Thirty-eight percent of consumers plan to spend more online for holiday gifts this year, a 9 percent increase over last year. This is according to the eBillme Online Spending Index, a quarterly survey conducted by Javelin Strategy and Research. The Index polls 1,200 consumers to measure projected online spending for the quarter and the influencing factors. During the fourth quarter, consumers are planning to spend an average of $283.68 online, a 3 percent increase over Q4 2009.