function selectchain(me,chained,func,fkey) {

	var requesturl="/index.fpl?f="+func+"&"+fkey+"="+me.value;
	new Ajax.Request(requesturl, {
		method:'get',
		onSuccess: function(transport){
			var result = transport.responseText;
			chained.length=0;
			list = new Array();
			var tmp = result.split("\n");
			for(i=0; i<(tmp.length-1); i++) {
			    var tmp2 = tmp[i].split(":");
			    newOption = new Option(tmp2[1], tmp2[0], false, false);
			    chained.options[i] = newOption; 
			} 
		}
		});

}

function toggle_visible (id) {
        var el=$(id);
        if (el.style.display == "none") {;
                el.style.display="block";
        } else {
                el.style.display="none";
        }
}

function confirmSubmit(question) {
	var agree=confirm(question);
	if (agree){
		return true;
	} else {
		return false;
	}
}

function toggle_enabled (id) {
        var el=$(id);
        if (el.disabled==false) {
                el.disable();
        } else {
                el.enable();
        }
}

function kfzsteuer() {

	var requesturl="/index.fpl?f=kfz_steuer_rechner&compute=yes&";
	var blah=Form.serialize('steuer');
	requesturl=requesturl+blah;

	new Ajax.Request(requesturl, {
		method:'get',
		onSuccess: function(transport){
			$('computed').innerHTML=transport.responseText;
		}
	});

}