checkver.js

javascript编程的组件

function getAppVer() {
	var sVer = navigator.appVersion;
	var nVer = sVer.indexOf("MSIE");
	var appVer = "";
	if (nVer > 0) {
		appVer = "M" + sVer.substring(nVer + 5, nVer + 9);
	}
	else {
		appVer = "N" + sVer.substring(0, 4);
	}
	if (appVer.charAt(4) == " ") {
		appVer = appVer.substring(0, 4) + "0";
	}
	return appVer;
}