var JetztAjax = Class.create({
	errorHandler: function(request) {
        var message = request.responseText;
        if (message === "") {
            message = "Es ist ein Fehler aufgetreten.";
        }
        alert(message);
    },
    post: function(url, params, onSuccessFunction, onFailureFunction) {
		if (onFailureFunction === undefined) {
			onFailureFunction = this.errorHandler;
		}
		var request = new Ajax.Request(url, {
			  method: 'post',
			  parameters: params,
			  onSuccess: onSuccessFunction,
			  onFailure: onFailureFunction
			});
	},
	get: function(url, onSuccessFunction, onFailureFunction) {
		if (onFailureFunction === undefined) {
			onFailureFunction = this.errorHandler;
		}
		var request = new Ajax.Request(url, {
			  method: 'get',
			  onSuccess: onSuccessFunction,
			  onFailure: onFailureFunction
			});
	},
    reloadPage: function() {
            window.location.reload();
	}
});