var ns = (document.layers);
var ie = (document.all);
var mz = (!document.all && document.getElementById);

function getBrowser(){
  return navigator.appName + navigator.appVersion;
}
function changeCssClass(theID, theClass){
  document.getElementById(theID).className=theClass;
}
function searchFlightsFormSubmit(){
  document.flightsSearch.submit();
}
function closeLayers(){
  if((document.getElementById("idFrameAirlines")) && (document.getElementById("idFrameAirlines").style.display=='block')){
      document.getElementById("idFrameAirlines").style.display='none';
  }
  if((document.getElementById("idFrameCityDeparture")) && (document.getElementById("idFrameCityDeparture").style.display=='block')){
      document.getElementById("idFrameCityDeparture").style.display='none';
  }
  if((document.getElementById("idFrameCityArrival")) && (document.getElementById("idFrameCityArrival").style.display=='block')){
      document.getElementById("idFrameCityArrival").style.display='none';
  }
  if((document.getElementById("idCalendarFrame")) && (document.getElementById("idCalendarFrame").style.display=='inline')){
      document.getElementById("idCalendarFrame").style.display='none';
  }
}
function showFrameAirlines(idPosition){
  var theFrame=window.frames["idFrameAirlines"];
  if((theFrame.name)!="idFrameAirlines"){
     alert(no_aerolineas);
     return;
  }
  var frameIsLoaded = theFrame.frameIsLoaded;
  if((frameIsLoaded==null) || (frameIsLoaded==false)){
     alert(no_aerolineas);
     return;
  }
  theFrame.showTheAirlinesFrame(document.getElementById(idPosition), 1);
}

function showFrameCityDeparture(idPosition)
{
  var theFrame = window.frames.idFrameCityDeparture;
  var frameIsLoaded = theFrame.frameIsLoaded;
  if((frameIsLoaded == null) || (frameIsLoaded == false))
  {
     alert(no_city_orig);
     return;
  }
  
  theFrame.idFrame = "idFrameCityDeparture";
  theFrame.showTheFrame(document.getElementById(idPosition), "idFrameCityDeparture", "departureCity");
}

function showFrameCityArrival(idPosition)
{
  var theFrame = window.frames.idFrameCityArrival;
  var frameIsLoaded = theFrame.frameIsLoaded;
  if((frameIsLoaded == null) || (frameIsLoaded == false))
  {
     alert(no_city_dest);
     return;
  }
  
  theFrame.idFrame = "idFrameCityArrival";
  theFrame.showTheFrame(document.getElementById(idPosition), "idFrameCityArrival", "arrivalCity");
}

function showFrameCity(idPosition, fldDest)
{
	var theFrame = window.frames["idFrameCity"];
	var frameIsLoaded = theFrame.frameIsLoaded;
	
	if(theFrame.name != "idFrameCity")
	{
		alert(no_city_dest);
		return;
	}
	
	if(frameIsLoaded == null || frameIsLoaded == false)
	{
		alert(no_city_dest);
		return;
	}
	
	//theFrame.showFrameCity(idPosition, fldDest);
	theFrame.idFrame = "idFrameCity";
	theFrame.showTheFrame(document.getElementById(idPosition), "idFrameCity", fldDest);
}

function showFrameCalendar(idPosition, dMin, dMax, campo, frame, isExt){
  var theFrame=window.frames["idCalendarFrame"];
  
  
  	if ((document.flightsSearch) && (document.flightsSearch.depDate.value=='Je suis flexible' && campo!='depDate')){
  		alert("Si vous cliquez sur le bouton Rechercher, le 'chercheur de prix' vous montrera les dates de retour disponibles.");
  		return;
	}

  if((theFrame.name)!="idCalendarFrame"){
     alert(no_calendario);
     return;
  }
  var frameIsLoaded = theFrame.frameIsLoaded;
  if((frameIsLoaded==null) || (frameIsLoaded==false)){
     alert(no_calendario);
     return;
  }
  
