var ids = "";
var booking_id = "558";
var area = "";
var no_country = 0;

function check_booking() {
    if (document.getElementById("creditcard").style.visibility == "visible") {
        var error = checkCreditCard(document.form_submit.cardnumber.value,document.form_submit.cardtype.value);
        if (error == false) {
            alert("Kreditkort oplysningerne er ikke korrekte");
            return false;
        }
    }

    var terms = document.form_submit.accept_terms;
    if (terms.checked) {
        return true;
    } else {
        alert(" Du skal acceptere lejebetingelserne, før ordren kan gennemføres ");
        return false;
    }
}

var bookingPopupDiplayed;
function validateBooking() {
    bookingPopupDiplayed = 0;
    validateInputField("booking_firstName");
    validateInputField("booking_lastName");
    validateInputField("booking_street");
    validateInputField("booking_streetNo");
    validateInputField("booking_zipcode");
    validateInputField("booking_city");
    validateInputField("booking_telephone");
    validateInputField("booking_mobile");
    validateInputEmail("booking_email");

    if (document.getElementById('acceptTerms').checked == false) {
        document.getElementById('acceptTerms').style.backgroundColor="yellow";
        markBookingField();
    }    

    if (bookingPopupDiplayed == 1) {
        return false;
    }

    return true;
}

function validateInputEmail(checkfield) {
    document.getElementById(checkfield).style.backgroundColor="";
    var email = document.getElementById(checkfield);
    var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    if (!filter.test(email.value)) {
        document.getElementById(checkfield).style.backgroundColor="yellow";
        markBookingField();
    }
}

function validateInputField(checkfield){
    if (document.getElementById(''+checkfield).value == "") {
        document.getElementById(checkfield).style.backgroundColor="yellow";
        markBookingField();
        return false;
    }
    document.getElementById(checkfield).style.backgroundColor="";
}

function markBookingField() {
    if (bookingPopupDiplayed == 0) {
        alert("Udfyld felterne markeret med gult samt accept af lejebetingelserne");
        bookingPopupDiplayed = 1;
    }
}

function check_terms() {
  var terms = document.form_submit.accept_terms;
  if (terms.checked) {
     return true;
  } else {
    alert(" Du skal acceptere lejebetingelserne, før ordren kan gennemføres ");
    return false;
  }
}

function j_debug(t) {
}



function load_invoice() {
   document.getElementById("creditcard").style.visibility = "hidden"; 
}

function load_creditcard() {
   document.getElementById("creditcard").style.visibility = "visible"; 
  var body = document.getElementsByTagName('head').item(0);
  script = document.createElement('script');
  script.src = "/fileadmin/creditcard.js";
  script.type = 'text/javascript';
  script.id = 'loadScript';
  body.appendChild(script)

}

function update_calendar_start() {
  var from = document.getElementById("from");
  from.innerHTML = document.form_calendar.s_start_date.value

  for (i=document.form_calendar.s_end_date.length; i>=0; i--) {
    document.form_calendar.s_end_date.options[i] = null;
  }

  document.form_calendar.s_end_date.options[0] = new Option("Vent", "Vent");
  document.form_calendar.s_end_date.disabled = true;

  //update_end_day();
  document.form_calendar.s_end_date.selectedIndex = 0;
  update_calendar_end();
}

function customer_country() {
    var c_c = document.form_submit.country.value;
    if (c_c == "nl" || c_c == "be" || c_c == "de") {
        document.getElementById("show_creditcard").style.visibility = "hidden";
    } else {
        document.getElementById("show_creditcard").style.visibility = "visible";
    }
}

function toggle_calendar(reload) {
    var hid = document.getElementById("houseid");
    var calendar_visible = document.getElementById("calendar_visible");
    var show_calendar = document.getElementById("show_calendar");
    var show_description = document.getElementById("show_description");
    var toggle_description = document.getElementById("toggle_description");

