jrpg.findIn = function(needle, haystack){
    if(
        ((haystack.x + haystack.w >= needle.x && haystack.x <= needle.x + needle.w) &&
        (haystack.y <= needle.y + needle.h && haystack.y + haystack.h >= needle.y)) ||
        ((haystack.x + haystack.w >= needle.x && haystack.x <= needle.x + needle.w) &&
        (haystack.y + haystack.h <= needle.y + needle.h && haystack.y >= needle.y + needle.h)) ||
        ((haystack.x >= needle.x + needle.w && haystack.x + haystack.w <= needle.x + needle.w) &&
        (haystack.y <= needle.y + needle.h && haystack.y + haystack.h >= needle.y)) ||
        ((haystack.x >= needle.x && haystack.x + haystack.w <= needle.x + needle.w) &&
        (haystack.y + haystack.h <= needle.y + needle.h && haystack.y >= needle.y + needle.h))
        ){
        return true;
    }

    return false;
}