function calendarWindow() 
{
	wintop = window.open("","cal_item","width=400,height=500,toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=yes,status=yes");
      }
function smallcalendarWindow() 
{
	wintop = window.open("","cal_item","width=400,height=200,toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=yes,status=yes");
      }

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function preloadImages() {
	if (document.images) {
		wk_over = newImage("images/wk-over.gif");
		ft_over = newImage("images/ft-over.gif");
		di_over = newImage("images/di-over.gif");
		is_over = newImage("images/is-over.gif");
		ev_over = newImage("images/ev-over.gif");
		sm_over = newImage("images/sm-over.gif");
		preloadFlag = true;
	}
}