function openWindow(whereto) {
    top.name = 'mainwindow';
    popup = window.open(whereto, 'otherSite','width=628,height=600,top=50,left=150,toolbar=yes,location=yes,directories=no,status=yes,scrollbars=yes,resizable=yes,copyhistory=no');
}
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) {
		homepage07_over = newImage("images/cinrg07-over.jpg");
		homepage08_over = newImage("images/cinrg08-over.jpg");
		homepage09_over = newImage("images/cinrg09-over.jpg");
		homepage10_over = newImage("images/cinrg10-over.jpg");
		preloadFlag = true;
	}
}