function formular_check() {
	var message = "Bitte ueberpruefen Sie die folgenden Angaben: \n\n";
	var proof = 0;
	
	/*if(window.document.checkout_form.title[0].checked==false && window.document.register.title[1].checked==false && window.document.register.title[2].checked==false) {
		message = message+"Title\n";
		proof=1;
	}*/
	if(window.document.nachricht.KontaktAdresse.value=="") {
		message = message+"Email-Adresse\n";
		proof=1;
	}
	if(window.document.nachricht.KontaktName.value=="") {
		message = message+"Name\n";
		proof=1;
	}
	if(window.document.nachricht.KontaktInfo.value=="") {
		message = message+"Nachricht\n";
		proof=1;
	}
	if(window.document.nachricht.KontaktTelefon.value=="") {
		message = message+"Telefon-Nr.\n";
		proof=1;
	}
	if(proof == 1) {
		alert(message);
		return false;
	}
}



//<![CDATA[



/*

        A "Reservation Date" example using two datePickers

        --------------------------------------------------



        * Functionality



        1. When the page loads:

                - We clear the value of the two inputs (to clear any values cached by the browser)

                - We set an "onchange" event handler on the startDate input to call the setReservationDates function

        2. When a start date is selected

                - We set the low range of the endDate datePicker to be the start date the user has just selected

                - If the endDate input already has a date stipulated and the date falls before the new start date then we clear the input's value



        * Caveats (aren't there always)



        - This demo has been written for dates that have NOT been split across three inputs



*/



function makeTwoChars(inp) {

        return String(inp).length < 2 ? "0" + inp : inp;

}



function initialiseInputs() {

        // Clear any old values from the inputs (that might be cached by the browser after a page reload)

        document.getElementById("sd").value = "";

        document.getElementById("ed").value = "";



        // Add the onchange event handler to the start date input

        datePickerController.addEvent(document.getElementById("sd"), "change", setReservationDates);

}



var initAttempts = 0;



function setReservationDates(e) {

        // Internet Explorer will not have created the datePickers yet so we poll the datePickerController Object using a setTimeout

        // until they become available (a maximum of ten times in case something has gone horribly wrong)



        try {

                var sd = datePickerController.getDatePicker("sd");

                var ed = datePickerController.getDatePicker("ed");

        } catch (err) {

                if(initAttempts++ < 10) setTimeout("setReservationDates()", 50);

                return;

        }



        // Check the value of the input is a date of the correct format

        var dt = datePickerController.dateFormat(this.value, sd.format.charAt(0) == "m");



        // If the input's value cannot be parsed as a valid date then return

        if(dt == 0) return;



        // At this stage we have a valid YYYYMMDD date



        // Grab the value set within the endDate input and parse it using the dateFormat method

        // N.B: The second parameter to the dateFormat function, if TRUE, tells the function to favour the m-d-y date format

        var edv = datePickerController.dateFormat(document.getElementById("ed").value, ed.format.charAt(0) == "m");



        // Set the low range of the second datePicker to be the date parsed from the first

        ed.setRangeLow( dt );

        

        // If theres a value already present within the end date input and it's smaller than the start date

        // then clear the end date value

        if(edv < dt) {

                document.getElementById("ed").value = "";

        }

}



function removeInputEvents() {

        // Remove the onchange event handler set within the function initialiseInputs

        datePickerController.removeEvent(document.getElementById("sd"), "change", setReservationDates);

}



datePickerController.addEvent(window, 'load', initialiseInputs);

datePickerController.addEvent(window, 'unload', removeInputEvents);



//]]>