WCurrentOn = 0;

	function ImgPreLoad(imgTitle, imageNum) {
		imageNum++;
		rollOver = new Array(imageNum);
		rollOut = 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";
		}
	}

		function imgOver(Number) {
			if (rollOver[Number] != null) {
				document["w"+Number].src = rollOver[Number].src;
			}
		}
		
		function imgOut(Number) {
			if (rollOver[Number] != null) {
				if (Number != WCurrentOn) {
					if (WCurrentOn != 0) {
						document["w"+WCurrentOn].src = rollOver[WCurrentOn].src;
					}
					document["w"+Number].src = rollOut[Number].src;
				}
			}
		}

		function imgClick(Number) {
			if (rollOver[Number] != null) {
				if (WCurrentOn != 0) {
					document["w"+WCurrentOn].src = rollOut[WCurrentOn].src;
				}
				document["w"+Number].src = rollOver[Number].src;
				WCurrentOn = Number;
			}
		}