I have the following code in a form:

<?
                    for ($n = 0; $n < count($filelist); $n++)
                    {
                        printf ("<button type='submit' name='imgnam' value='%s'>", $filelist[$n]);
                        printf ("<img src='%s' width='100' />", $dirname . $filelist[$n] . ".gif");
                        print   "</button>";
                        printf ("<br>%s</p>\n", $filelist[$n]);
                    }
                ?>

$dirname contains the directory value $filelist[] contains all .JPG file names found in the $dirname directory

This generates the following HTML code:

<button type='submit' name='imgnam' value='File0001'><img src='./Lemmons/10-24-91/File0001.gif' width='100' /></button><br>File0001</p>
<button type='submit' name='imgnam' value='File0002'><img src='./Lemmons/10-24-91/File0002.gif' width='100' /></button><br>File0002</p>
<button type='submit' name='imgnam' value='File0003'><img src='./Lemmons/10-24-91/File0003.gif' width='100' /></button><br>File0003</p>
<button type='submit' name='imgnam' value='File0004'><img src='./Lemmons/10-24-91/File0004.gif' width='100' /></button><br>File0004</p>
<button type='submit' name='imgnam' value='File0005'><img src='./Lemmons/10-24-91/File0005.gif' width='100' /></button><br>File0005</p>
<button type='submit' name='imgnam' value='File0006'><img src='./Lemmons/10-24-91/File0006.gif' width='100' /></button><br>File0006</p>
<button type='submit' name='imgnam' value='File0007'><img src='./Lemmons/10-24-91/File0007.gif' width='100' /></button><br>File0007</p>
        </td>

7 buttons are displayed, each with a GIF image. When a button is clicked (ex: button for #0005), FireFox and Safari both show $imgnam contains the value field of the button clicked, as it should -- in this test case it contains the value File0005 .
IE on the other hand does not. When I display the value of $imgnam a broken image box is displayed with the properties:

Name:       %22
Address:    http: //www.pattinson.net/%22./lemons/10-24-92/File0005.gif/%22
Size:       Not Available
Dimensions: 100 x 114 pixels

Any idea where this %22 is coming from? What does FFox know that IE doesn't?

The effect of the code can be seen here with values displayed for debugging purposes.


The full code:

<? 
##--------------------------------------##
## mainline
{
## These lines display the values coming into the script
print "Username=["   . $username  . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "Album=["      . $album     . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "Page=["       . $page      . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "Image=["      . $imgnam    . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "Comment=["    . $comment   . "]<hr>";

    ##--- Get the Album level directory
    $albhnd = @opendir("./");
    if (!$albhnd)
    {
        print "<b>Album Level not opened </b><br />";
    }
    else
    {
        while ($albval = readdir($albhnd))
        {
            if (!is_file("./" . $albval)  &&
                ($albval != ".")          &&
                ($albval != ".."))
            {
                $alblist[] = trim($albval);
            }
        }
        closedir($albhnd);
    }
    if (count($alblist) > 1) sort($alblist);
    if (!$album)
    {
         $album = $alblist[0];
    }

    ##--- Get the Page level directory
    $paghnd = @opendir("./" . $album . "/");
    if (!$paghnd)
    {
        print "<b>Page Level not opened </b><br />";
    }
    else
    {
        $nopage = true;
        while ($pagval = readdir($paghnd))
        {
            if (!is_file("./" . $pagval)  &&
                ($pagval != ".")          &&
                ($pagval != ".."))
            {
                $paglist[] = trim($pagval);
                if (trim($pagval) == $page) $nopage = false;
            }
        }
        closedir($paghnd);
    }
    if (count($paglist) > 1) sort($paglist);
    if ($nopage) $page = $paglist[0];

 
    $directory = $album . "/" . $page;
    $dirname   = "./" . $album . "/" . $page . "/";



    $filhnd = @opendir($dirname);
    if (!$filhnd)
    {
        printf ("<b>Directory [%s] not opened </b><br />", $dirname);
    }
    else
    {
        $chg = 1;
        while ($fil = readdir($filhnd))
        {
            if (is_file($dirname . $fil)) 
            {
                $sl = strlen($fil);
                $filn = strtok($fil, ".");
                $filex= substr($fil, $sl-4, 4);
                if ($filex == ".jpg") 
                {           
## -- display the file names as we find them --
print "{" . $filn . "}&nbsp";
                    $filelist[] = trim($filn);
                    if ($imgnam == $filn) $chg = 0;
                }
            }
            else
            {
            }
        }
        closedir($filhnd);
    }
print "<br>";
    if (count($filelist) > 1) sort($filelist);
    if (!$imgnam || $chg == 1) 
    {
        $imgnam = $filelist[0];
    }


