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(ptr) {
	if (document.images) {
		image01 = newImage(ptr+"img/b1-over.gif");
		image02 = newImage(ptr+"img/b2-over.gif");
		image03 = newImage(ptr+"img/b3-over.gif");
		image04 = newImage(ptr+"img/b4-over.gif");
		image05 = newImage(ptr+"img/b5-over.gif");
		image06 = newImage(ptr+"img/b6-over.gif");
		image07 = newImage(ptr+"img/fil02-over.gif");
		image08 = newImage(ptr+"img/fil03-over.gif");
		image09 = newImage(ptr+"img/fil04-over.gif");
		image10 = newImage(ptr+"img/fil05-over.gif");
		image11 = newImage(ptr+"img/fil06-over.gif");
		image12 = newImage(ptr+"img/fil07-over.gif");
		image13 = newImage(ptr+"img/p1-over.gif");
		image14 = newImage(ptr+"img/p2-over.gif");
		image15 = newImage(ptr+"img/menu1-over.gif");
		image16 = newImage(ptr+"img/menu2-over.gif");
		image17 = newImage(ptr+"img/menu3-over.gif");
		image18 = newImage(ptr+"img/menu4-over.gif");
		image19 = newImage(ptr+"img/menu5-over.gif");

		preloadFlag = true;
	}
}