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) {
		top_btn01_over = newImage("../images/top_btn01-over.gif");
		top_btn02_over = newImage("../images/top_btn02-over.gif");
		top_btn03_over = newImage("../images/top_btn03-over.gif");
		top_btn04_over = newImage("../images/top_btn04-over.gif");
		top_btn05_over = newImage("../images/top_btn05-over.gif");
		preloadFlag = true;
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}