//common functions
function clickedOutsideElement(elemId, evt) {
  var theElem = "";
  if (window.event){
    theElem = getEventTarget(window.event);
  } else { 
    theElem = getEventTarget(evt);
  }
  while (theElem != null) {
    if (theElem.id == elemId){
      return false;
    }
    theElem = theElem.parentNode;
  }
  return true;
}

function getEventTarget(evt){
  var targ = (evt.target) ? evt.target : evt.srcElement;
  if (targ != null){
    if (targ.nodeType == 3){
      targ = targ.parentNode;
    }
  }
  return targ;
}

function getTopOffset(objElement){
  var intOffset = 0;
  while (objElement != null){
    intOffset += objElement.offsetTop;
    objElement = objElement.offsetParent;
  }
  return intOffset;
}
function getLeftOffset(objElement){
  var intOffset = 0;
  while (objElement != null && objElement.offsetParent.nodeName != "BODY"){
    intOffset += objElement.offsetLeft;
    objElement = objElement.offsetParent;
  }
  return intOffset;
}
//language menu
function showLanguageMenu(){
  hideCurrencyMenu();
  var lngBar = document.getElementById("languageBar");
  var lngMenu = document.getElementById("languagemenu");
  
  var offsetLeft = getLeftOffset(lngBar) - 15;
  var offsetTop = getTopOffset(lngBar) + lngBar.scrollHeight + 2;
      
  lngMenu.style.left = offsetLeft + "px";
  lngMenu.style.top = offsetTop + "px";
  lngMenu.style.visibility = "visible";
}
function hideLanguageMenu(){
  if (document.getElementById("languagemenu")){
    document.getElementById("languagemenu").style.visibility = "hidden";
  }
}

function hideLanguageMenuClickEvent(e){
  if (clickedOutsideElement('languagemenu', e)){
    hideLanguageMenu();
  }
}  

if (document.addEventListener){
  document.addEventListener('click',hideLanguageMenuClickEvent,false);
} else {
  document.attachEvent('onclick', hideLanguageMenuClickEvent)
}
  
//currency menu

function showCurrencyMenu(){
  hideLanguageMenu();
  var lngBar = document.getElementById("currencyBar");
  var lngMenu = document.getElementById("currencymenu");
  
  var offsetLeft = getLeftOffset(lngBar);
  var offsetTop = getTopOffset(lngBar) + lngBar.scrollHeight + 2;
      
  lngMenu.style.left = offsetLeft + "px";
  lngMenu.style.top = offsetTop + "px";
  lngMenu.style.visibility = "visible";
}
function hideCurrencyMenu(){
  if (document.getElementById("currencymenu")){
    document.getElementById("currencymenu").style.visibility = "hidden";
  }
}
function hideCurrencyMenuClick(e){
  if (clickedOutsideElement('currencymenu', e)){
    hideCurrencyMenu();
  }
}

if (document.addEventListener){
  document.addEventListener('click',hideCurrencyMenuClick,false);
} else {
  document.attachEvent('onclick', hideCurrencyMenuClick);
}

function setCurrency(value){
  var exdate=new Date();
  exdate.setDate(exdate.getDate() + 30);
  document.cookie="tbDetails=" + escape(value) + ";expires=" + exdate.toGMTString() + ";path=/;domain=tobook.com";
  window.location.reload();
}