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) {
		projects_over = newImage("images/projects-over.jpg");
		authentication_over = newImage("images/authentication-over.jpg");
		pickles_over = newImage("images/pickles-over.jpg");
		store_over = newImage("images/store-over.jpg");
		forum_over = newImage("images/forum-over.jpg");
		links_over = newImage("images/links-over.jpg");
		myspace_over = newImage("images/myspace-over.jpg");
		faq_over = newImage("images/faq-over.jpg");
		preloadFlag = true;
	}
}

function spawn(url, winame, width, height, scroll) {
	var wf = "";	
	wf = wf + "width=" + width;
	wf = wf + ",height=" + height;
	wf = wf + ",resizable=yes";
	wf = wf + ",scrollbars=" + scroll;
	wf = wf + ",menubar=no";
	wf = wf + ",toolbar=yes";
	wf = wf + ",directories=no";
	wf = wf + ",favorites=no";
	wf = wf + ",location=no";
	wf = wf + ",status=no";		
	window.open(url, winame, wf);
}

if (document.layers) {
  var hidden = "hide";
  var visible = "show";
} else {
  var hidden = "hidden";
  var visible = "visible";
}