// TAILLE DE LA FENETRE

var FenetreL;
var FenetreH;
function FenetreTaille() {
	// IE
	if (document.all) {
		FenetreL = document.body.clientWidth;
		FenetreH = document.body.clientHeight;
	} else {
		FenetreL = window.innerWidth;
		FenetreH = window.innerHeight;
	}
}

// REPOSITIONNEMENT DES CALQUES FIXES, UNIQUEMENT SUR IE

function Positionnement() {
	document.getElementById('hautgauche').style.top = document.getElementById('hautdroite').style.top = document.getElementById('legende').style.top = document.getElementById('legendetxt').style.top = document.body.scrollTop + 'px';
	document.getElementById('hautgauche').style.left = document.getElementById('basgauche').style.left = document.getElementById('legende').style.left = document.getElementById('legendetxt').style.left = document.body.scrollLeft + 'px';
	document.getElementById('hautdroite').style.right = document.getElementById('basdroite').style.right = (0 - document.body.scrollLeft) + 'px';
	document.getElementById('basgauche').style.top = (document.body.scrollTop + document.body.clientHeight - document.getElementById('basgauche').offsetHeight) + 'px';
	document.getElementById('basdroite').style.top = (document.body.scrollTop + document.body.clientHeight - document.getElementById('basdroite').offsetHeight) + 'px';
}

// AU REDIMENSIONNEMENT DE LA FENETRE OU AU SCROLL, ON REPOSITIONNE LES ELEMENTS

window.onresize = function() {
	// IE
	if (document.all) {
		Positionnement();
	}
	FenetreTaille();
	if (ZoomOn > 0) ZoomPosition();
}
window.onscroll = function() {
	// IE
	if (document.all) {
		Positionnement();
	}
	FenetreTaille();
	if (ZoomOn > 0) ZoomPosition();
}

// APPARITION/DISPARITION DE LA LEGENDE D'UN BOULOT EN HAUT A GAUCHE

var LegendeTxt;
function Legende(Titre,Texte) {
	if (Titre != '') {
		document.getElementById('legende').innerHTML = Titre;
		LegendeTxt = Texte;
	}
}
function LegendeOff() {
	if (ZoomOn < 1) {
		document.getElementById('legende').innerHTML = document.getElementById('legendetxt').innerHTML = '';
	}
}

// APPARITION/DISPARITION DES ZOOMS D'IMAGE (LIGHTBOX) (ZoomPosition DOIT ETRE JUSTE AVANT ZoomFade SINON DECALAGE DANS IE)