    document.form_calendar.s_start_date.disabled = true
    document.form_calendar.s_end_date.disabled = true

    if (reload == 1) {
        for (i=document.form_calendar.s_start_date.length; i>=0; i--) {
            document.form_calendar.s_start_date.options[i] = null;
        }
        for (i=document.form_calendar.s_end_date.length; i>=0; i--) {
            document.form_calendar.s_end_date.options[i] = null;
        }
        calendar_visible.innerHTML = 0;
    }
    if (calendar_visible.innerHTML == "1") {
        show_calendar.style.visibility = "hidden";
        show_description.style.visibility = "visible";
        calendar_visible.innerHTML = 0;
        toggle_description.innerHTML = "<A href=\"javascript:toggle_calendar()\">Vælg anden periode.</A>";

    } else {
//        var s;
//        s  = document.form_calendar.s_start_date.selectedIndex;
//        document.form_calendar.s_start_date.options[s] = new Option("vent", "vent");
//        s = document.form_calendar.s_end_date.selectedIndex;
//        document.form_calendar.s_end_date.options[s] = new Option("vent", "vent");
        show_calendar.style.visibility = "visible";
        show_description.style.visibility = "hidden";
        calendar_visible.innerHTML = 1;
        toggle_description.innerHTML = "<A href=\"javascript:toggle_calendar()\">Vis husets beskrivelse</A>";

        var body = document.getElementsByTagName('head').item(0);
        script = document.createElement('script');
        script.src = "http://www.holidayhome4you.dk/get_vacancy.php?lang=dk&house_id="+hid.innerHTML+"&startdate="+document.form_calendar.s_month.value+"&arrival=1";
        script.type = 'text/javascript';
        script.id = 'loadScript';
        body.appendChild(script)

    }

}
function hide_ids() {
    var hide_sub = ids.split(",");
    var len = hide_sub.length - 1;

    for (i=0; i<len; i++) {
    }
    ids = "";
}

function load_frontpage() {
    load_days();

    if (no_country == 0) {
        try  {
            load_country();
        } catch (e) {}
    }
}

var jump_month_ahead = 3;
function load_days() {
    var date = new Date();
    var today = date.getDate();
    var thisMonth = date.getMonth();

    var month = "";

    try  {
        month = document.selector.month.value
        if (document.selector.month.length <= 2) {
            jump_month_ahead = 0;
        }
    } catch(ex) {
        return "";
    }

    var m_y = month.split("-");

    var is_first_saturday_selected = 0;

    var persons = document.selector.persons;
    i = 1;
    for (; i<=31; i++) {
        date.setFullYear(m_y[0],m_y[1]-1,i);

        document.selector.day.options[i] = null;
        if (date.getDate() == i) {
            var weekNote = "";
            if (date.getDay() == 6) {
                if (is_first_saturday_selected == 0) {
                    if (thisMonth == date.getMonth()) {
                        if (i>today) {
                            is_first_saturday_selected = i;
                        }
                    } else {
                        is_first_saturday_selected = i;
                    }
                }
                var week = "Uge"
                var week_no =  getWeek(date.getYear(), date.getMonth(), date.getDate());
                week_no += 1;
                weekNote = "(" + week + " " + week_no + ")";
            }
            document.selector.day.options[i] = new Option(date.getDate() + " - " + get_day(date.getDay()) + " " + weekNote, date.getDate());
        }
    }
    var jtnm = document.getElementById("jump_to_next_month");
    if (jump_month_ahead > 1 || is_first_saturday_selected == 0 && jtnm.innerHTML == 1) {
        jump_month_ahead--;
        var selectedIndex = document.selector.month.selectedIndex;
        selectedIndex++;
        document.selector.month.selectedIndex = selectedIndex;
        load_days();
    } else {
        document.selector.day.selectedIndex = is_first_saturday_selected;
        load_interval();
    }
    if (document.selector.day.selectedIndex > document.selector.day.length ) {
        document.selector.day.selectedIndex = 3;
    }
    disable_pre();
    
    if (document.selector.day.value == "") {
        document.selector.day.selectedIndex = 1;
    }

