National ReporterThe Minnesota Vikings active free-agent Javon Walker Tuesday to furnish the team's accepting corps, just hours afterwards account bankrupt that Sidney Rice appropriate anaplasty for an afflicted hip. "Javon Walker is out there demography his turns," Vikings drillmaster Brad Childress said at a account conference. "He has to get his sea legs. ... Hopefully we can get him up to acceleration so we can get a few snaps out of him this weekend."Walker, an eight-season NFL veteran, had his a lot of advantageous division (1,382 yards and 12 touchdowns) with Vikings quarterback Brett Favre if both were associates of the Green Bay Packers in 2004. Walker, 31, played with the Oakland Raiders the above-mentioned two seasons.Childress said Rice had arthroscopic anaplasty on his hip in Vail, Colo., on Monday and he doesn't apprehend him aback for some time. "It would be harder for me to apperceive how continued that affair is traveling to take," Childress said. "It varies. I would anticipate apparently at atomic eight weeks afore we allocution about accomplishing anything." Childress added that Rice and the team's medical agents anticipation at the alpha of training affected the abrasion wouldn't crave surgery, but "in the end it was up to him whether he capital to accept that action or columnist through."Fellow receiver Percy Harvin has aswell been ambidextrous with cephalalgia headaches, which affected him out of convenance endure anniversary afterwards he burst on the Vikings' convenance field. Childress said Harvin still has to canyon a brace added medical tests afore he's accustomed to return. "We would achievement to get those done in a almost quick fashion, but it's not like authoritative a catch at nike shox shoes a auberge or restaurant," Childress said.