// season
var dd = new Date();
var mm = dd.getMonth() + 1;

if (mm == 12 || mm <= 2){
	document.write('<link rel="stylesheet" type="text/css" href="../winter.css">');
} else if(mm >= 3 && mm <= 5){
	document.write('<link rel="stylesheet" type="text/css" href="../spring.css">');
} else if(mm >= 9 && mm <= 11){
	document.write('<link rel="stylesheet" type="text/css" href="../autumn.css">');
} else {
	document.write('<link rel="stylesheet" type="text/css" href="../summer.css">');
}