Auto Dealer Script Modification

I have a Car Dealer script I want something added to. It has the option to include a url to the ebay listing and I want to add a field for the you tube listing. The "video" link needs to open in a pop up window. Contact me for access to the script live and for further instructions **Additional info** This should be a pretty simple fix,, Here is the code that needs to open a popup window rather then _blank <?php if($row[link_url]) echo "<a href='$row[link_url]' target='_blank'>$row[link_text]</a>&nbsp;&nbsp;-&nbsp;"; ?>