/**
 * functions for selecting more than 3 rooms if user is not logged in get
 * URL/selected values from parent (window.opener)
 *
 * functions for hotellist
 *
 * Author Mario Diaz (4fb) Created 2008-09-30 Modified by Bernhard Bezdek
 * (2010-02-03) Updatet function fot
 * BUGFIX -> Line (#949 - #952) Fixes a Problem switching Roomtype and Calculate Price MATRIX[2010/04/23] (Bernhard Bezdek)
 * BUGFIX -> Line #1105 Fixed a Problem if there is a minammount and just on day with a possible arrival and or just one day with a possiople leave
 *
 */
var sPriceDisplay = '';
var sUrlContingent = false;
var sBookingKind = false;

var aImages = new Array('upload/zimages/bg_day.gif', 'upload/zimages/hl_choose_active.gif', 'upload/zimages/hl_choose_green_g.gif', 'upload/zimages/hl_choose_green_w.gif', 'upload/zimages/hl_choose_orange_g.gif', 'upload/zimages/hl_choose_orange_w.gif');
preloadImages(aImages);


/**
 * calls function for displaying layer
 *
 * @param string
 *            sLocation
 * @return void
 */
function popWinCenter(sLocation){
    showTermsLayer('legal_notice');
}


/**
 * shows full minbooking string in layer
 *
 * @param string
 *            sMin
 * @param int
 *            iIdCaller
 * @return void
 */
function toggleMinBookingLayer(sMin, oCaller){
    if (document.getElementById('minbooking_info')) {
        oLayer = document.getElementById('minbooking_info');
        if (sMin == '') {
            oLayer.style.display = 'none';
        }
        else {
            oLayer.innerHTML = sMin;
            aTmp = findPos(oCaller);
            oLayer.style.display = 'inline';
            oLayer.style.left = aTmp[0] - oLayer.offsetWidth + oCaller.offsetWidth + 'px';
            oLayer.style.top = (aTmp[1] - oLayer.offsetHeight) + 'px';
        }
    }
}



/**
 * for submitting hotellist view: check if choosen value == 'unlimited'
 *
 * @return void
 */
function submitHotelList(){
    sValue = selectValue(document.forms['frmSearch_Hotel'].count_rooms);
    if (sValue != 'unlimited' || bLogged) {
        bCanSubmit = true;
        if (sBookingKind != "new_contingent" && bLogged && sValue == 'unlimited') {
            if (!confirm(sHintGoToNewContingent)) {
                bCanSubmit = false;
            }
        }
        if (bCanSubmit) {
            document.forms['frmSearch_Hotel'].submit();
        }
        else {
            document.getElementById('count_rooms').selectedIndex = iSelectedIndexRoomCount;
        }
    }
    else {
        popWinCenter(sLocationChoose);
    }
}


/**
 * if user chooses to registrate or login
 *
 * @return void
 */
function goToReg(bLogin){
    if (document.forms['change_sel_form']) {
        if (document.forms['change_sel_form'].start_date) {
            sDateFrom = selectValue(document.forms['change_sel_form'].start_date);
            document.forms['frmLoginO'].datefrom.value = sDateFrom;
        }
        if (document.forms['change_sel_form'].room_category) {
            sRoomCat = selectValue(document.forms['change_sel_form'].room_category); // chosen_ind!!!!!!!
            document.forms['frmLoginO'].chosen_ind.value = sRoomCat;
        }
    }
    else 
        if (document.forms['frmSearch_Hotel']) {
            if (document.forms['frmSearch_Hotel'].dateuntil) {
                sDateUntil = selectValue(document.forms['frmSearch_Hotel'].dateuntil);
                document.forms['frmLoginO'].dateuntil.value = sDateUntil;
            }
            if (document.forms['frmSearch_Hotel'].datefrom) {
                sDateFrom = selectValue(document.forms['frmSearch_Hotel'].datefrom); // datefrom!!!!!!!!!!!!!
                document.forms['frmLoginO'].datefrom.value = sDateFrom;
            }
        }
    
    if (bLogin) { // go to login
        document.forms['frmLoginO'].goback_reg_or_login.value = "login";
    }
    else {
        document.forms['frmLoginO'].goback_reg_or_login.value = "reg";
    }
    
    document.forms['frmLoginO'].submit();
}


/*
 * *** functions for hotellist specials
 * *****************************************************************************
 */
/**
 * shows possible dates arrival
 *
 * @param string
 *            sHtmlId
 * @return void
 */
function showLayer(sHtmlId){
    // position X and Y:
    // first find element to position:
    aTmp = sHtmlId.split('_');
    oLayerPos = document.getElementById('select_' + aTmp[2]);
    aTmp = findPos(oLayerPos);
    document.getElementById(sHtmlId).style.left = aTmp[0] + 'px';
    document.getElementById(sHtmlId).style.top = aTmp[1] + 'px';
    document.getElementById(sHtmlId).style.visibility = 'visible';
}


var aLowestIndices = new Array();
aLowestIndices['arrival'] = 0;
aLowestIndices['departure'] = 0;
aLowestIndices['amount'] = 0;
aLowestIndices['roomcat'] = 0;


/**
 * if user clicks a value in absolute layer then change hide that absolute layer
 * and change display value
 *
 * @param string
 *            sType (arrival etc)
 * @param string
 *            sValue
 * @return void
 */
function changeSelValue(sType, sValue){
    bHotellist = false;
    if (!document.getElementById('hotel_matrix')) {
        bHotellist = true;
    }
    if (document.getElementById('hotellist_sel_' + sType + '_layer')) {
        document.getElementById('hotellist_sel_' + sType + '_layer').style.visibility = 'hidden';
    }
    else {
        document.getElementById('hotelmatrix_sel_' + sType + '_layer').style.visibility = 'hidden';
    }
    sHtmlIdValue = 'value_' + sType;
    
    if (sType == 'amount') {
        document.getElementById(sHtmlIdValue).innerHTML = sValue;
    }
    else 
        if (sType == 'roomcat') {
            iRoomcat = parseIntReal(sValue);
            sRoomdesc = aRoomCats[iRoomcat];
            aTmp = sRoomdesc.split(',');
            document.getElementById(sHtmlIdValue).innerHTML = (aTmp[0].length > 9) ? '<span style="font-size: 14px;">' + aTmp[0] + '</span>' : aTmp[0];
            document.getElementById('value_' + sType + '_bottom').innerHTML = (aTmp.length > 1) ? aTmp[1] : '';
        }
        else {
            aTmp = sValue.split(' ');
            document.getElementById(sHtmlIdValue).innerHTML = aTmp[0];
            // Rest of date
            document.getElementById('value_' + sType + '_bottom').innerHTML = aTmp[1] + ' ' + aTmp[2];
        }
    // now change active styles in list:
    iCounter = aLowestIndices[sType];
    while (true) {
        if (!document.getElementById('a_sel_' + sType + '_' + iCounter)) {
            break;
        }
        oElement = document.getElementById('a_sel_' + sType + '_' + iCounter);
        if (sType != 'roomcat') {
            if (oElement.innerHTML == sValue) {
                oElement.className = 'red';
            }
            else {
                oElement.className = '';
            }
        }
        else {
            if (iCounter == iRoomcat) {
                oElement.className = 'roomcat red';
            }
            else {
                oElement.className = 'roomcat';
            }
        }
        iCounter++;
    }
    
