//1 Depth Navigation
function ImgPreLoad(imgTitle, imageNum) {
	imageNum++;
	rollOver = new Array(imageNum);
	rollOut = new Array(imageNum);
	rollHit = new Array(imageNum);
	for (j = 1; j <= imageNum; j++) {
		if (j < 10) {
			retmp = "0";
		} else {
			retmp ="";
		}
		rollOver[j] = new Image();
		rollOver[j].src = imgTitle + retmp + j + "_on.gif";
		rollOut[j] = new Image();
		rollOut[j].src = imgTitle + retmp + j + "_off.gif";
		rollHit[j] = new Image();
		rollHit[j].src = imgTitle + retmp + j + "_Hit.gif";
	}
}

function imgOver(Number) {
	if (rollOver[Number] != null) {
		if (Number != _MCurrentOn) {
			document["w"+Number].src = rollOver[Number].src;
		}
	}
}

function imgOut(Number) {
	if (rollOver[Number] != null) {
		if (Number != _MCurrentOn) {
			document["w"+Number].src = rollOut[Number].src;
		}
	}
}
function imgHit(Number) {
	if (rollOver[Number] != null) {
		document["w"+Number].src = rollHit[Number].src;
	}
}

//2 Depth Navigation
function PreImgLoad(Title, imgNum) {
	imgNum++;
	rollOn = new Array(imgNum);
	rollOff = new Array(imgNum);
	for (i = 1; i <= imgNum; i++) {
		if (i < 10) {
			tmp = "0";
		} else {
			tmp ="";
		}
		rollOn[i] = new Image();
		rollOn[i].src = Title + tmp + i + "_on.gif";
		rollOff[i] = new Image();
		rollOff[i].src = Title + tmp + i + "_off.gif";
	}
}

function imgOn(Num) {
	if (rollOn[Num] != null) {
		document["r"+Num].src = rollOn[Num].src;
	}
}

function imgOff(Num) {
	if (rollOn[Num] != null) {
		if (Num != _SCurrentOn) {
			document["r"+Num].src = rollOff[Num].src;
		}
	}
}