var agt = navigator.userAgent.toLowerCase(); 
var is_major = parseInt(navigator.appVersion); 
var is_minor = parseFloat(navigator.appVersion); 
var is_ie = (agt.indexOf("msie") != -1);
var dayName = new Array ("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
var monName = new Array ("Jan.","Feb.","Mar.","Apr.","May.","June","July","Aug.","Sept.","Oct.","Nov.","Dec.");
var now = new Date;

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];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		cysl_03_cysl_07_over = newImage("images/cysl_03-cysl_07_over.gif");
		cysl_03_cysl_08_over = newImage("images/cysl_03-cysl_08_over.gif");
		cysl_04_cysl_08_over = newImage("images/cysl_04-cysl_08_over.gif");
		cysl_06_cysl_07_over = newImage("images/cysl_06-cysl_07_over.gif");
		cysl_06_cysl_08_over = newImage("images/cysl_06-cysl_08_over.gif");
		cysl_07_over = newImage("images/cysl_07-over.gif");
		cysl_07_cysl_08_over = newImage("images/cysl_07-cysl_08_over.gif");
		cysl_08_cysl_07_over = newImage("images/cysl_08-cysl_07_over.gif");
		cysl_08_over = newImage("images/cysl_08-over.gif");
		preloadFlag = true;
	}
}