    // Correct arrival or departure if user has chosen departure < arrival or
    // arrival > departure
    if (arguments.length == 2 && (sType == 'arrival' || sType == 'departure')) {
        oDateArrival = new Date();
        oDateDeparture = new Date();
        aTmp = sValue.split(' ');
        sTmp = aTmp[0];
        if (sTmp.charAt(0) == '0') {
            sTmp = sTmp.charAt(1);
        }
        iDay = parseIntReal(sTmp);
        iMonth = getMonthAsInt(aTmp[1]) - 1;
        iYear = parseInt("20" + aTmp[2]);
        
        if (sType == 'arrival') {
            oDateArrival.setFullYear(iYear);
            oDateArrival.setDate(iDay);
            oDateArrival.setMonth(iMonth);
        }
        else {
            oDateDeparture.setFullYear(iYear);
            oDateDeparture.setDate(iDay);
            oDateDeparture.setMonth(iMonth);
        }
        // get other value
        sTypeOther = (sType == 'arrival') ? 'departure' : 'arrival';
        if (bHotellist && !document.getElementById('value_' + sTypeOther)) {
            return 1; // we are on matrix site
        }
        aDate = getDateFromHTML(sTypeOther);
        iDay = aDate[0];
        iMonth = aDate[1];
        iYear = aDate[2];
        
        if (sTypeOther == 'arrival') {
            oDateArrival.setFullYear(iYear);
            oDateArrival.setDate(iDay);
            oDateArrival.setMonth(iMonth);
        }
        else {
            oDateDeparture.setFullYear(iYear);
            oDateDeparture.setDate(iDay);
            oDateDeparture.setMonth(iMonth);
        }
        
        // now compare:
        if (oDateArrival >= oDateDeparture && 3 == 2) {
            oDate = new Date();
            if (sType == 'arrival') {
                oDateArrival.setDate(oDateArrival.getDate() + 1);
                oDate = oDateArrival;
            }
            else {
                oDateDeparture.setDate(oDateDeparture.getDate() - 1);
                oDate = oDateDeparture;
            }
            // now set that value:
            iDay = oDate.getDate();
            sMonth = aMonths[(oDate.getMonth() + 1)];
            iYear = oDate.getFullYear();
            sYear = (iYear.toString()).substring(2, 4);
            sValue = iDay + ' ' + sMonth + ' ' + sYear;
            if (bHotellist) {
                changeSelValue(sTypeOther, sValue, true);
            }
        }
    }
    if (bMsie) {
        document.all.V1.focus();
    }
    if (bHotellist) {
        refreshHotellist();
    }
    else 
        if (document.getElementById('hotel_matrix')) {
            refreshHotelMatrix();
        }
    return 1;
}


/**
 * gets date from html and returns array
 *
 * @param string
 *            sType
 * @return array
 */
function getDateFromHTML(sType){
    var aReturn = new Array();
    if (document.getElementById('value_' + sType)) {
        sTmp = trimAll(document.getElementById('value_' + sType).innerHTML);
        
        // alert(sTmp.charAt(0));
        if (sTmp.charAt(0) == '0') {
            sTmp = sTmp.charAt(1);
        }
        aReturn[0] = parseIntReal(sTmp);
        
        // alert(aReturn[0]);
        sTmp = trimAll(document.getElementById('value_' + sType + '_bottom').innerHTML);
        aTmp = sTmp.split(' ');
        
        aReturn[1] = getMonthAsInt(aTmp[0]) - 1;
        aReturn[2] = parseInt("20" + aTmp[1]);
    }
    return aReturn;
}


/**
 * adds dates before or after existing dates (departure or arrival layer)
 *
 * @param string
 *            sType
 * @param string
 *            sAction
 * @return void
 */
function addDatesSelLayer(sType, sAction){
    sNewContent = '';
    if (sAction == 'earlier') { // add 5 days before
        // get first date:
        if (document.getElementById('a_sel_' + sType + '_' + aLowestIndices[sType])) {
            sDateFirst = document.getElementById('a_sel_' + sType + '_' + aLowestIndices[sType]).innerHTML;
            aTmp = sDateFirst.split(' ');
            iMonth = getMonthAsInt(aTmp[1]) - 1;
            aLowestIndices[sType] -= 5;
            oDate = new Date();
            oDate.setFullYear(parseInt("20" + aTmp[2]));
            oDate.setDate(parseIntReal(aTmp[0]));
            oDate.setMonth(iMonth);
            oDate.setDate(oDate.getDate() - 6);
            for (i = aLowestIndices[sType]; i < aLowestIndices[sType] + 5; i++) {
                oDate.setDate(oDate.getDate() + 1);
                iDay = oDate.getDate();
                sDay = (iDay < 10) ? '0' + iDay : '' + iDay;
                sMonth = aMonths[oDate.getMonth() + 1];
                iYear = oDate.getFullYear();
                sYear = (iYear.toString()).substring(2, 4);
                sNewDate = sDay + ' ' + sMonth + ' ' + sYear;
                sNewContent += '<div class="item"><a id="a_sel_' + sType + '_' + i + '" href="#" onclick="changeSelValue (\'' + sType + '\', \'' + sNewDate + '\'); return false;">' + sNewDate + '</a></div>';
            }
            document.getElementById('sel_list_' + sType).innerHTML = sNewContent + document.getElementById('sel_list_' + sType).innerHTML;
            document.getElementById('sel_layer_top_' + sType).innerHTML = '&nbsp;';
        }
    }
    else { // add 5 days after
        // find highest:
        if (document.getElementById('a_sel_' + sType + '_0')) {
            iCounter = 0;
            while (true) {
                if (!document.getElementById('a_sel_' + sType + '_' + iCounter)) {
                    break;
                }
                iCounter++;
            }
            sDateLast = document.getElementById('a_sel_' + sType + '_' + (iCounter - 1)).innerHTML;
            aTmp = sDateLast.split(' ');
            iMonth = getMonthAsInt(aTmp[1]) - 1;
            oDate = new Date();
            oDate.setFullYear(parseInt("20" + aTmp[2]));
            // alert(parseIntReal(aTmp[0]));
            oDate.setDate(parseIntReal(aTmp[0]));
            oDate.setMonth(iMonth);
            for (i = 0; i < 5; i++) {
                oDate.setDate(oDate.getDate() + 1);
                iDay = oDate.getDate();
                sDay = (iDay < 10) ? '0' + iDay : '' + iDay;
                sMonth = aMonths[oDate.getMonth() + 1];
                iYear = oDate.getFullYear();
                sYear = (iYear.toString()).substring(2, 4);
                sNewDate = sDay + ' ' + sMonth + ' ' + sYear;
                sNewContent += '<div class="item"><a id="a_sel_' + sType + '_' + (iCounter + i) + '" href="#" onclick="changeSelValue (\'' + sType + '\', \'' + sNewDate + '\'); return false;">' + sNewDate + '</a></div>';
            }
            document.getElementById('sel_list_' + sType).innerHTML += sNewContent;
            document.getElementById('sel_layer_bottom_' + sType).innerHTML = '&nbsp;';
        }
    }
}


