if (checkBrowserName('MSIE')) {  
	
	var Browser = {
	  Version: function() {
	    var version = 999; // we assume a sane browser
	    if (navigator.appVersion.indexOf("MSIE") != -1)
	      // bah, IE again, lets downgrade version number
	      version = parseFloat(navigator.appVersion.split("MSIE")[1]);
	    return version;
	  }
	}
	
	if (Browser.Version() < 8) {
		backToIntropage();
	}
	
}

/* Soitgoes direkt starten */

function backToIntropage() {
	document.location.href="/index.html";
}

/* User Agent (Browserkennung) auf einen bestimmten Browsertyp prüfen */ 

function checkBrowserName(name){
	var agent = navigator.userAgent.toLowerCase();
	if (agent.indexOf(name.toLowerCase())>-1) {
		return true;
	}
	return false;  
}