#define kScreenBounds ([[UIScreen mainScreen] bounds])
#define kScreenWidth (kScreenBounds.size.width)
#define kScreenHeight (kScreenBounds.size.height)
#define kWidth1 (kScreenBounds.size.width)/640
#define kColor(x,y,z) [UIColor colorWithRed:(x)/255.0f green:(y)/255.0f blue:(z)/255.0f alpha:1]
