You have used an inline style to align that text to "justified" as the existing style calls for it to be left, not justified. This text needs no additional help to be aligned left... you actually changed it from left.
See here
<div id="indexDefaultMainContent" class="content"><td bgcolor="#FFFFFF" height="19" align="left" valign="top" width="282">
[B]<p align="justify">[/B]<span class="style13">W</span>elcome to Mower Parts Supply. We wholesale parts and accessories for Echo, Redmax, Stihl, Robin, Husqvarna, Shindaiwa, Toro, Exmark, Bunton, Snapper, MTD, Craftsman, Cub Cadet, Murray, Briggs and Stratton, Tecumseh, Kohler, Kawasaki, Honda, and many more. We stock a full line of belts, blades, air filters, lubricants, trimmer lines, rebuild kits, and OEM replacement parts. We are adding products to this web page frequently so if you need a part or accessory not found on our site please call our knowledgeable/friendly staff for assistance. We ship all orders via FedEx Ground at 5 p.m. central standard time; all orders received by 4 p.m. are likely to ship same day. </td>
<td bgcolor="#FFFFFF" height="19" align="left" valign="top" width="294"><img src="http://www.mowerpartsupply.com/images/mower_blower_trimmer.gif" alt="pictures_of_lawn_equipment" width="280" height="300" /><br /> </td></div>
Get an editor for your code and use ZC's text function, the editor makes depreciated and terrible code.
Then you can hit the stylesheet to attack the line height to make it clearer if you still need.
~Melanie