/**
 * help function for date: Get month as int from array aMonths
 *
 * @param string
 *            sMonth
 * @return int
 */
function getMonthAsInt(sMonth){
    // no use of indexOf because of browser comp.
    for (i = 1; i < 13; i++) {
        if (aMonths[i] == sMonth) {
            return i;
        }
    }
    return 0;
}


/**
 * checks if user can book more rooms than given in list
 *
 * @return void
 */
function checkMoreRooms(){
    sValue = "unlimited"; // selectValue
    // (document.forms['frmSearch_Hotel'].count_rooms);
    if (sValue != 'unlimited' || bLogged) {
        bCanSubmit = true;
        if (sBookingKind != "new_contingent" && bLogged && sValue == 'unlimited') {
            if (!confirm(sHintGoToNewContingent)) {
                bCanSubmit = false;
            }
        }
        if (bCanSubmit) {
            // reload page with change of booking type #count_rooms=unlimited
            if (!sUrlContingent) {
                location.href = sAction + '?idcat=' + iIdcat + '&idart=' + iIdart + '&ex_id=' + iExId + '&count_rooms=unlimited';
            }
            else {
                location.href = sUrlContingent;
            }
        }
        else {
            // document.getElementById('count_rooms').selectedIndex =
            // iSelectedIndexRoomCount;
        }
    }
    else {
        popWinCenter(sLocationChoose);
    }
}


function domContains(container, containee){
    while (containee) {
        if (container === containee) {
            return true;
        }
        containee = containee.parentNode;
    }
    return false;
}


function checkMouseLeave(node, evt){
    if (typeof evt.relatedTarget != 'undefined') {
        return !domContains(node, evt.relatedTarget);
    }
    else 
        if (typeof evt.toElement != 'undefined' && typeof node.contains != 'undefined') {
            // return !node.contains(evt.toElement);
            return (evt.fromElement.tagName == "DIV" && !node.contains(evt.toElement));
        }
}


// active hotel details (rooms/availibility)
var iActiveHotelDetails = 0;
// save img src for reset:
var sChooseImgSrc = '';

/**
 * shows layer with details (rooms/availibility) and changes styles for hotel
 * row:
 *
 * @param int
 *            iHotelId
 * @return void
 */
function showHotelDetails(iHotelId){
    if (document.getElementById('hotel_row_' + iHotelId)) {
        if (iActiveHotelDetails == iHotelId) {
            hideHotelDetails();
        }
        else {
            // if other is opened then close it:
            if (iActiveHotelDetails != 0) {
                hideHotelDetails();
            }
            oHotelRow = document.getElementById('hotel_row_' + iHotelId);
            aTmp = (oHotelRow.className).split(' ');
            // oHotelRow.className = (aTmp[0] + ' bg_dark_grey');
            if (!bMsie6) {
                oHotelRow.style.backgroundColor = '#C8C8C8';
            }
            sChooseImgSrc = document.getElementById('choose_img_' + iHotelId).src;
            // active button depends on color:
            aTmp = sChooseImgSrc.split('_');
            iTmp = aTmp.length;
            sColor = '';
            for (i = 0; i < iTmp; i++) {
                switch (aTmp[i]) {
                    case 'green':
                        sColor = 'green';
                        break;
                        
                    case 'orange':
                        sColor = 'orange';
                        break;
                        
                    case 'red':
                        sColor = 'red';
                        break;
                        
                    default:
                        break;
                }
                
                if (sColor != '') {
                    break;
                }
            }
            // alert(sColor);
            sBaseHref = document.getElementsByTagName('base')[0].href;
            
            document.getElementById('choose_img_' + iHotelId).src = sBaseHref + 'upload/zimages/hl_choose_active_' + sColor + '.gif';
            iActiveHotelDetails = iHotelId;
            document.getElementById('big_details_' + iHotelId).style.display = 'block';
            document.getElementById('big_details_' + iHotelId).style.backgroundColor = '#FFF';
            // position and show next button
            if (document.getElementById('hotellist_next_button')) {
                oNextButtonLayer = document.getElementById('hotellist_next_button');
                aTmp = findPos(document.getElementById('big_details_' + iHotelId));
                oNextButtonLayer.style.visibility = 'visible';
                oNextButtonLayer.style.top = (aTmp[1] + 10) + 'px';
                oNextButtonLayer.style.left = (aTmp[0] + 758) + 'px';
                correctMsieBugs();
            }
        }
    }
}


/**
 * hides active hotel details
 *
 * @return void
 */
function hideHotelDetails(){
    if (iActiveHotelDetails != 0) {
        oHotelRow = document.getElementById('hotel_row_' + iActiveHotelDetails);
        // aTmp = (oHotelRow.className).split(' ');
        // oHotelRow.className = (aTmp[0] + ' black');
        oHotelRow.style.backgroundColor = '#FFF';
        document.getElementById('choose_img_' + iActiveHotelDetails).src = sChooseImgSrc;
        document.getElementById('big_details_' + iActiveHotelDetails).style.display = 'none';
        iActiveHotelDetails = 0;
        document.getElementById('hotellist_next_button').style.visibility = 'hidden';
        if (document.getElementById('hotellist_room_desc')) {
            document.getElementById('hotellist_room_desc').style.visibility = 'hidden';
        }
        if (document.getElementById('hotellist_room_desc_locked')) {
            document.getElementById('hotellist_room_desc_locked').style.visibility = 'hidden';
        }
    }
}


// for show more/less days in big details:
var aShowDays = new Array();


/**
 * if more than 10 days in big details list then days-paging function (here next
 * (max 5)
 *
 * @param int
 *            iHotelId
 * @param int
 *            iFirst
 * @param int
 *            iLast
 * @return void
 */
function showMoreDays(iHotelId, iFirst, iLast){
    if (!aShowDays[iHotelId]) { // save current
        aShowDays[iHotelId] = new Array();
        aShowDays[iHotelId][0] = iFirst;
        aShowDays[iHotelId][1] = iLast;
    }
    iCounterHide = aShowDays[iHotelId][0];
    iCounterShow = aShowDays[iHotelId][1];
    iCounter = 0; // only 5 each time
    while (document.getElementById('day_header_' + iHotelId + '_' + iCounterShow)) {
        aShowDays[iHotelId][0] = iCounterHide;
        aShowDays[iHotelId][1] = iCounterShow;
        document.getElementById('day_header_' + iHotelId + '_' + iCounterShow).style.display = 'inline';
        document.getElementById('day_header_' + iHotelId + '_' + iCounterHide).style.display = 'none';
        // now show/hide days of rooms:
        iCounterRoom = 0;
        while (document.getElementById('day_details_' + iHotelId + '_' + iCounterRoom + '_' + iCounterShow)) {
            document.getElementById('day_details_' + iHotelId + '_' + iCounterRoom + '_' + iCounterShow).style.display = 'inline';
            document.getElementById('day_details_' + iHotelId + '_' + iCounterRoom + '_' + iCounterHide).style.display = 'none';
            iCounterRoom++;
        }
        iCounterHide++;
        iCounterShow++;
        iCounter++;
        if (iCounter == 5) {
            break;
        }
    }
    // if no more rooms later then hide button:
    if (!document.getElementById('day_header_' + iHotelId + '_' + iCounterShow)) {
        document.getElementById('show_more_days_' + iHotelId).style.display = 'none';
    }
    // show prev button:
    document.getElementById('show_less_days_' + iHotelId).style.display = 'inline';
}


