function newImage(imgname) {
        if (document.images) {
                nwimg = new Image();
                nwimg.src = imgname;
                return nwimg;
        }
}
var imgspreloaded = false;
function changeImages() {
	if (imgspreloaded == false) {
		return;
	}
        else if (document.images && (imgspreloaded == true)) {
                for (var i = 0; i < changeImages.arguments.length; i += 2) {
                        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
                }
        }
        window.status = " ";
}
function preloadImages() {
        if (document.images) {
		businessdrivers_on	= newImage("../images/businessdrivers_on.png");
		certifior_on		= newImage("../images/certifior_on.png");
		customerdelight_on	= newImage("../images/customerdelight_on.png");
		performaps_on		= newImage("../images/performaps_on.png");
		xcellerator_sales_on	= newImage("../images/xcellerator_sales_on.png");
		xcellerator_supplier_on	= newImage("../images/xcellerator_supplier_on.png");
		imgspreloaded = true;
        }
}