// Theme Switch Script


var	i;
var	month;
var	day;
var	today;

var	maxFile = 4;

var	date = new Date();
var	change_date = new Array(maxFile);
var	theme_path = new Array(maxFile);

//check date
if ((month = (date.getMonth() + 1)) < 10) {
	month = '0' + month;
}
else {
	month += '';
}

if ((day = date.getDate()) < 10) {
	day = '0' + day;
}
else {
	day += '';
}

today = month + day;

//select css
change_date[0] = '0301';
theme_path[0] = 'spring_en.css';
change_date[1] = '0501';
theme_path[1] = 'summer_en.css';
change_date[2] = '0923';
theme_path[2] = 'fall_en.css';
change_date[3] = '1201';
theme_path[3] = 'winter_en.css';

for (i = 0; i < maxFile; i++) {
	if (change_date[i] > today) {
		if (i == 0) {
			i = maxFile;
		}
		break;
	}
}
i--;

//css link
document.write('<link rel="stylesheet" href="/style/' + theme_path[i] + '" type="text/css" media="all" />');