Online Ticketing The percentage of online sales for movie tickets tripled in the past three years, and growth should continue at least through 2008, the most recent data from Jupiter Research show.&lt;br&gt;&lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/B&gt;&lt;/FONT&gt;