function kundenLogin() {
	var weiter = 0;
	var name   = document.login.username.value;
	var pwd    = document.login.password.value;
	name       = name.toLowerCase();
	pwd        = pwd.toLowerCase();
	
	if (name == "whitecase" && pwd == "230306") {
		newWindow = window.open("../customers/whitecase/index.html", "whitecase");
		//window.location="../customers/whitecase/index.html";
		weiter = 1;
	}
	if (name == "mfm" && pwd == "130613") {
		newWindow = window.open("../customers/mfm/index.html", "mfm");
		//window.location="../customers/mfm/index.html";
		weiter = 1;
	}
	if (weiter == 0) {
		alert("Zugang verweigert.");
	}
}