/**
 * if more than 10 days in big details list then days-paging function (here:
 * paging back)
 *
 * @param int
 *            iHotelId
 * @param int
 *            iFirst
 * @param int
 *            iLast
 * @return void
 */
function showLessDays(iHotelId, iFirst, iLast){
    if (!aShowDays[iHotelId]) { // save current
        aShowDays[iHotelId] = new Array();
        aShowDays[iHotelId][0] = iFirst;
        aShowDays[iHotelId][1] = iLast;
    }
    iCounterHide = aShowDays[iHotelId][1];
    iCounterShow = aShowDays[iHotelId][0];
    iCounter = 0;
    while (document.getElementById('day_header_' + iHotelId + '_' + iCounterShow)) {
        aShowDays[iHotelId][1] = iCounterHide;
        aShowDays[iHotelId][0] = iCounterShow;
        document.getElementById('day_header_' + iHotelId + '_' + iCounterShow).style.display = 'inline';
        if (document.getElementById('day_header_' + iHotelId + '_' + iCounterHide)) {
            document.getElementById('day_header_' + iHotelId + '_' + iCounterHide).style.display = 'none';
        }
        // now show/hide days of rooms:
        iCounterRoom = 0;
        while (document.getElementById('day_details_' + iHotelId + '_' + iCounterRoom + '_' + iCounterShow)) {
            document.getElementById('day_details_' + iHotelId + '_' + iCounterRoom + '_' + iCounterShow).style.display = 'inline';
            if (document.getElementById('day_details_' + iHotelId + '_' + iCounterRoom + '_' + iCounterHide)) {
                document.getElementById('day_details_' + iHotelId + '_' + iCounterRoom + '_' + iCounterHide).style.display = 'none';
            }
            else {
                // alert ('day_details_' + iHotelId + '_' + iCounterRoom + '_' +
                // iCounterHide);
            }
            iCounterRoom++;
        }
        iCounterHide--;
        iCounterShow--;
        iCounter++;
        if (iCounter == 5) {
            break;
        }
    }
    // if no more rooms later then hide button:
    if (!document.getElementById('day_header_' + iHotelId + '_' + iCounterShow)) {
        document.getElementById('show_less_days_' + iHotelId).style.display = 'none';
    }
    document.getElementById('show_more_days_' + iHotelId).style.display = 'inline';
}


/**
 * shows room desc (alpha layer) Thus find pos and display room desc in layer
 *
 * @param int
 *            iRoomRowId
 * @return void
 */
function showRoomDesc(iRoomRowId, iRoomIndex){
    oRoomRow = document.getElementById('room_days_row_' + iRoomRowId);
    aTmp = findPos(oRoomRow);
    oLayerAlpha = document.getElementById('hotellist_room_desc');
    if (!bMsie6) {
        oLayerAlpha.style.left = (aTmp[0] + 44) + 'px';
    }
    else {
        oLayerAlpha.style.left = (aTmp[0] - 74) + 'px';
    }
    oLayerAlpha.style.top = aTmp[1] + 'px';
    oTmp = document.getElementById('room_desc_img_' + iRoomRowId).getAttributeNode('alt');
    document.getElementById('hotellist_room_desc_inner').innerHTML = oTmp.nodeValue;
    oLayerAlpha.style.visibility = 'visible';
    iCurrRoomSelectedIndex = iRoomIndex;
}


var iCurrRoomSelectedIndex = 0;
var iSelectedRoomIndex = 0;
/**
 * lock room selection or hide it: 1. if user clicks on room desc layer then
 * position the second layer (same look) exactly where other is and fill
 * innerHTML (innerHTML of room desc layer) and set selected room index 2. if
 * user clicks on this second layer then hide it and reset iRoomIndex
 *
 * @param bool
 *            bShow
 */
function lockRoomSelection(bShow){
    oLayerDescLocked = document.getElementById('hotellist_room_desc_locked');
    if (bShow) {
        iSelectedRoomIndex = iCurrRoomSelectedIndex;
        aTmp = findPos(document.getElementById('hotellist_room_desc'));
        oLayerDescLocked.style.left = aTmp[0] + 'px';
        oLayerDescLocked.style.top = aTmp[1] + 'px';
        document.getElementById('hotellist_room_desc_inner_l').innerHTML = document.getElementById('hotellist_room_desc_inner').innerHTML;
        oLayerDescLocked.style.visibility = 'visible';
    }
    else {
        iSelectedRoomIndex = 0;
        oLayerDescLocked.style.visibility = 'hidden';
        oLayerDescLocked.style.top = '0px';
    }
}


// AJAX without XML: Get more fairs:
var bRefresh = true;
/**
 * refreshes hotel list with AJAX gets values, creates URL ad creates script
 * element for ajax
 *
 * @return void
 */
function refreshHotellist(){
    hideHotelDetails();
    if (bRefresh) {
        if (document.getElementById('hotellist_hotels')) {
            bRefresh = false;
            document.getElementById('message_layer').innerHTML = '';
            document.getElementById('hotellist_next_button').style.visibility = 'hidden';
            document.getElementById('hotellist_hotels').innerHTML = document.getElementById('loading_stuff').innerHTML;
            aArrival = getDateFromHTML('arrival');
            aArrival[1]++;
            aDeparture = getDateFromHTML('departure');
            aDeparture[1]++;
            iAmount = parseInt((document.getElementById('value_amount')) ? document.getElementById('value_amount').innerHTML : '');
            sURL = 'index.html?idart=' + iAjaxHotellistIdart + '&ex_id=' + iExId + '&datefrom=' + aArrival.join('/') + '&dateuntil=' + aDeparture.join('/') + '&room_count=' + iAmount;
            if (iAjaxSortBy != 0) {
                sURL += '&sortby=' + iAjaxSortBy;
            }
            if (iAjaxSortOrder != 0) {
                sURL += '&sortorder=' + iAjaxSortOrder;
            }
            var jsel = document.createElement('SCRIPT');
            jsel.type = 'text/javascript';
            jsel.src = sURL;
            // Append JS element (therefore executing the 'AJAX' call)
            document.body.appendChild(jsel);
            bRefresh = true;
        }
        else {
            if (!bMsie) {
                setTimeout("refreshHotellist ()", 1000);
            }
        }
    }
}


