var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var screenW;
var screenH;

function updateScreenSize() {
	screenW = document.body.clientWidth;
	screenH = document.body.clientHeight;
}
function getSwf(movieName) {
	if (navigator.appName.indexOf("Microsoft") != -1) {
		return window[movieName];
	} else {
		return document[movieName];
	}
}