function set_cookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime() + (days*24*60*60*1000));
		var expires = "; expires=" + date.toGMTString();
	}
	else var expires = "";
	document.cookie = name  + "=" + value+expires + "; path=/";
}

function get_cookie(name)
{
	var name_eq = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0; i<ca.length; i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(name_eq) == 0) return c.substring(name_eq.length,c.length);
	}
	return null;
}

if(get_cookie("page_size") != null)
{
	document.write('<style>');
	document.write('body{');
	document.write('font-size:' + get_cookie("page_size") + 'em;');
	document.write('}');
	document.write('</style>');
}
else
{
	document.write('<style>');
	document.write('body{');
	document.write('font-size: 1.0em;');
	document.write('}');
	document.write('</style>');
}