function dayselect(daynumber) {
	document.getElementById('week-day-'+daynumber).style.backgroundPosition = "0px -42px";
	document.getElementById('datetxt'+daynumber).style.color = "#ffffff";
}
function dayunselect(daynumber) {
	document.getElementById('week-day-'+daynumber).style.backgroundPosition = "0px 0px";
	document.getElementById('datetxt'+daynumber).style.color = "#000000";
}