/**
 * changes sorting of hotellist
 *
 * @param int
 *            iSortBy
 * @param int
 *            iSortOrder
 * @return void
 */
function changeHotellistSort(iSortBy, iSortOrder){
    aArrival = getDateFromHTML('arrival');
    aArrival[1]++;
    aDeparture = getDateFromHTML('departure');
    aDeparture[1]++;
    iAmount = parseInt((document.getElementById('value_amount')) ? document.getElementById('value_amount').innerHTML : '');
    sBaseHref = document.getElementsByTagName('base')[0].href; // msie again
    // and again...
    sUrl = sBaseHref + 'index.html?idcat=' + iIdcat + '&idart=' + iIdart + '&ex_id=' + iExId + '&datefrom=' + aArrival.join('/') + '&dateuntil=' + aDeparture.join('/') + '&room_count=' + iAmount + '&sortby=' + iSortBy + '&sortorder=' + iSortOrder;
    location.href = sUrl;
}


/**
 * refreshes hotel matrix gets values, creates URL ad creates script element for
 * ajax
 *
 * @return void
 */
function refreshHotelMatrix(){
    if (bRefresh) {
        bRefresh = false;
        document.getElementById('text_fair_period').style.display = 'none';
        document.getElementById('message_layer').innerHTML = '';
        sArrival = '';
        sRadioValue = '';
        if (document.forms['hotel_matrix_form'].datefrom) {
            sArrival = radioValue(document.forms['hotel_matrix_form'].datefrom);
        }
        if (radioValue(document.forms['hotel_matrix_form'].dateuntil)) {
            sRadioValue = radioValue(document.forms['hotel_matrix_form'].dateuntil);
        }
        
        document.getElementById('hotel_matrix_selection').innerHTML = document.getElementById('loading_stuff').innerHTML;
        iAmount = parseInt((document.getElementById('value_amount')) ? document.getElementById('value_amount').innerHTML : 1);
        document.forms['hotel_matrix_form'].room_amount.value = iAmount;
        sDateUntilPar = '';
        
        if (sRadioValue != false) {
            sDateUntilPar = '&dateuntil=' + sRadioValue;
        }
        sURL = 'front_content.php?idart=' + iAjaxHotelmatrixIdart + '&ex_id=' + iExId + '&datefrom=' + sArrival + '&hotelId=' + iHotelId + '&room_count=' + iAmount + '&room_index=' + iRoomcat + sDateUntilPar;
        // alert(sURL);
        var jsel = document.createElement('SCRIPT');
        jsel.type = 'text/javascript';
        jsel.src = sURL;
        // Append JS element (therefore executing the 'AJAX' call)
        document.body.appendChild(jsel);
        bRefresh = true;
        
        // now change min_booking:
        iCounterMinb = 0;
        // alert(iRoomcat);
        while (document.getElementById('minbooking_room_' + iCounterMinb)) {
            document.getElementById('minbooking_room_' + iCounterMinb).style.display = (iCounterMinb == iRoomcat) ? 'block' : 'none';
            if (document.getElementById('room_cond_' + iCounterMinb)) {
                document.getElementById('room_cond_' + iCounterMinb).style.display = (iCounterMinb == iRoomcat) ? 'block' : 'none';
            }
            iCounterMinb++;
        }
    }
}


/**
 * shows layer with explanations
 *
 * @return void
 */
function showDistanceExpl(){
    if (document.getElementById('explanations_bottom')) {
        oLayer = document.getElementById('explanations_bottom');
        aTmp = findPos(document.getElementById('header_distance'));
        oLayer.style.left = (aTmp[0] - 10) + 'px';
        oLayer.style.top = (aTmp[1] + document.getElementById('header_distance').offsetHeight) + 'px';
        oLayer.style.display = (oLayer.style.display == 'inline') ? 'none' : 'inline';
    }
}


/**
 * goes to hotel matrix if no hotel selected (no hotel avail) then go to manual
 * form else collect selected values and pass them to matrix
 *
 * @return void
 */
function goToMatrix(){
    if (iActiveHotelDetails == -1) { // manual
        if (document.getElementById('r_0').checked) {
            window.open(document.getElementById('href_der_hotel').value);
        }
        else 
            if (document.getElementById('r_1').checked) {
                location.href = document.getElementById('manual_booking_link').value;
            }
    }
    else 
        if (iActiveHotelDetails != 0) {
            aArrival = getDateFromHTML('arrival');
            aArrival[1]++;
            if (aArrival[0] < 10) {
                aArrival[0] = '0' + aArrival[0];
            }
            if (aArrival[1] < 10) {
                aArrival[1] = '0' + aArrival[1];
            }
            aDeparture = getDateFromHTML('departure');
            aDeparture[1]++;
            if (aDeparture[0] < 10) {
                aDeparture[0] = '0' + aDeparture[0];
            }
            if (aDeparture[1] < 10) {
                aDeparture[1] = '0' + aDeparture[1];
            }
            iAmount = 1;
            if (document.getElementById('value_amount')) {
                iAmount = parseInt((document.getElementById('value_amount')) ? document.getElementById('value_amount').innerHTML : '');
            }
            if (isNaN(iAmount)) {
                iAmount = 1;
            }
            sHrefMatrix = sUrlFirst + sTextPrices + ',' + iCUST_ID + ',' + iADD_ID + ',' + iFairLogoId + ',' + iExId + ',' + iVacId + ',' + aArrival.join('/') + '-' + aDeparture.join('/') + ',' + iAmount + ',' + iActiveHotelDetails + '|' + iSelectedRoomIndex + '|matrix,' + iLang + '.html';
            
            // if iframe then open in new win:
            if (document.getElementById('iframe')) {
                window.open(sHrefMatrix);
            }
            else {
                location.href = sHrefMatrix;
            }
        }
        else {
            alert('No hotel selected!');
        }
}


/**
 * goes back to hotellist from matrix (fetch params and create url)
 *
 * @return void
 */
function goBackToHotellist(){
    aArrival = getDateFromHTML('arrival');
    aArrival[1]++;
    if (aArrival[1] < 10) {
        aArrival[1] = '0' + aArrival[1];
    }
    sHrefHotellist = 'index-v-33-45-' + iExId + '-' + aArrival.join('/') + '-([0-9]{2}\/[0-9]{2}\/[0-9]{4})_' + iIdlang + '.html';
    // alert(sHrefHotellist);
}


/**
 * positions fair period text (vertical text)
 *
 * @return void
 */
function positionFairPeriodText(){
    // good possibility to mark fair period:
    if (document.getElementById('icon_fair_first_day')) {
        aTmp = findPos(document.getElementById('icon_fair_first_day'));
        oLayer = document.getElementById('text_fair_period');
        oLayer.style.display = 'inline';
        oLayer.style.left = (aTmp[0] - 13) + 'px';
        if (document.getElementById('icon_fair_last_day')) {
            aTmpB = findPos(document.getElementById('icon_fair_last_day'));
            aTmp[1] = aTmp[1] + Math.round((aTmpB[1] - aTmp[1] - oLayer.offsetHeight) / 2);
        }
        oLayer.style.top = aTmp[1] + 'px';
    }
    else {
        document.getElementById('text_fair_period').style.display = 'none';
    }
}


