var now = new Date();
currMon = now.getMonth();
currDay = now.getDate();

if (currMon < 2)
	ssheet = true;
else if (currMon == 2)
{
	if (currDay < 21)
		ssheet = true;
	else
		ssheet = false;
}
else if (currMon < 5)
	ssheet = false;
else if (currMon == 5)
{
	if (currDay < 21)
		ssheet = false;
	else
		ssheet = true;
}
else if (currMon < 8)
	ssheet = true;
else if (currMon == 8)
{
	if (currDay < 23)
		ssheet = true;
	else
		ssheet = false;
}
else if (currMon < 11)
	ssheet = false;
else if (currMon == 11)
{
	if (currDay < 22)
		ssheet = false;
	else
		ssheet = true;
}

if (ssheet)
	document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"style2.css\">");
else
	document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"style1.css\">");