[code]<html>

<form method="get" wrap=virtual action="index.php" target="_top">
<div align="left">
<table>
<tr>
<td valign="top" align="left">

<input type="text" onfocus="value=''" value="pLAK HIER JE TEKST" name="cabs" size="50" value="\"></input>
<br><input type="submit" value="Omkeren"></input>

</td>
</tr>
</table></div>
</form>

</html>[/code]

[code]<?php

$text = $_GET['cabs'];

function flip_case($text)
{
     $return = '';
    for($i = 0; $i < strlen($text); $i++)
    {
        $char = $text[$i];
        $return .= (strtoupper($char) == $char) ? strtolower($char) : strtoupper($char);
    }
    return $return;
}

'<br /><br />';

$uitkomst = flip_case($text);

?>
<html>

<HEAD>

<SCRIPT LANGUAGE="JavaScript">

function copyit(theField) {
var tempval=eval("document."+theField)
tempval.focus()
tempval.select()
therange=tempval.createTextRange()
therange.execCommand("Copy")
}

</script>

</HEAD>

<BODY>

<form name="selectcopy">

<div align="left">
<input onclick="copyit('selectcopy.select1')" type="button" value="Naar klembord" name="cpy">
<p>
<textarea name="select1" rows="3" cols="50"><?php echo $uitkomst; ?></textarea>
</div>
</form>
</BODY>

</html>[/code]