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) {
		menuover_01_over = newImage("images/menuover_01.jpg");
		menuover_02_over = newImage("images/menuover_02.jpg");
		menuover_03_over = newImage("images/menuover_03.jpg");
		menuover_04_over = newImage("images/menuover_04.jpg");
		menuover_05_over = newImage("images/menuover_05.jpg");
		menuover_06_over = newImage("images/menuover_06.jpg");
		menuover_07_over = newImage("images/menuover_07.jpg");
		menuover_08_over = newImage("images/menuover_08.jpg");
		menuover_09_over = newImage("images/menuover_09.jpg");
		preloadFlag = true;
	}
}

function popupWindow(url,strw,strh) {
newwin = window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width='+strw+',height='+strh+',screenX=150,screenY=150,top=150,left=150')
}