var navName = navigator.appName ;
var brVer = navigator.userAgent; var brNum; var reg = new RegExp('/');

function verNumIE() {
	var brVerId = brVer.indexOf('MSIE');
	brNum = brVer.substr(brVerId,8);
}

function verNumOt() {
	var brVerId = brVer.search(reg);
	brNum = brVer.substring(brVerId+1);
	var Num = brNum.substr(0,1);
	if(Num == "4")
		document.location.href='http://www.zeitzumbewerben.de/wrong_browser.html'
}

if (navigator.appName == 'Microsoft Internet Explorer' || navigator.appName == 'Opera') {
	verNumIE();
} else {
	verNumOt();
}