if (vsValid) {
    var reldate = "20080909";
    document.write('<script type="text/javascript" src="http://i.yimg.jp/images/image-search/js/'+reldate+'/prototype.js"></script>');
    document.write('<script type="text/javascript" src="http://i.yimg.jp/images/image-search/js/'+reldate+'/scriptaculous.js?load=effects,slider"></script>');
    document.write('<script type="text/javascript" src="http://i.yimg.jp/images/image-search/js/'+reldate+'/cookiemanager.js"></script>');
    document.write('<script type="text/javascript" src="http://i.yimg.jp/images/image-search/js/'+reldate+'/hintBox.js?20080218"></script>');
    document.write('<script type="text/javascript" src="http://i.yimg.jp/images/image-search/js/'+reldate+'/imgbox.js?20080426"></script>');
    document.write('<script type="text/javascript" src="http://i.yimg.jp/images/image-search/js/'+reldate+'/saveimage.js"></script>');
}