<!--
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) {
		btn1_over = newImage("images/btn1_over.gif");
		btn2_over = newImage("images/btn2_over.gif");
		btn3_over = newImage("images/btn3_over.gif");
		btn4_over = newImage("images/btn4_over.gif");
		btn5_over = newImage("images/btn5_over.gif");
		btn6_over = newImage("images/btn6_over.gif");
		btn7_over = newImage("images/btn7_over.gif");
		btn8_over = newImage("images/btn8_over.gif");
		preloadFlag = true;
	}
}
// -->