    $imageThmb = $dirname . $imgnam . "sml.jpg";
    $imageFile = $dirname . $imgnam . ".jpg";
    $comntFile = $dirname . $imgnam . ".txt";
    $info_File = $dirname . $imgnam . ".fil";

    if ($comment != "")
    {
        $fp = @fopen($comntFile, "a");
        if (!$fp)
        {
            print "<b>File [$comntFile] was not opened for write</b><br />";
        }
        else
        {
            fwrite($fp, "\n" . date('d-M-Y h:i A T') . " -- " . $username . "\n");
            fwrite($fp, $comment);
            fwrite($fp, "\n");
            fclose($fp);
        }
    }

## Display the values used to generate the page...
print "Username=["   . $username  . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "Album=["      . $album     . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "Page=["       . $page      . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "Directory=["  . $directory . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "Image=["      . $imgnam     . "]&nbsp;&nbsp;&nbsp;&nbsp;";
print "DirName=["    . $dirname   . "]<br>";
print "FileList=";
    for ($n = 0; $n < count($filelist); $n++) print " [" . $filelist[$n] . "] ";
print "<br>Comment=[" . $comment . "]   ";


?>


<html>
<head>
    <title>Comment on Pix</title>
    <style>
        H1,H2,H3,H4 { display : inline ; }
</STYLE>
</head>

<body bgcolor='#00D5D5'>

    <form method="post" action="index.php">
    <input type="hidden" name="imgnam" value="<? print $imgnam ?>" />

    <table border="1" cellpadding="8" width="750">
    <tr valign="top">
        
        <!----------------------->
        <!-- Navigation Column -->
        <td rowspan='4' bgcolor="#00fd00" align='center'>
                
                <b>Your Name</b>
                <input type='text' value='<? print $username ?>' name='username' />
                <hr>
                <table border='1' cellpadding='2'><tr><th>
                    Select Album<br>                
                    <select name="album">
                    <?
                        for ($n = 0; $n < count($alblist); $n++)
                        {
                            if (trim($alblist[$n]) == $album)
                                printf ("<option selected value='%s'>%s", trim($alblist[$n]), $alblist[$n]);
                              else
                                printf ("<option value='%s'>%s", trim($alblist[$n]), $alblist[$n]);
                        }
                    ?>
                    </select>
                </th></tr><tr><th>
                    Select Event
                    <br>
                    <select name="page">
                    <?
                        for ($n = 0; $n < count($paglist); $n++)
                        {
                            if (trim($paglist[$n]) == $page)
                                printf ("<option selected value='%s'>%s", trim($paglist[$n]), $paglist[$n]);
                              else
                                printf ("<option value='%s'>%s", trim($paglist[$n]), $paglist[$n]);
                        }
                    ?>
                    </select>
                </th></tr><tr><th></th></tr><tr><th>

                    <button type="submit" />Select Album</button>
                </th></tr></table>
                <hr>

                <?
                    for ($n = 0; $n < count($filelist); $n++)
                    {
                        printf ("<button type='submit' name='imgnam' value='%s'>", $filelist[$n]);
                        printf ("<img src='%s' width='100' />", $dirname . $filelist[$n] . ".gif");
                        print   "</button>";
                        printf ("<br>%s</p>\n", $filelist[$n]);
                    }
                ?>
        </td>

        <th colspan='2' height='120'>
            <h1>Our Pictures</h1><br>
            You are encouraged to generously add as many stories and comments as possible<br>
            See <a href='#dir'>instructions</a> at bottom of page<br>
            Enjoy
        </th>


    </tr>
    <tr>
        <!-- Display Image -->
        <td bgcolor="#fd0000" align="center"   width="400" height='300'>
            Image <B><? print $imgnam ?></B>
            <a href="<? print $imageFile; ?>" target='BigPic'>
            <img src="<? print $imageFile; ?>" width='400' />
            </a><br />
        </td>


