var MAX_PERSON	  = 8;
var BTN_STEP_PREV = 1;
var BTN_STEP_NEXT = 2;
var BTN_PAGE_PREV = 4;
var BTN_PAGE_NEXT = 8;

var DIRECTION_FORWARD = 1;
var DIRECTION_BACKWARD = -1;


var DIRECTION;


function changeEnable(sName, bEnabled) {
	var obj = document.getElementById(sName);
	if (obj==undefined) return false;
	obj.disabled = !bEnabled;	
}

function onHandler(sFuncName) {
	if (eval("typeof " + sFuncName + " == 'function'")) {
		eval(sFuncName+'()');
	}
}

function changeVisibility(sName, bVisible) {
	var obj = document.getElementById(sName);
	if (obj==undefined) return false;
	obj.style.display = (bVisible ? 'block' : 'none');
	
	onHandler('on'+((bVisible ? 'Show' : 'Leave'))+sName);	
}


function changeStep(iDir) {
	DIRECTION = iDir;
	iStep = getValidValue('step');

	if (iDir>0 && !checkForm(iStep)) {
		return false;
	}
	
	changeVisibility('step'+(iStep), false);
	changeVisibility('step'+(parseInt(iStep)+parseInt(iDir)), true);
	
	setField('step',(parseInt(iStep)+parseInt(iDir)));
	
}

function initUI() {
	changeVisibility('step1', true);
}

function enableButtons(iButtons) {
	changeEnable('btnStepPrev',(iButtons | 1)==1);
	changeEnable('btnStepNext',(iButtons | 2)==2);	
	changeEnable('btnPageNext',(iButtons | 4)==4);
	changeEnable('btnPageNext',(iButtons | 8)==8);
}

function checkAGBDSE() {
  if ( document.getElementById("Order.AcceptAGB").checked && document.getElementById("Order.AcceptDSE").checked ) {
    enableButtons(BTN_STEP_PREV & BTN_STEP_NEXT);
	}
  else {
    enableButtons(BTN_STEP_PREV);
    }
}

////////////////////////////////////////////////////////////////////////////////////////////////
function onShowstep1() {
	setField('step','1');
	enableButtons(-1);
	getTFTData(1);
}
function onLeavestep1() {
}
function getTFTType() {
	var obj = document.forms[0].elements['Order.TFT'];
	for (i=0;i<obj.length;i++) {
		if (obj.checked) return obj.value;
	}	
}
function getFHTPLZ() {
	sPLZ = getValidValue('step1.plz');
	sTFT = getTFTType();
	return '<fht plz="' + sPLZ + '" tft="' + sTFT + '"/>';
}
function _setFHTPLZ() {}
////////////////////////////////////////////////////////////////////////////////////////////////
function onShowstep2() {
	//cmdInit = new AJAXCommand('SET_FHT_TYPE',_setFHTPLZ,getFHTPLZ());
	//arSendQueue[arSendQueue.length] = cmdInit;
	//sendQueue();	
	
	window.setTimeout("getFLH()",300);
	enableButtons(BTN_STEP_PREV);
}

function onLeavestep2() {
	if (DIRECTION == DIRECTION_BACKWARD) return;
	cmdInit = new AJAXCommand('SET_FLH',_setFlh,getValidValue('Order.FLH_ID'));
	arSendQueue[arSendQueue.length] = cmdInit;
	sendQueue();	
}

////////////////////////////////////////////////////////////////////////////////////////////////
function onShowstep3() {
	enableButtons(BTN_STEP_PREV & BTN_STEP_NEXT);
	iId = getValidValue('Order.Flight.Type');
	changeFlightType(iId);
}

function changeFlightType(iId) {
	changeVisibility('step3a',(iId<3));
	changeVisibility('step3b',(iId>1));
}

function _setFlh() {}

function onLeavestep3() {
	changeVisibility('step3a',false);
	changeVisibility('step3b',false);

	if (DIRECTION == DIRECTION_BACKWARD) return;	
	cmdInit = new AJAXCommand('SET_FLIGHT_DATA',_setPersonDataCallBack,getFlightData());
	arSendQueue[arSendQueue.length] = cmdInit;
	sendQueue();	
}

