function checkBoxForInput(obj) {
	if (obj.name == "login") {
		if (obj.value == "Kundenname") {
			obj.value = "";
			obj.className = "box-re-aktiv";		
		}
		else if (obj.value == "") {
			obj.value = "Kundenname";
			obj.className = "box-re-inaktiv";
		}
	}
	else if (obj.name == "password") {
		if (obj.value == "Passwort") {
			obj.value = "";
			obj.className = "box-re-aktiv";
			obj.type = "password";
		}
		else if (obj.value == "") {
			obj.value = "Passwort";
			obj.className = "box-re-inaktiv";
			obj.type = "password";
		}
	}
}