Patch to display default image

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working with tep_image (html_output.php) i added a line to auto-replace nonexistant images with a default image (called nopic.png) ...

here the code-snipplet with the additional line

[code]
function tep_image($src, $alt = '', $width = '', $height = '', $parameters = '') {
	if (!is_file($src)) { $src = DIR_WS_IMAGES . "nopic.png"; } # replace missing images with default
	if ( (empty($src) || ($src == DIR_WS_IMAGES)) && (IMAGE_REQUIRED == 'false') ) {
      return false;
    }
....
...
.
[/code]