}

function disable_pre() {

    var date = new Date();
    var today = date.getDate();
    var thisMonth = date.getMonth();
    thisMonth++;
    var month = "";
    month = document.selector.month.value

    var arr = month.split("-");

    if (arr[1] == thisMonth) {
        for (i=today+3; i>0; i--) {
            document.selector.day.options[i] = null;
        }
    }

}

var state = "";

function showhide(layer_ref) {

    if (state == 'block') {
        state = 'none';
    } else {
        state = 'block';
    }
    if (document.all) { //IS IE 4 or 5 (or 6 beta)
        eval( "document.all." + layer_ref + ".style.display = state");
    }
    if (document.layers) { //IS NETSCAPE 4 or below
        document.layers[layer_ref].display = state;
    }
    if (document.getElementById &&!document.all) {
        hza = document.getElementById(layer_ref);
        hza.style.display = state;
    }
}

function clear_subarea() {
  try {
    for (i=document.form_area.s_subarea.length; i>=0; i--) {
        document.form_area.s_subarea.options[i] = null;
    }
  } catch (e) {
  }
}

function subarea(area) {
    clear_subarea();
}

function update_calendar_end() {

  var to = document.getElementById("to");
  var price = document.getElementById("price");
  to.innerHTML = document.form_calendar.s_end_date.value.split(",")[0];
  var selected_price = document.form_calendar.s_end_date.value.split(",")[1];
  price.innerHTML = selected_price;
  var bookingprice = document.getElementById("booking_price");
  if (selected_price >= 0 ) {
    bookingprice.innerHTML = selected_price + ",00";
  }
 
  var book_house = document.getElementById("book_house_link");
  var start_value = document.form_calendar.s_start_date.value;
  var end_value = document.form_calendar.s_end_date.value.split(",")[0];
  document.form_calendar.s_end_date.disabled = false;

  var hid = document.getElementById("houseid");
        var body = document.getElementsByTagName('head').item(0);
        script = document.createElement('script');
        script.src = "http://www.holidayhome4you.dk/get_vacancy.php?lang=dk&house_id="+hid.innerHTML+"&startdate="+document.form_calendar.s_start_date.value+"&departure=1";
        script.type = 'text/javascript';
        script.id = 'loadScript';
        body.appendChild(script)
}

function update_calendar_finish11() {
  var to = document.getElementById("to");
  var price = document.getElementById("price");
  to.innerHTML = document.form_calendar.s_end_date.value.split(",")[0];
  var selected_price = document.form_calendar.s_end_date.value.split(",")[1];
  price.innerHTML = selected_price;
  var bookingprice = document.getElementById("booking_price");
  if (selected_price >= 0 ) {
    bookingprice.innerHTML = selected_price + ",00";
  }

  var book_house = document.getElementById("book_house_link");
  var start_value = document.form_calendar.s_start_date.value;
  var end_value = document.form_calendar.s_end_date.value.split(",")[0];
  var hid = document.getElementById("houseid");

}

function calculate_persons(max) {
	var num_adults = document.form_submit.adults.value;
	var num_children = document.form_submit.children.value;
	
	var total = (num_adults*1) + (num_children*1);
	
	if (total > max) {
		document.getElementById("too_many_persons").innerHTML = "<font color='red'>Max " + max + " personer!</font> ";
		document.form_submit.submit.disabled = true;
	} else {
		document.form_submit.submit.disabled = false;
		document.getElementById("too_many_persons").innerHTML = "";
	}
}

function toggle_terms() {
    if (document.getElementById('terms').style.visibility == "visible") {
        document.getElementById('terms').style.visibility = "hidden";
    } else {
        document.getElementById('terms').style.visibility = "visible";
    }
}

function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject(); // We create the HTTP Object