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) {
		sales_10_over = newImage("../images/sales_10-over.gif");
		sales_12_over = newImage("../images/sales_12-over.gif");
		sales_14_over = newImage("../images/sales_14-over.gif");
		sales_16_over = newImage("../images/sales_16-over.gif");
		sales_18_over = newImage("../images/sales_18-over.gif");
		sales_20_over = newImage("../images/sales_20-over.gif");
		sales_22_over = newImage("../images/sales_22-over.gif");
		sales_24_over = newImage("../images/sales_24-over.gif");
		sales_26_over = newImage("../images/sales_26-over.gif");
		sales_28_over = newImage("../images/sales_28-over.jpg");
		sales_34_over = newImage("../images/sales_34-over.jpg");

		preloadFlag = true;
	}
}

 function ListCars(cartype)
	{
    document.viewFormList.choice.value=cartype;
		document.viewFormList.submit();
	}

  function viewCar(car_number)
	{
	  document.viewFormCars.item.value=car_number;
		document.viewFormCars.submit();
	}