Как сделать фиксированный размер картинки вот в этом маленьком коде... - Joomla 1.5: Настройка и оптимизация

function image_tag($image, $args="", $resize=1, $path_appendix='product', $thumb_width=0, $thumb_height=0 ) {

document.write( '<?php echo ps_product::image_tag( $product_thumb_image, 'class="browseProductImage" border="0" title="'.$product_name.'" alt="'.$product_name .'"' )?></a>' );

document.write( '<?php echo ps_product::image_tag( $product_thumb_image, 'class="browseProductImage" border="0" title="'.$product_name.'" alt="'.$product_name .'"' )?></a>',null,null,200,200 );

  <div class="browseProductImageContainer">
	        <script type="text/javascript">//<![CDATA[
	        document.write('<a href="javascript:void window.open(\'<?php echo $product_full_image ?>\', \'win2\', \'status=no,toolbar=no,scrollbars=yes,titlebar=no,menubar=no,resizable=yes,width=<?php echo $full_image_width ?>,height=<?php echo $full_image_height ?>,directories=no,location=no\');">');
	       
document.write( '<?php echo ps_product::image_tag( $product_thumb_image, 'class="browseProductImage" border="0" title="'.$product_name.'" alt="'.$product_name .'"' )?></a>' );
	        //]]>
	        </script>
	        <noscript>
	            <a href="<?php echo $product_full_image ?>" target="_blank" title="<?php echo $product_name ?>">
	            <?php echo ps_product::image_tag( $product_thumb_image, 'class="browseProductImage" border="0" title="'.$product_name.'" alt="'.$product_name .'"' )?>
	            </a>
	        </noscript>
        </div>

document.write( '<?php echo ps_product::image_tag( $product_thumb_image, 'class="browseProductImage" border="0" title="'.$product_name.'" alt="'.$product_name .'"',null,null,200,200  )?></a>');

echo ps_product::image_tag(basename($product_full_image), 'class="browseProductImage" 
border="0" title="'.$product_name.'" 
alt="'.$product_name .'"',1,'product',250,300 )