Rep. John Doolittle's flurry of taxpayer-funded mailers appears to have been sent in time to beat the Aug. 9 pre-election postmark deadline for mass mailings.Doolittle, R-Roseville, is allotted approximately $1.3 million each year to pay for staff, travel and expenses such as the mailers, in addition to his salary of $165,200. The congressman is allowed to use any portion of his $1.3 million treasury on "franking," or sending mail at taxpayer expense.The eight-term incumbent spent $53,617 in the first half of 2006 on franked mail, according to government documents. During the same time period, East Bay Democratic Rep. George Miller …