Here is what i've done so far but i just keep getting an error
<?php echo (($flag_show_product_info_model == 1 and $products_model !='') ? '<li>' . TEXT_PRODUCT_MODEL . $products_model . '</li>' : '') . "\n"; ?>
<iframe src="http://www.madisonb2b.co.uk/stockenquiry.aspx?id=B8FxKDnJ%2bIdaPT1Nw5wo4r87qHuHcCQIPZzeUE%2fI36LIFOM%2bayBi2RSXHzIJS5Hj97JNSyYL80Q%3d&code=<?php {$product_model} ?>"</iframe>
Any ideas? Thanks, Scott