function CheckBrowser() {
	var ok = 0;
	if (navigator.appName!="Microsoft Internet Explorer") {
		ok = 1;
	} else {
		if (navigator.appVersion.indexOf("MSIE")!=-1) {
			temp = navigator.appVersion.split("MSIE")
			version = parseFloat(temp[1])
			if (version >= 5.5) {
				ok = 1;
			}
		}
	}
	ok = ok && document.getElementById && document.createElement;
	return(ok);
}

var OkBrowser = CheckBrowser();