- (void)viewDidLoad
{
	[super viewDidLoad];
imageScrollView.backgroundColor=[UIColor clearColor];
    imageScrollView.bouncesZoom = YES;
    imageScrollView.scrollEnabled=YES;
	imageScrollView.maximumZoomScale = 4.0;
	imageScrollView.minimumZoomScale = 0.75;
    imageScrollView.clipsToBounds = YES;
    imageScrollView.delegate=self;
    NSData *imgData = [self.dataArray objectAtIndex:0];
    imageView.image=[UIImage imageWithData:imgData];
    imageScrollView.contentSize = CGSizeMake(imageView.frame.size.width, imageView.frame.size.height);
    imageView.center = imageScrollView.center;
    imageView.userInteractionEnabled = YES;
    [imageScrollView addSubview:imageView];

}
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView {
	return imageView;
}