/**
 * matrix: Calculate price if user checks radio button
 *
 * @return iStatus (-2 minbooking error, -1: not enough selected, 0: arrival >
 *         departure, 1: ok)
 */
var bFirstCalc = true;
var bWasfirst = false;
function calculatePrice(sCallId){
    //BUGFIX #ID MATRIX[2010/04/23]
    if (iMinAmountNights == -1 && bWasfirst) {
        if (!bFirstCalc) {
            iMinAmountNights = 0;
        }
        else {
            bFirstCalc = false;
            bWasfirst = true;
        }
    }
    else {
        bFirstCalc = false;
    }
    
    if (parseInt(iMinAmountNights) == 0) {
    
        positionFairPeriodText();
        
        sValue = false;
        sValueArrival = false;
        
        sValue = radioValue(document.forms['hotel_matrix_form'].dateuntil);
        
        sValueArrival = radioValue(document.forms['hotel_matrix_form'].datefrom);
        // /alert('Anreise laut URL: '+sValueArrival+' - '+sValue);
        if (sCallId != undefined) {
        
            var iRadios = parseInt(document.forms['hotel_matrix_form'].datefrom.length);
            var iChecked = sCallId.split("_");
            
            iChecked = parseInt(iChecked[1]);
            
            var sLastInRange = false;
            
            for (i = iChecked; i < iRadios; i++) {
                var tmpa = document.forms['hotel_matrix_form'].datefrom[i].value.split("/");
                if (sLastInRange == false || parseInt(sLastInRange) + 1 == parseIntReal(tmpa[0])) {
                    sLastInRange = parseIntReal(tmpa[0]);
                    
                }
            }
            tmpa = sValue.split("/");
            tmpb = sValueArrival.split("/");
            
            if (parseIntReal(tmpa[0]) <= parseIntReal(tmpb[0]) || parseIntReal(tmpa[0]) - 1 > sLastInRange) {
                document.forms['hotel_matrix_form'].dateuntil[iChecked].checked = true;
            }
        }
        
        else {
            var iRadios = parseInt(document.forms['hotel_matrix_form'].dateuntil.length);
            
            var iChecked;
            for (var i = 0; i < document.forms['hotel_matrix_form'].dateuntil.length; i++) {
                if (document.forms['hotel_matrix_form'].dateuntil[i].checked == true) {
                    iChecked = i;
                }
            }
            // alert('Areisebubble Nr '+ iChecked);
            
            var sFirstInRange = false;
            
            
            
            
            for (var i = iChecked; i >= 0; i = i - 1) {
                var tmpa = document.forms['hotel_matrix_form'].dateuntil[i].value.split("/");
                
                // Kill the Bug if there is a date with a 0 as first char
                
                /*
                 * if(tmpa.charAt(0)==0){ tmpa = tmpa.charAt(1); }
                 */
                // alert(parseInt(sFirstInRange)-1+' - '+parseInt(tmpa[0]));
                // alert(parseIntReal(tmpa[0]));
                if (sFirstInRange == false || parseIntReal(sFirstInRange) - 1 == parseIntReal(tmpa[0])) {
                    sFirstInRange = tmpa[0];
                    // alert(sFirstInRange);
                
                }
            }
            
            tmpa = sValueArrival.split("/");
            tmpb = sValue.split("/");
            if (parseIntReal(tmpa[0]) >= parseIntReal(tmpb[0]) || parseIntReal(tmpa[0]) + 1 < sFirstInRange) {
                document.forms['hotel_matrix_form'].datefrom[iChecked].checked = true;
            }
        }
    }
    // Minbooking support
    else {
		// check MinAmmount
        if (iMinAmountNights != -1) {
        
            positionFairPeriodText();
            
            sValue = false;
            sValueArrival = false;
            if (document.forms['hotel_matrix_form'].dateuntil) 
                sValue = radioValue(document.forms['hotel_matrix_form'].dateuntil);
            if (document.forms['hotel_matrix_form'].datefrom) 
                sValueArrival = radioValue(document.forms['hotel_matrix_form'].datefrom);
            
            if (sValue != false && sValueArrival != false) {
                // check for negative:
                aTmp = sValue.split('/');
                oDeparture = new Date(aTmp[2], parseIntReal(aTmp[1]) - 1, parseIntReal(aTmp[0]));
                aTmp = sValueArrival.split('/');
                oArrival = new Date(aTmp[2], parseIntReal(aTmp[1]) - 1, parseIntReal(aTmp[0]));
                if (oDeparture.getTime() - oArrival.getTime() <= 0) {
                    displayCurrentPrice(0.0);
                    return 0;
                }
            }
        }
    }
	
	
    sValueArrival = radioValue(document.forms['hotel_matrix_form'].datefrom);
    sValue = radioValue(document.forms['hotel_matrix_form'].dateuntil);
    // Fixed a BUG if there is just one Element in Array function radioValue will not work!
	//STARTFIX
	if(!sValueArrival){
		sValueArrival = document.forms['hotel_matrix_form'].datefrom.value;
	}
	if(!sValue){
		sValue = document.forms['hotel_matrix_form'].dateuntil.value;
	}
	/// ENDFIX

    // alert(sTmp);
    if (sValue != false && sValueArrival != false) {
        // check for negative:
        aTmp = sValue.split('/');
        oDeparture = new Date(aTmp[2], parseIntReal(aTmp[1]) - 1, parseIntReal(aTmp[0]));
        aTmp = sValueArrival.split('/');
        oArrival = new Date(aTmp[2], parseIntReal(aTmp[1]) - 1, parseIntReal(aTmp[0]));
        if (oDeparture.getTime() - oArrival.getTime() <= 0) {
            displayCurrentPrice(0.0);
            return 0;
        }
        
        // check for minbooking
        if (iMinAmountNights > 0) {
            if ((oDeparture.getTime() - oArrival.getTime()) / (1000 * 60 * 60 * 24) < iMinAmountNights) {
                displayCurrentPrice(0.0);
                return -2;
            }
        }
        
        sDateUntilPassed = sValue;
        aTmp = sValue.split('/');
        sValue = aTmp[0] + '.' + aTmp[1] + '.' + aTmp[2].substring(2, 4);
        aTmp = sValueArrival.split('/');
        sValueArrival = aTmp[0] + '.' + aTmp[1] + '.' + aTmp[2].substring(2, 4);
        iCounter = 0;
        fPrice = 0.0;
        
        iAmount = parseInt((document.getElementById('value_amount')) ? document.getElementById('value_amount').innerHTML : 1);
        bAlreadyArrived = false;
        while (document.getElementById('room_date_' + iCounter)) {
            if (document.getElementById('room_radio_' + iCounter).innerHTML == ''            /*
             * ||
             * !document.getElementById('room_price_' +
             * (iCounter -
             * 1))
             */
            ) {
                iCounter++;
                continue;
            }
            sDate = document.getElementById('room_date_' + iCounter).innerHTML;
            aTmp = sDate.split(' ');
            sDate = aTmp[1];
            
            if (!bAlreadyArrived) {
                if (sDate == sValueArrival) {
                    bAlreadyArrived = true;
                }
                iCounter++;
                continue;
            }
            
