var sheet='';
thedate= new Date();
themonth=thedate.getMonth();
theday=thedate.getDate();
switch (themonth)
{
case 0 : sheet='winter'; break; //January
case 1 : sheet='winter'; break;
case 2 : sheet=(theday<15)? 'winter' : 'spring'; break; //March
case 3 : sheet='spring'; break;
case 4 : sheet='spring'; break;
case 5 : sheet=(theday<22)? 'spring' : 'summer'; break; //June
case 6 : sheet='summer'; break;
case 7 : sheet='summer'; break;
case 8 : sheet=(theday<22)? 'summer' : 'autumn'; break; // September
case 9 : sheet='autumn'; break;
case 10 : sheet='autumn'; break;
case 11 : sheet=(theday<22)? 'autumn' : 'winter'; break; //December
}
str='<link rel="stylesheet" type="text/css" href="http://allyearaustin.mmaustin.com/'+sheet+'.css">';
document.write(str);