// check for cookie and write style to page
if ( document.cookie.indexOf('style=1') >= 0 ) {
	document.write('<style type="text/css">\n' + '#wrapper { font-size: 14px; }\n' + '<\/style>\n');
} else if ( document.cookie.indexOf('style=2') >= 0 ) {
	document.write('<style type="text/css">\n' + '#wrapper { font-size: 16px; }\n' + '<\/style>\n');
} else {
	document.write('<style type="text/css">\n' + '#wrapper { font-size: 12px; }\n' + '<\/style>\n');
}

// function to write style and cookie
function chooseStyle (newstyle){
	var expdate = new Date();
	expdate.setTime(expdate.getTime() + (1000*3600*24*365));
  	document.cookie = 'style=' + newstyle + '; expires=' + expdate.toGMTString() + '; path=/';
  	self.location = self.location;
}