            // if
            // (document.forms['hotel_matrix_form'].elements['status_overbooking_'
            // + (iCounter - 1)].value == '1') {
            // bOverbooking = true;
            // }
            sPrice = document.getElementById('room_price_' + (iCounter - 1)).innerHTML;
            aTmp = sPrice.split(' ');
            sPrice = aTmp[1].replace('-', '00');
            sPrice = sPrice.replace(',', '.');
            fPrice += iAmount * parseFloat(sPrice);
            
            if (sDate == sValue) {
                break;
            }
            iCounter++;
        }
        
        fPrice = Math.round(fPrice * 100) / 100;
        
        displayCurrentPrice(fPrice);
        return 2;
    }
    else {
        displayCurrentPrice(0.0);
        return -1;
    }
}



/**
 * Matrix: Display current price
 *
 * @param float
 *            fPrice
 * @return void
 */
function displayCurrentPrice(fPrice){
    sPriceDisplay = fPrice.toString();
    if (sPriceDisplay.indexOf('.') == -1) {
        sPriceDisplay += ",00";
    }
    else {
        aTmp = sPriceDisplay.split('.');
        sCents = aTmp[1];
        if (sCents.length == 1) {
            sCents += "0";
        }
        sPriceDisplay = aTmp[0] + "," + sCents;
    }
    if (document.getElementById('price_all')) {
        if (sPriceDisplay == 'NaN,-') {
            document.getElementById('price_all').innerHTML = '';
            document.getElementById('expl_price_all').style.display = 'none';
        }
        else {
            document.getElementById('price_all').innerHTML = "EUR " + sPriceDisplay;
            document.getElementById('expl_price_all').style.display = 'inline';
        }
    }
}


/**
 * Matrix: Calculate current price for "new contingent" booking loop over all
 * days and check for input
 *
 * @return bool (for checking complete)
 */
function calculatePriceTm(){
    iCounter = 0;
    fPrice = 0.0;
    fPriceMinBookingDaysBeforeLast = 0.0;
    while (document.getElementById('room_date_' + iCounter)) {
        sPrice = document.getElementById('room_price_' + iCounter).innerHTML;
        aTmp = sPrice.split(' ');
        sPrice = aTmp[1].replace('-', '');
        sPrice = sPrice.replace(',', '.');
        iAmount = 0;
        if (document.forms['hotel_matrix_form'].elements['minbooking_until_' + iCounter]) {
            fPriceMinBookingDaysBeforeLast += parseFloat(sPrice);
        }
        else 
            if (document.getElementById('count_' + iCounter)) {
                iAmount = parseInt(document.getElementById('count_' + iCounter).value);
                if (fPriceMinBookingDaysBeforeLast > 0.0 && iAmount == 0) {
                    fPriceMinBookingDaysBeforeLast = 0.0;
                }
            }
        iCounter++;
        if (isNaN(iAmount) || iAmount == 0) {
            continue;
        }
        if (fPriceMinBookingDaysBeforeLast != 0) {
            fPrice += iAmount * fPriceMinBookingDaysBeforeLast;
            fPriceMinBookingDaysBeforeLast = 0;
            iCounterTmp = iCounter - 2;
            while (document.forms['hotel_matrix_form'].elements['minbooking_until_' + iCounterTmp]) {
                document.forms['hotel_matrix_form'].elements['count_' + iCounterTmp].value = iAmount;
                iCounterTmp--;
            }
        }
        fPrice += iAmount * parseFloat(sPrice);
    }
    displayCurrentPrice(fPrice);
    return (parseIntReal(fPrice) > 0);
}


/**
 * checks if room selection (matrix) is complete
 *
 * @return void
 */
function checkComplete(){
    bOk = false;
    iStatus = -1;
    if (!document.getElementById('count_0')) { // no new contingent
        iStatus = calculatePrice();
        if (iStatus > 0) {
            bOk = true;
        }
    }
    else {
        bOk = calculatePriceTm();
        
    }
    
    if (bOk) {
        document.forms['hotel_matrix_form'].submit();
    }
    else {
        if (!document.getElementById('count_0')) { // no new contingent
            if (!document.forms['hotel_matrix_form'].dateuntil) {
                location.href = sHrefManualbooking;
            }
            else {
                if (iStatus == -1) {
                    alert(sErrorNothingChosen);
                }
                else 
                    if (iStatus == -2) {
                        alert(sErrorMinDays);
                    }
                    else {
                        alert(sErrorDateArrival);
                    }
            }
        }
    }
}


// msie again...
if (bMsie) {
    document.write("<a href='#' onclick='return false;' id='V1'>&nbsp;</a>");
}


var bLoadedComplete = false;

var iCurrentImgLargeId = 0;


/**
 * hotel gallery zoom img
 *
 * @param int
 *            iId
 * @return void
 */
function zoomHotelImg(iId){
    document.getElementById('gallery_prev_img').style.visibility = 'hidden';
    document.getElementById('gallery_next_img').style.visibility = 'hidden';
    iCurrentImgLargeId = iId;
    bLoadedComplete = false; // reset value
    oLayerAlpha = document.getElementById('gallery_alpha_layer');
    if (bMsie) {
        oLayerAlpha.style.height = screen.height + 'px';// '100%';
        oLayerAlpha.style.width = screen.width + 'px';// '100%';
    }
    else {
        oLayerAlpha.style.height = '100%';
        oLayerAlpha.style.width = '100%';
    }
    // document.documentElement.style.overflow = 'hidden'; // firefox, chrome
    // document.body.scroll = "no"; // ie only
    oLayerAlpha.style.visibility = 'visible';
    oImgZoom = document.getElementById('h_img_zoom');
    oImgZoom.src = aImagesLarge[iId];
    // no screen.width (screen.width + MAC + 2 monitors => some problems ...
    // LOL)
    oLayerLarge = document.getElementById('container_main_content_large');
    aTmp = findPos(oLayerLarge);
    // now adjust Img Layer to scroll pos:
    iScrollY = (bMsie) ? document.documentElement.scrollTop : window.pageYOffset;
    oLayerAlpha.style.top = iScrollY + 'px';
    oLayerImg = document.getElementById('img_zoom');
    oLayerImg.style.top = (190 + iScrollY) + 'px';
    oLayerImg.style.textAlign = 'center';
    oLayerImg.style.left = (aTmp[0] + 20) + 'px';
    
    // show loading image:
    oLoadingLayer = document.getElementById('img_zoom_loading');
    
    // oLoadingLayer.style.left = ((screen.width - oLoadingLayer.offsetWidth) /
    // 2) + 'px';
    
    oLoadingLayer.style.left = (aTmp[0] + (oLayerLarge.offsetWidth - oLoadingLayer.offsetWidth) / 2) + 'px';
    oLoadingLayer.style.top = (210 + iScrollY) + 'px';
    oLoadingLayer.style.visibility = 'visible';
    
    aTmp = findPos(oLayerImg);
    oLayer = document.getElementById('close_button2');
    iY = aTmp[1] - 10;
    iX = aTmp[0] - 10;
    oLayer.style.left = iX + 'px';
    oLayer.style.top = iY + 'px';
    oLayer.style.display = 'inline';
    
    setTimeout("zoomHotelImgFinal()", 300);
}


function showGalleryPrev(){
    hideZoomHotelImg();
    if (aImagesLarge[iCurrentImgLargeId - 1]) {
        zoomHotelImg(iCurrentImgLargeId - 1);
    }
}


function showGalleryNext(){
    hideZoomHotelImg();
    if (aImagesLarge[iCurrentImgLargeId + 1]) {
        zoomHotelImg(iCurrentImgLargeId + 1);
    }
}


