loc = (loc == 0) ? [items count]-1 : loc - 1;
        prevIndex = (loc == 0) ? [items count]-1 : loc - 1;
        if(pageOne.tag==1){
            CGRect newFrame=pageOne.frame;
            newFrame.origin.x = newFrame.origin.x - self.itemSummary.frame.size.width;
            pageThree.frame=newFrame;
            [self loadPageWithId:prevIndex onPage:2];
            pageOne.tag=pageTwo.tag;
            pageTwo.tag=pageThree.tag;
            pageThree.tag=1;
        }
        else if(pageTwo.tag==1){
            CGRect newFrame=pageTwo.frame;
            newFrame.origin.x = newFrame.origin.x - self.itemSummary.frame.size.width;
            pageOne.frame=newFrame;
            [self loadPageWithId:nextIndex onPage:0];
            pageTwo.tag=pageThree.tag;
            pageThree.tag=pageOne.tag;
            pageTwo.tag=1;
        }
        else{
            CGRect newFrame=pageThree.frame;
            newFrame.origin.x = newFrame.origin.x - self.itemSummary.frame.size.width;
            pageTwo.frame=newFrame;
            [self loadPageWithId:nextIndex onPage:1];
            pageThree.tag=pageOne.tag;
            pageOne.tag=pageTwo.tag;
            pageTwo.tag=1;

        }