  theFrame.showTheCalendarFrame(document.getElementById(idPosition), dMin, dMax, campo, frame);
}
function openPopUp(url, name, userprops) {
  props = 'resizable=no,scrollbars=yes,menubar=no,toolbar=no,directories=no,location=no,status=no,top=100,left=100,screenX=100,screenY=100,' + userprops;
  var w = window.open(url, name, props);
}
function makeHomePage(){
  if(ie){
     document.body.style.behavior='url(#default#homepage)';
     document.body.setHomePage(document.location.href);
  }else if(mz){
  }
}
function addToBookmarks(){
  if(ie){
     window.external.AddFavorite(document.location.href,'eDreams');
  }else if(mz){
  }
}
function closeAlertBox(elem) {
  if(document.getElementById(elem)){
     document.getElementById(elem).style.display = 'none';
  }
  if(document.getElementById(elem + 'Shim')){
     document.getElementById(elem + 'Shim').style.display = 'none';
  }
}
function showAlertBox(elem, obj, ofy){
  if((document.getElementById(elem)) && (document.getElementById(elem + 'Shim')) && (document.getElementById(obj))){
      aBox = document.getElementById(elem);
      aShim = document.getElementById(elem + 'Shim');  //workaround: msie div over select
      var sheight = aShim.style.height.substring(0, (aShim.style.height.length - 2));
      if(isNaN(sheight)){
         sheight = 150;
      }
      if(isNaN(ofy)) ofy = 35;  //default value for y-offset
      aBox.style.top = findOffsetTop(document.getElementById(obj)) - ofy - sheight + 'px';
      aBox.style.left = findOffsetLeft(document.getElementById(obj)) + 'px';
      aShim.style.top = findOffsetTop(document.getElementById(obj)) - ofy - sheight + 2 + 'px';
      aShim.style.left = findOffsetLeft(document.getElementById(obj)) + 2 + 'px';
      aShim.style.zIndex = aBox.style.zIndex - 1;
      aBox.style.display = 'inline';
      if(_sbShowBGIframe()){
         aShim.style.display = 'inline';
      }
  }
}
function showDynAlertBox(elem, obj, posX, posY, posZ){
  if((document.getElementById(elem)) && (document.getElementById(elem + 'Shim')) && (document.getElementById(obj))){
      var aBox = document.getElementById(elem);
      var aShim = document.getElementById(elem + 'Shim');  //workaround: msie div over select
      aBox.style.top = findOffsetTop(document.getElementById(obj)) + posY/1 + 'px';
      aBox.style.left = findOffsetLeft(document.getElementById(obj)) + posX/1 + 'px';
      aShim.style.top = findOffsetTop(document.getElementById(obj)) + posY/1 + 'px';
      aShim.style.left = findOffsetLeft(document.getElementById(obj)) + posX/1 + 'px';
      aBox.style.display = 'inline';
      if(_sbShowBGIframe()){
         aShim.style.display = 'inline';
      }
  }
}
function findOffsetLeft(element){
  return findOffset(element, "offsetLeft");
}
function findOffsetTop(element){
  return findOffset(element, "offsetTop");
}
function findOffset(element, type){
  var os = 0;
  while(element) {
     os += element[type];
     element = element.offsetParent;
  }
  return os;
}
function _sbShowBGIframe(){
  return ( window.opera ) ? false : true;
}
function openHelpWindow(url) {
  props = 'width=500,height=530,resizable=no,scrollbars=yes,menubar=no,toolbar=no,directories=no,location=no,status=no,top=100,left=100,screenX=100,screenY=100';
  var w = window.open(url, 'help', props);
}

function submitFormLoadSwoosh(){
  document.getElementById('edreamsScreen').style.display="none";
  document.getElementById('waitScreen').style.display="block";
  document.getElementById('waitScreen').style.visibility="visible";
  window.scrollTo(1,1);
  return true;
}

function cssChangeStyleDisplay(inDiv, inValue){
	document.getElementById(inDiv).style.display=inValue;
}