        <!-- Display Existing Comments -->
        <th bgcolor="#0000fd" align="center">
            <font color="#FFFF00">Current Comments for <? print $imgnam ?></font>
            <TEXTAREA COLS=55 ROWS=16 WRAP="soft" readonly>
<? 
            $fp = @fopen($comntFile, "r");
            if (!$fp)
            {
                print "Image: " . $imgnam . "\n\n"; 
            }
            else
            {
                $filedata = file($comntFile);
                fclose($fp);
                for ($n = 0; $n < count($filedata); $n++)
                {
                    printf ("%s\n", trim($filedata[$n]));
                }
            }
?>
            </TEXTAREA>
        </th>


    </tr>
    <tr>

        <!-- Display Picture Info -->
        <th bgcolor="#fd0000" align="left" width="400" height='190' valign='top'>
            <!font color="#FFFF00">
<? 
    
            $fp = @fopen($info_File, "r");
            if ($fp)
            {
                $filedata = file($info_File);
                fclose($fp);
                for ($n = 0; $n < count($filedata); $n++)
                {
                    printf ("%s<br>", trim($filedata[$n]));
                }
            }
?>
            </font>
        </th>


        <!-- Accept New Comments -->
        <th bgcolor="#0000fd" align='center' valign='top'>
            <font color="#FFFF00">Add new comments here</font>
                            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            <INPUT type="submit" value="Add Comment">
            <TEXTAREA COLS=55 ROWS=8 WRAP="soft" NAME="comment"></TEXTAREA>
        </th>


    </tr>
    

    <tr><td colspan='2' bgcolor='#00D5D5' valign='top'><h3><a name='dir'>Instructions</a></h3><br>
        <UL><LI>The Green section picks the specific album to view:</LI>
            <OL><LI>Enter your name in the top box if you wish</LI>
                <LI>Select an <i>album</i> by using the first dropdown box and click <B>Select&nbsp;Album</B></LI>
                <LI>Select an <i>event</i> using the second dropdown box and click <B>Select&nbsp;Album</B> again<br>
                    (The <i>album</i> must be chosen first so the appropriate events can be loaded)</LI>
                <LI>Click on a picture to open it. </LI>
            </OL>
            <LI>The Red section shows a specific picture with identifying information:</LI>
            <OL><LI>View the picture on top, and read the info below it</LI>
                <LI>Click on the picture for a larger image</LI>    
                <LI>If you can add any details to the info, See directions below for blue section</LI>    
                    </OL>
            <LI>The Blue section is for additional comments:</LI>
            <OL><LI>The top section shows all comments up to the present and can only be viewed</LI>
                <LI>The bottom section allows the addition of any stories, new info, corrections, and comments.</LI>
                    Anything is ok, even if it is a story not about the picture but one that is a memory that is 
                    triggered by the picture.</LI>    
                <LI>If you have not done so yet, please put in your name at top of green section so the computer 
                    will add your name to your comments</LI>
                <LI>Type your comments</LI>
                <LI>Click <B>Add&nbsp;Comment</B></LI>    
                <LI>Your info will be added to the upper box</LI>    
            </OL>
        </UL>
        <br>
        Questions?  Comments?  Have more pictures? Please <script language="javascript" type="text/javascript">
        <!--
            document.write('<a href="');
            var by0 = new Array(
                -117,-121,-113,-116,-108,-119,-34,-82,-109,-124,
                -113,-118,-125,-88,-114,-109,-124,-113,-118,-125,
                -54,-123,-119,-117 );
            var ix;
            var ln = by0.length;
            for (ix = 0; ix < ln; ix++) 
            { document.write('&');
              document.write('#' + (-by0[ix] ^ ln) + ';'); }
            document.write('"');
            document.write('>email us</a>');
        // -->
        </script>

        </td>
    </tr>


    </table>
    </form>
    
</body>
</html>


<?
}




?>

pretty sure %22 is the code for quote.


try changing your code to use double quote instead of single tick on the url for the image.


" instead of '

to clarify a bit

printf ("<img src=\"%s\" width='100' />", $dirname . $filelist[$n] . ".gif");

I couldn't see how changing ' to " in an HTML IMG and BUTTON tag would affect what a button passes into the form, but I tried it. No dice. Result is the same.

And yes, %22 is ", which I missed. Thanks. Now the question becomes
why does the imgnam parameter become the SRC parameter of IMG tag rather than the value of the VALUE param of the BUTTON tag?