/* hilight hotel entry */
function tBHotelHi(HotelID) {
    var link  =  document.getElementById('h' + HotelID);
    link.style.color               =  '#FF7F00';
    link.style.textDecoration      =  'underline';
}

/* unhilight hotel entry */
function tBHotelLo(HotelID) {
    var link  =  document.getElementById('h' + HotelID);
    link.style.color               =  '#000066';
    link.style.textDecoration      =  'none';
}

/* hilight special offer */
function tBSOHi(SpecialOfferID) {
    var link  =  document.getElementById('s' + SpecialOfferID);
    link.style.color               =  '#FF7F00';
    link.style.textDecoration      =  'underline';
}

/* unhilight special offer */
function tBSOLo(SpecialOfferID) {
    var link  =  document.getElementById('s' + SpecialOfferID);
    link.style.color               =  '#CC3333';
    link.style.textDecoration      =  'none';
}

/* hilight page arrow */
function tBPageHi(arrow) {
    var link  =  document.getElementById(arrow);
    link.style.color               =  '#FF7F00';
    link.style.textDecoration      =  'underline';
}

/* unhilight page arrow */
function tBPageLo(arrow) {
    var link  =  document.getElementById(arrow);
    link.style.color               =  '#000066';
    link.style.textDecoration      =  'none';
}

/* hilight roomtype entry */
function tBRTHi(RoomTypeID) {
    var name  =  document.getElementById('rn' + RoomTypeID);
    var link  =  document.getElementById('rl' + RoomTypeID);
    name.className  = "hitlist1_over";
    link.className  = "hitlist2_over";
}

/* unhilight roomtype entry */
function tBRTLo(RoomTypeID) {
    var name  =  document.getElementById('rn' + RoomTypeID);
    var link  =  document.getElementById('rl' + RoomTypeID);
    name.className  = "hitlist1_out";
    link.className  = "hitlist2_out";
}

function findPosX(obj){
  //from http://blog.firetree.net/2005/07/04/javascript-find-position/ by Peter-Paul Koch & Alex Tingle
  var curleft = 0;
  if(obj.offsetParent)
      while(1){
        curleft += obj.offsetLeft;
        if(!obj.offsetParent)
          break;
        obj = obj.offsetParent;
      }
  else if(obj.x)
      curleft += obj.x;
  return curleft;
}
function findPosY(obj)
{
  var curtop = 0;
  if(obj.offsetParent)
      while(1)
      {
        curtop += obj.offsetTop;
        if(!obj.offsetParent)
          break;
        obj = obj.offsetParent;
      }
  else if(obj.y)
      curtop += obj.y;
  return curtop;
}  
//end
function showLegenda(objIMG){
  var objDIV = document.getElementById("legenda");
  objDIV.style.left = (findPosX(objIMG) - 20 ) + "px";
  objDIV.style.top  = (findPosY(objIMG) - 214) + "px";
  objDIV.style.display = "block";
}

function hideLegenda(){
  document.getElementById("legenda").style.display = "none";
}

function showHotelMap(intMode, intHotelID, intLangID){
  tag_id = "div_hotelmap";
  var strInnerHTML = "<table class='content' width='490px' height='310px' cellspacing='0px' cellpadding='0px' border='0px'>" +
                       "  <tr>" +
                       "    <td valign='middle' align='center'>please wait ...</td>" +
                       "  </tr>" +
                       "</table>";
  var objMap = document.getElementById(tag_id);
  objMap.innerHTML = strInnerHTML;
  var objText = document.getElementById("div_hoteltext" + intHotelID);
  if (intMode == 1){ //hitlist
    if (isIE6()){
      objMap.style.left = (findPosX(objText) + 215) + "px";
      objMap.style.top  = (findPosY(objText) - 190) + "px";
    } else {
      objMap.style.left = (findPosX(objText) + 80) + "px";
      objMap.style.top  = (findPosY(objText) - 170) + "px";
    }
  } else if (intMode == 2){ //citypage
    if (isIE6()){
      objMap.style.left = (findPosX(objText) + 100) + "px";
      objMap.style.top  = (findPosY(objText)) + "px";
    } else {
      objMap.style.left = (findPosX(objText) + 100) + "px";
      objMap.style.top  = (findPosY(objText)) + "px";
    }
  } else {
    return 0;
  }
  objMap.style.display = "block";
  xmlHttp = GetXmlHttpObject()  
  var url = "/ajax_gethotelgeocodes.asp";
  url = url + "?sid=" + Math.random();
  url = url + "&hotelID=" + intHotelID;
  url = url + "&langID=" + intLangID;
  xmlHttp.onreadystatechange = stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
}

function hideHotelMap(){
  document.getElementById("div_hotelmap").style.display = "none";
}
function isIE6(){
  if (navigator.appName == 'Microsoft Internet Explorer'){
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null){
      var ver = parseFloat( RegExp.$1 );
      return ver == 6;
    }
  }
  return false;
}

function GetXmlHttpObject(){ 
  var objXMLHttp=null;
  if (window.XMLHttpRequest){
    objXMLHttp=new XMLHttpRequest();
  } else if (window.ActiveXObject){
    objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
  return objXMLHttp;
}

function stateChanged(){ 
  if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
    var json_data = xmlHttp.responseText;
    var result = eval("(" + json_data + ")" );
    var jHotelID = result.hotelid;
    var jMapURL = result.mapurl;
    var jIconURL = result.iconurl;
    var objMap = document.getElementById(tag_id);
    
    var strInnerHTML = "<table width='390px' height='210px' cellspacing='0px' cellpadding='0px' border='0px'>" +
                       "  <tr>" +
                       "    <td valign='middle' align='center' style='background-image: url(" + jMapURL + ")'>" +
                       "      <img width='18' height='18' border='0' src='" + jIconURL + "'/>" +
                       "    </td>" +
                       "  </tr>" +
                       "</table>"
    objMap.innerHTML = strInnerHTML;
  }
}