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) {
		index_12_over = newImage("images/index_12_over.gif");
		index_13_over = newImage("images/index_13_over.gif");
		index_14_over = newImage("images/index_14_over.gif");
		index_15_over = newImage("images/index_15_over.gif");
		index_16_over = newImage("images/index_16_over.gif");
		index_17_over = newImage("images/index_17_over.gif");
		preloadFlag = true;

	}
}

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