function popUp(newPage)  {
activityWindow = window.open(newPage, 'activityPage', 'width=500, height=550, left=50, top=5, scrollbars=yes,resizable=yes');
activityWindow.focus();
}
function preloadImages() {
	document.preload = new Array();
	if (document.images) {
		for (var i = 0; i < preloadImages.arguments.length; i++) {
			document.preload[i] = new Image();
			document.preload[i].src = preloadImages.arguments[i];
		}
	}
}