;
}
mysql_close ($db);
?>

la linea 188 è questa

<textarea name=\"news\" cols=\"53\">$row['news']</textarea>