function newImage(arg) {
	if (document.images) {
		var 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) {
		var mattress_12_over = new Image();
		var mattress_13_over = new Image();
		var mattress_14_over = new Image();
		var mattress_15_over = new Image();
		var mattress_16_over = new Image();
		var mattress_17_over = new Image();
		var ms_03_over = new Image();
		var ms_05_over = new Image();
		var ms_06_over = new Image();
		var ms_08_over = new Image();
		var ms_09_over = new Image();
		var ms_10_over = new Image();
		var ms_11_over = new Image();
		var ms_12_over = new Image();
		var ms_13_over = new Image();
		var ms_14_over = new Image();
		var ms_15_over = new Image();
		var ms_16_over = new Image();
		var ms_17_over = new Image();
		var ms_20_over = new Image();
		var ms_21_over = new Image();
		var ms_22_over = new Image();
		var ms_23_over = new Image();
		var ms_24_over = new Image();
		var ms_25_over = new Image();
		var ms_26_over = new Image();
		var ms_27_over = new Image();
		var ms_28_over = new Image();
		var ms_29_over = new Image();
		var ms_33_over = new Image();
		
		
		mattress_12_over.src = "images/mattress_12-over.gif";
		mattress_13_over.src = "images/mattress_13-over.gif";
		mattress_14_over.src = "images/mattress_14-over.gif";
		mattress_15_over.src = "images/mattress_15-over.gif";
		mattress_16_over.src = "images/mattress_16-over.gif";
		mattress_17_over.src = "images/mattress_17-over.gif";
		ms_03_over.src = "images/ms_03-over.gif";
		ms_05_over.src = "images/ms_05-over.gif";
		ms_06_over.src = "images/ms_06-over.gif";
		ms_08_over.src = "images/ms_08-over.gif";
		ms_09_over.src = "images/ms_09-over.gif";
		ms_10_over.src = "images/ms_10-over.gif";
		ms_11_over.src = "images/ms_11-over.gif";
		ms_12_over.src = "images/ms_12-over.gif";
		ms_13_over.src = "images/ms_13-over.gif";
		ms_14_over.src = "images/ms_14-over.gif";
		ms_15_over.src = "images/ms_15-over.gif";
		ms_16_over.src = "images/ms_16-over.gif";
		ms_17_over.src = "images/ms_17-over.gif";
		ms_20_over.src = "images/ms_20-over.gif";
		ms_21_over.src = "images/ms_21-over.gif";
		ms_22_over.src = "images/ms_22-over.gif";
		ms_23_over.src = "images/ms_23-over.gif";
		ms_24_over.src = "images/ms_24-over.gif";
		ms_25_over.src = "images/ms_25-over.gif";
		ms_26_over.src = "images/ms_27-over.gif";
		ms_28_over.src = "images/ms_28-over.gif";
		ms_29_over.src = "images/ms_29-over.gif";
		ms_33_over.src = "images/ms_33-over.gif";
		preloadFlag = true;
	}
}