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) {
		but_aboutus_over = newImage("images/but_aboutus-over.gif");
		but_services_over = newImage("images/but_services-over.gif");
		but_products_over = newImage("images/but_products-over.gif");
		but_userexperience_over = newImage("images/but_userexperience-over.gif");
		but_contact_over = newImage("images/but_contact-over.gif");
		btn_logo_over = newImage("images/logo-over.gif");
		preloadFlag = true;
	}
}




function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);