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) {
			slp_05_over = newImage("/assets/images/common/slp_05-over.gif");
			slp_06_over = newImage("/assets/images/common/slp_06-over.gif");
			slp_07_over = newImage("/assets/images/common/slp_07-over.gif");
			slp_08_over = newImage("/assets/images/common/slp_08-over.gif");
			slp_10_over = newImage("/assets/images/common/slp_10-over.gif");
			slp_11_over = newImage("/assets/images/common/slp_11-over.gif");
			slp_13_over = newImage("/assets/images/common/slp_13-over.gif");
			preloadFlag = true;
		}
}

window.onload = function () {
		preloadImages()
}