function getFlightData() {
	sData = "<FlightData " +
			'type="' + getValidValue('Order.Flight.Type') + '"' + 
			">\n";
	if (iId<3)
		sData+= "\t" + '<Flight type="1"' + 
				' flh="' + getValidValue('Order.Flight0.FLH') + 
				'" Date="' + getValidValue('Order_Flight0_Date') + 
				'" Time="' + getValidValue('Order.Flight0.Time') + 
				'" Ident="' + getValidValue('Order.Flight0.Ident') + 
				'"/>' + "\n";

	if (iId>1)
		sData+= "\t" + '<Flight type="2"' + 
				' flh="' + getValidValue('Order.Flight1.FLH') + 
				'" Date="' + getValidValue('Order_Flight1_Date') + 
				'" Time="' + getValidValue('Order.Flight1.Time') + 
				'" Ident="' + getValidValue('Order.Flight1.Ident') + 
				'"/>' + "\n";
					
	sData+=	"</FlightData>";
	
	return sData;
}

////////////////////////////////////////////////////////////////////////////////////////////////
function onLeavestep4() {
	if (DIRECTION == DIRECTION_BACKWARD) return;
	cmdInit = new AJAXCommand('SET_PERSON_DATA',_setPersonDataCallBack,getPersonData());
	arSendQueue[arSendQueue.length] = cmdInit;
	sendQueue();	
}

function getPersonData() {
	sNameAdd = '<Persons count="' + getValidValue('Order.Persons') + 
				'" kids="' + getValidValue('Order.Children') + 
				'">' + "\n";
	
	sNameAdd+= '<PersonOrder name="' + getValidValue('Order.Name') + 
				'" street="' + getValidValue('Order.Street') + 
				'" plz="' + getValidValue('Order.PLZ') + 
				'" city="' + getValidValue('Order.City') + 
				'" phone="' + getValidValue('Order.Phone') + 
				'" email="' + getValidValue('Order.Email') + 
				'"/>' + "\n";
				
	o = document.getElementById('Order.AdditionalAddresses');
	for (i=0;i<o.options.length;i++) {
		sNameAdd+= o.options[i].value + "\n";	
	}
	sNameAdd+= "</Persons>";
	return sNameAdd;
}

function _setPersonDataCallBack() {
	var stReturn = objXMLHTTP.responseText;
	if (trim_(stReturn)!='OK') {
		alert('Fehler beim Speichern der Daten.\n\n' + stReturn);
	}
}
////////////////////////////////////////////////////////////////////////////////////////////////
function onShowstep5() {
	window.setTimeout("getAdd()",1000);
}

function onLeavestep5() {
	sData = getAddData();
	if (sData=="") return;
	cmdInit = new AJAXCommand('SET_ADD_DATA',_setPersonDataCallBack,sData);
	arSendQueue[arSendQueue.length] = cmdInit;
	sendQueue();	
}

function getAddData() {
	o = document.getElementById('Order.Add');
	if (o.style.display == "none") return;
		
	sAddData  = '<AddData>' + "\n";
	
	for (i=0;i<o.options.length;i++) {
		if (!o.options[i].selected) continue;
		sAddData+='<Entry id="' + o.options[i].value + '"/>' + "\n"; 
	}
	sAddData += '<Comment>' + getValidValue('Order.Comment') + '</Comment>' + "\n";
	
	sAddData += '</AddData>'; 
	
	return sAddData;
}
////////////////////////////////////////////////////////////////////////////////////////////////
function onShowstep6() {
	window.setTimeout("getSummaryData()",1000);	
}

function onLeavestep6() {
	o = document.getElementById('step6content');
	o.innerHTML = "";
}

function getSummaryData() {
	cmdInit = new AJAXCommand('GET_SUMMARY',_getSummaryData,'');
	arSendQueue[arSendQueue.length] = cmdInit;
	sendQueue();
}

function _getSummaryData() {
	var stReturn = objXMLHTTP.responseText;

	o = document.getElementById('step6content');
	o.innerHTML = stReturn;
}
////////////////////////////////////////////////////////////////////////////////////////////////
function onShowstep7() {
	enableButtons(BTN_STEP_PREV);
}