/**
 * final zoom: if image is loaded completely
 *
 * @return void
 */
function zoomHotelImgFinal(){
    oImgZoom = document.getElementById('h_img_zoom');
    if (oImgZoom.complete) {
        if (bLoadedComplete) {
            oLayerImg = document.getElementById('img_zoom');
            oImg = document.getElementById('h_img_zoom');
            document.getElementById('img_zoom_loading').style.visibility = 'hidden';
            document.getElementById('img_zoom').style.visibility = 'visible';
            
            // check for prev and next button
            document.getElementById('gallery_prev_img').style.visibility = (iCurrentImgLargeId == 0) ? 'hidden' : 'visible';
            document.getElementById('gallery_next_img').style.visibility = (iCurrentImgLargeId == aImagesLarge.length - 1) ? 'hidden' : 'visible';
        }
        else {
            bLoadedComplete = true;
            setTimeout("zoomHotelImgFinal ()", 100);
        }
    }
    else {
        setTimeout("zoomHotelImgFinal ()", 50);
    }
}


/**
 * hides img zoom
 *
 * @return void
 */
function hideZoomHotelImg(){
    document.getElementById('gallery_prev_img').style.visibility = 'hidden';
    document.getElementById('gallery_next_img').style.visibility = 'hidden';
    document.getElementById('img_zoom').style.visibility = 'hidden';
    oLayerAlpha = document.getElementById('gallery_alpha_layer');
    oLayerAlpha.style.width = '10%';
    oLayerAlpha.style.height = '10%';
    oLayerAlpha.style.visibility = 'hidden';
    if (bMsie) {
        document.body.scroll = "yes";
    }
    else {
        document.documentElement.style.overflow = 'visible'; // firefox,
        // chrome
    }
    document.getElementById('close_button2').style.display = 'none';
}


/**
 * corrects msie display bugs
 *
 * @return void
 */
function correctMsieBugs(){
    if (bMsie) {
        if (document.getElementById('expl_headline')) {
            window.focus();
        }
    }
}


// gallery
var aImagesLarge = new Array();

/**
 * calls onload stuff
 *
 * @return void
 */
function callOnloadStuff(){

    loadMap(); // load google map
    correctMsieBugs();
    // gallery images:
    if (aImagesLarge.length > 0) { // array gallery template
        preloadImages(aImagesLarge);
    }
    
    // matrix:
    if (document.getElementById('room_date_0') && !document.getElementById('count_0')) {
        // First Call Here
        calculatePrice();
        
    }
    
    
}


/**
 * shows message in message layer only one message at a time
 *
 * @param string
 *            sContentMessage
 * @return void
 */
function showMessageV2(sContentMessage){
    if (document.getElementById('message_layer')) {
        bOk = true;
        // only one message at a time
        if (document.getElementById('message_layer').innerHTML != '') {
            bOk = false;
        }
        else 
            if (document.getElementById('a_message') && document.getElementById('a_message').innerHTML != '') {
                bOk = false;
            }
        if (bOk) {
            document.getElementById('message_layer').innerHTML = sContentMessage;
        }
    }
    else {
        var sContentMessage = sContentMessage;
        setTimeout("showMessageV2()", 40);
    }
}


/* *** shopping cart functions *** */

/**
 * shows shopping cart confirm layer and sets href for cancelling reservation
 *
 * @return void
 */
function confirmCancelReservation(sHrefCancel){
    document.getElementById('message_layer_confirm').style.display = 'inline';
    sCancelReservationLink = sHrefCancel;
}


/**
 * locates to href for deleting reservation
 *
 * @return void
 */
function deleteReservation(){
    location.href = sCancelReservationLink;
}


/**
 * hides message (booking)
 *
 * @return void
 */
function hideMessage(){
    sHtmlId = (arguments.length > 0) ? arguments[0] : 'message_layer_confirm';
    if (document.getElementById(sHtmlId)) {
        document.getElementById(sHtmlId).style.display = 'none';
    }
    else 
        if (document.getElementById('a_message')) {
            document.getElementById('a_message').style.display = 'none';
        }
        else {
            window.history.back();
        }
}


/**
 * parses integer without zero at first place
 *
 * @param string
 *            sString
 * @return int
 */
function parseIntReal(sString){
    return (parseInt(sString * 1));
}


/** * new matrix functions ***************** */
/**
 * shows chapter stuff matrix left side
 *
 * @param string
 *            sItem (which to show)
 * @return void
 */
function showMatrixFurtherStuff(sItem){
    aTmp = new Array('info', 'gallery', 'map');
    for (i = 0; i < 3; i++) {
        if (sItem != aTmp[i]) {
            document.getElementById('matrix_' + aTmp[i]).className = 'dn';
            document.getElementById('a_chapter_' + aTmp[i]).className = 'black matrix_chapter_nav';
        }
        else {
            document.getElementById('matrix_' + aTmp[i]).className = '';
            document.getElementById('a_chapter_' + aTmp[i]).className = 'black matrix_chapter_nav matrix_chapter_nav_a';
        }
    }
}


/**
 * matrix: shows more room row
 *
 * @param int
 *            iDir (-1 or 1)
 * @return void
 */
function showAnotherRoomRow(iDir){
    if (document.getElementById("room_row_0")) {
        iCounter = 0;
        if (iDir == -1) {
            while (document.getElementById("room_row_" + iCounter)) {
                if (document.getElementById("room_row_" + iCounter).className.indexOf('dn') == -1) {
                    if (document.getElementById("room_row_" + (iCounter - 1))) {
                        document.getElementById("room_row_" + (iCounter - 1)).className = document.getElementById("room_row_" + (iCounter - 1)).className.replace(/ dn/, '');
                    }
                    if (iCounter - 1 == 0) {
                        document.getElementById('room_earlier_caller').style.display = 'none';
                    }
                    break;
                }
                iCounter++;
            }
        }
        else {
            iCounterEnd = -1;
            while (document.getElementById("room_row_" + iCounter)) {
                if (document.getElementById("room_row_" + iCounter).className.indexOf('dn') == -1) {
                    iCounterEnd = iCounter;
                    break;
                }
                iCounter++;
            }
            if (iCounterEnd != -1) {
                while (document.getElementById("room_row_" + iCounterEnd)) {
                    if (document.getElementById("room_row_" + iCounterEnd).className.indexOf('dn') != -1) {
                        document.getElementById("room_row_" + iCounterEnd).className = document.getElementById("room_row_" + iCounterEnd).className.replace(/ dn/, '');
                        window.scrollBy(0, 36);
                        if (!document.getElementById("room_row_" + (iCounterEnd + 1))) {
                            document.getElementById('room_later_caller').style.display = 'none';
                        }
                        break;
                    }
                    iCounterEnd++;
                }
            }
        }
        positionFairPeriodText();
    }
}


window.onload = callOnloadStuff;