Javascript value change
<pre><code>if(isset($_POST['album_title'])) {
$album_title = $_POST['album_title'];
if($_FILES['pic_nr1']['type'] == 'image/jpeg' ||
    $_FILES['pic_nr1']['type'] == 'image/jpg' ||
    $_FILES['pic_nr1']['type'] == 'image/png' ||
    $_FILES['pic_nr1']['type'] == 'image/gif' &amp;

    $_FILES['pic_nr2']['type'] == 'image/jpeg' ||
    $_FILES['pic_nr2']['type'] == 'image/jpg' ||
    $_FILES['pic_nr2']['type'] == 'image/png' ||
    $_FILES['pic_nr2']['type'] == 'image/gif' &amp;

    $_FILES['pic_nr3']['type'] == 'image/jpeg' ||
    $_FILES['pic_nr3']['type'] == 'image/jpg' ||
    $_FILES['pic_nr3']['type'] == 'image/png' ||
    $_FILES['pic_nr3']['type'] == 'image/gif'
    ) {

    } else {
?&gt;
&lt;script type="text/javascript"&gt;
    document.getElementById("error_for_js").innerHTML = "Bilžu formāts nav derīgs!    &lt;small&gt; GIF, JPEG, JPG, PNG ir autļauti.&lt;/small&gt;";
&lt;/script&gt;
&lt;?php

    }

}
?&gt;


&lt;form enctype="multipart/form-data" method='post' action='' onsubmit='if(document.getElementById("titleeee").value.length &lt; 3 ) { document.getElementById("error_for_js").innerHTML = "Albūma nosaukumam ir jābūt garākam!"; return false; } else { return true; }'  &gt;
     &lt;p id='error_for_js'&gt;&lt;/p&gt;
    Albūma nosaukums: &lt;input id='titleeee' type='text' name='album_title' /&gt;&lt;br /&gt;

    Bilde Nr 1: &lt;input type='file' name='pic_nr1' /&gt;&lt;br /&gt;
    Bilde Nr 2: &lt;input type='file' name='pic_nr2' /&gt;&lt;br /&gt;
    Bilde Nr 3: &lt;input type='file' name='pic_nr2' /&gt;&lt;br /&gt;

    Aktīvs*: &lt;select&gt;
                &lt;option&gt;Jā&lt;/option&gt;
                &lt;option&gt;Nē&lt;/option&gt;
            &lt;/select&gt;&lt;br /&gt;
    &lt;input  type='submit' value='Pievienot' /&gt;
&lt;/form&gt;
</code></pre>

<p>I dont understand why value of <code>id='error_for_js'</code> dont change if file format is wrong, i did the <code>getElementById('error_for_js').innerHTML = 'new value'</code>; but its not changing  !? Ideas ?</p>
