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) {
		productbarprojectorsover = newImage("images/productbarprojectorsover.jpg");
		productbarwirelessover = newImage("images/productbarwirelessover.jpg");
		productbarsoundover = newImage("images/productbarsoundover.jpg");
		productbarwordsover = newImage("images/productbarwordsover.gif");
		productbarwordsover009 = newImage("images/productbarwordsover-09.gif");
		productbarwordsover010 = newImage("images/productbarwordsover-10.gif");
		productbarwordsover011 = newImage("images/productbarwordsover-11.gif");
		productbarwordsover012 = newImage("images/productbarwordsover-12.gif");
		productbarwordsover013 = newImage("images/productbarwordsover-13.gif");
		productbarradiosover = newImage("images/productbarradiosover.jpg");
		productbarplasmaover = newImage("images/productbarplasmaover.jpg");
		productbarvideoover = newImage("images/productbarvideoover.jpg");
		preloadFlag = true;
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function stopError() {
  return true;
}
window.onerror = stopError;

function Certify(URL) {
  popupWin = window.open(URL, 'Participant', 'location,scrollbars,width=450,height=300')
  window.top.name = 'opener';
}

function JoinUs() {
MM_openBrWindow('guestbook/GuestSubmit.asp','hemp','width=500,height=400');
}