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() {
	if (document.images) {
		tmp_side_01 = newImage("/cmn/image/hm_sdmn_01on.gif");
		tmp_side_02 = newImage("/cmn/image/hm_sdmn_02on.gif");
		tmp_side_03 = newImage("/cmn/image/hm_sdmn_03on.gif");
		tmp_side_04 = newImage("/cmn/image/hm_sdmn_o01on.gif");
		tmp_side_05 = newImage("/cmn/image/hm_sdmn_o02on.gif");
		tmp_side_06 = newImage("/cmn/image/hm_sdmn_o03on.gif");
		tmp_side_07 = newImage("/cmn/image/hm_sdmn_o04on.gif");
		tmp_side_08 = newImage("/cmn/image/hm_sdmn_o05on.gif");
		tmp_side_09 = newImage("/cmn/image/hm_sdmn_o06on.gif");
		tmp_side_10 = newImage("/cmn/image/hm_sdmn_o07on.gif");
		preloadFlag = true;
	}
}