// JavaScript Document
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		m1h = newImage("images/m1h.jpg");
		m2h = newImage("images/m2h.jpg");
		m3h = newImage("images/m3h.jpg");
		m4h = newImage("images/m4h.jpg");
		m5h = newImage("images/m5h.jpg");
		m6h = newImage("images/m6h.jpg");
		preloadFlag = true;
	}
}
function myOn(myImgName) {
document[myImgName].src='images/' + myImgName + 'h.jpg';
}
function myOut(myImgName) {
document[myImgName].src='images/' + myImgName + '.jpg';
}