function imgFit(img, maxImgWidth)
{
	if (typeof img.naturalWidth == 'undefined') {
		img.naturalHeight = img.height;
		img.naturalWidth = img.width;
	}
	if (img.width > maxImgWidth) {
		img.height = Math.round(((maxImgWidth)/img.width)*img.height);
		img.width = maxImgWidth;
		img.title = 'Click image to view full size';
		img.style.cursor = 'move';
	} else if (img.width == maxImgWidth && img.width < img.naturalWidth) {
		img.height = img.naturalHeight;
		img.width = img.naturalWidth;
		img.title = 'Click to fit in the browser window';
	}
}