function getBookingData() {
	/*sData = '<booking'+
			' knr="' + getValidValue('Order.KNr') + 
			'" blz="' + getValidValue('Order.BLZ') + 
			'" bank="' + getValidValue('Order.Bank') + 
			'" inhaber="' + getValidValue('Order.Inhaber') + 
			'"/>';*/
	sData =  '<booking'+
			' knr="' +
			'" blz="' + 
			'" bank="' + 
			'" inhaber="' + 
			'"/>';
	return sData;
}

function onLeavestep7() {
}
////////////////////////////////////////////////////////////////////////////////////////////////
function onShowstep8() {
	cmdInit = new AJAXCommand('DO_BOOK',_doBook,getBookingData());
	arSendQueue[arSendQueue.length] = cmdInit;
	sendQueue();
	enableButtons(-1);
}

function _doBook() {
	var stReturn = objXMLHTTP.responseText;

	o = document.getElementById('step8content');
	o.innerHTML = stReturn;
}
////////////////////////////////////////////////////////////////////////////////////////////////

function changeKids(iCount) {
	if (isNaN(iCount)) return;
	if (parseInt(iCount)>MAX_PERSON) setField('Order.Persons',(iCount = MAX_PERSON));
	if (parseInt(iCount)<1) setField('Order.Persons',(iCount = 1));
	
	aKids = new Array();
	for (i=0; i<iCount;i++)
		aKids[i] = i;
	ar2Sel('Order.Children',aKids);
}

function getMaxAdresses() {
	iTFT = getValidValue('Order.TFT');
	switch (iTFT) {
		case "1":
			return 2;
			break;
		case "2":
			return 1;
			break;
		case "3":
			return 0;
			break;
	}
}

function addAddress() {
	stError = "";
	
	sName = getValidValue('Add.Name');
	sStreet = getValidValue('Add.Street');
	sPLZ = getValidValue('Add.PLZ');
	sCity = getValidValue('Add.City');
	sPhone = getValidValue('Add.Phone');
	sEmail = getValidValue('Add.Email');
	 
	iAddCount = getSelectLength('Order.AdditionalAddresses');
	MAX_COUNT = getMaxAdresses();
	
	if (iAddCount >= MAX_COUNT) {
		alert('Es können im unter Schritt 1 gewählten Transfertarif maximal ' + MAX_COUNT +' Abholadressen angegeben werden.'); 
		return false;
	}
		
	if (sName == "") {
		stError+='\t* Name\n';
	}
	if (sStreet == "") {
		stError+='\t* Straße und Hausnummer\n';
	}
	if (sPLZ == "") {
		stError+='\t* PLZ\n';
	}
	if (sCity == "") {
		stError+='\t* Stadt\n';
	}
	if (sPhone == "") {
		stError+='\t* Telefonnumme\n';
	}
	if (sEmail == "") {
		stError+='\t* eMail-Adresse\n';
	}
	
	if (stError!="") {
		alert("Es fehlen noch Daten: \n\n" + stError + "\n\nBitte geben Sie diese noch ein, um fortzufahren.");
		return false;
	} else {
		sText = sName + ' - ' + sStreet + ' (' + sPLZ + ') ' + sCity;
		sData = '<PersonAdd name="' + sName + '" street="' + sStreet + '" plz="' + sPLZ + '" city="' + sCity + '" phone="' + sPhone + '" email="' + sEmail + '" />';
		addListEntry('Order.AdditionalAddresses',sData,sText);
		return true;
	}
	
	
}

function removeAddress() {
	removeListEntry('Order.AdditionalAddresses');
}

function setCity(sPLZ,sTarget) {
	sValue = arPLZ[sPLZ];
	if (sValue==undefined) sValue = "(Ort nicht gefunden)";
	setField(sTarget,sValue);
}

function onSelectChildren() {
	sKidSeats = prompt('Bitte geben Sie ein, wieviele Kindersitze benötigt werden.','Wir benötigen ?? Kindersitze.');
	setField('Order.Comment',sKidSeats);
}

function step8print() {
	obj = document.getElementById('btnPrint');
	obj.style.display = 'none';
//	w = window.open('loader.php5');
//	w.document.innerHTML = obj.innerHTML;
	window.print();
}