var ZoomOn = 0;
var ImageOn;
var ImageId;
function Zoom(Num) {
	if ((document.getElementById('zoom').style.visibility != 'visible') || ((Num > 0) && (Num != ZoomOn))) {
		Legendes(Num);
		ImageOn = 0;
		ImageId = 'a';
		document.getElementById('imagea').innerHTML =
		document.getElementById('imageb').innerHTML = '';
		Zooms(Num);
		ZoomImage();
		document.getElementById('legendetxt').innerHTML = LegendeTxt;
		document.getElementById('zoom').style.display = 'inline';
		document.getElementById('zoom').style.visibility = 'visible';
		ZoomOn = Num;
		ZoomPosition();
		window.location.href = '#' + Url;
	} else if (!ZoomOkOk || ZoomKoKo) {
		document.getElementById('zoom').style.display = 'none';
		document.getElementById('zoom').style.visibility = 'hidden';
		ZoomOn = 0;
		LegendeOff();
		window.location.href = '#home';
	}
	ZoomOkOk = ZoomKoKo = false;
}
function ZoomImage() {
	document.getElementById('image' + ImageId).style.visibility = 'visible';
	document.getElementById('image' + ImageId).style.width = ImagesL[ImageOn] + 'px';
	document.getElementById('image' + ImageId).style.height = ImagesH[ImageOn] + 'px';
	document.getElementById('image' + ImageId).innerHTML = '<img src="images/' + Images[ImageOn] + '" style="width: ' + ImagesL[ImageOn] + 'px; height: ' + ImagesH[ImageOn] + 'px;" id="imagesrc' + ImageId + '" border="0" alt="">';
	document.getElementById('image' + ImageId).style.opacity = 0;
	document.getElementById('image' + ImageId).style.filter = 'alpha(opacity=0)'; 
	document.getElementById('loading').style.visibility = 'visible';
	document.getElementById('imagesrc' + ImageId).onload = function() {
		document.getElementById('loading').style.visibility = 'hidden';
		ZoomFade(0);
	}
	ZoomPosition();
}
function ZoomPosition() {
	document.getElementById('zoom').style.width = '100%';
	var ImageL = document.getElementById('imagesrc' + ImageId).style.width;
	ImageL = ImageL.substring(0,ImageL.indexOf('px'));
	var ImageH = document.getElementById('imagesrc' + ImageId).style.height;
	ImageH = ImageH.substring(0,ImageH.indexOf('px'));
	document.getElementById('image' + ImageId).style.left = document.getElementById('loading').style.left = document.getElementById('navfermer').style.right = Math.round((FenetreL - ImageL) / 2) + 'px';
	// IE
	if (document.all) {
		document.getElementById('zoom').style.top = document.body.scrollTop + 'px';
		document.getElementById('zoom').style.left = document.body.scrollLeft + 'px';
		document.getElementById('zoom').style.height = document.body.offsetHeight;
		document.getElementById('loading').style.top = (document.body.scrollTop + ((document.body.offsetHeight - document.getElementById('loading').offsetHeight) * 0.47) - document.body.scrollTop) + 'px';
	}
	else {
		document.getElementById('zoom').style.height = window.innerHeight;
		document.getElementById('loading').style.top = (document.body.scrollTop + ((window.innerHeight - document.getElementById('loading').offsetHeight) * 0.47) - document.body.scrollTop) + 'px';
	}
	var ImageTop = Math.round((FenetreH - ImageH) / 2.1);
	document.getElementById('image' + ImageId).style.top = ImageTop + 'px';
	document.getElementById('nav').style.top = document.getElementById('navfermer').style.top = document.getElementById('loading').style.top = (ImageTop - 20) + 'px';
	document.getElementById('image' + ImageId).style.left;
	if (Images.length > 1) {
		document.getElementById('navtxt').innerHTML = (ImageOn + 1) + ' / ' + Images.length;
		document.getElementById('navfleche1').style.visibility = document.getElementById('navfleche2').style.visibility = 'visible';
	} else {
		document.getElementById('navtxt').innerHTML = '';
		document.getElementById('navfleche1').style.visibility = document.getElementById('navfleche2').style.visibility = 'hidden';
	}
}
function ZoomFade(Boucle) {
	var Boucles = 15;
	var Opacite = (Boucle / Boucles);
	document.getElementById('image' + ImageId).style.opacity = Opacite;
	document.getElementById('image' + ImageId).style.filter = 'alpha(opacity=' + (Opacite * 100) + ')';
	var ImageOff = "a";
	if (ImageId == "a") {
		ImageOff = "b";
	}
	document.getElementById('image' + ImageOff).style.opacity = 1 - Opacite;
	document.getElementById('image' + ImageOff).style.filter = 'alpha(opacity=' + (100 - (Opacite * 100)) + ')';
	if (Opacite < 1) {
		Boucle++;
		setTimeout('ZoomFade(' + Boucle + ')',10);
	} else {
		document.getElementById('image' + ImageOff).style.visibility = 'hidden';
		//document.getElementById('image' + ImageOff).innerHTML = '';
		//alert(document.getElementById('image' + ImageOff).innerHTML);
	}
}
function ZoomSuite() {
	var ImageSuite = ImageOn + 1;
	if (ImageSuite >= Images.length) {
		ImageSuite = 0;
	}
	ZoomGo(ImageSuite);
}
function ZoomRetour() {
	var ImageSuite = ImageOn - 1;
	if (ImageSuite < 0) {
		ImageSuite = Images.length - 1;
	}
	ZoomGo(ImageSuite)
}
function ZoomGo(ImageSuite) {
	if (ImageSuite != ImageOn) {
		ImageOn = ImageSuite;
		if (ImageId != "a") {
			ImageId = "a";
			document.getElementById('imagea').style.zIndex = 1003;
		} else {
			ImageId = "b";
			document.getElementById('imagea').style.zIndex = 1001;
		}
		ZoomImage();
	}
	ZoomOk();
}
var ZoomOkOk = false;
function ZoomOk() {
	ZoomOkOk = true;
}
var ZoomKoKo = false;
function ZoomKo() {
	ZoomKoKo = true;
}

// SI ON A CHOISI UN BOULOT PAR DEFAUT (RENVOYE EN ANCRE DANS L'URL)

function ZoomDefaut() {
	var Ancre = window.location.hash.split('#')[1];
	if (Ancre && (Ancre != "home")) {
		Legendes(ZoomInverse(Ancre));
		Zoom(ZoomInverse(Ancre));
	}
}

// DEFILEMENT AUTOMATIQUE DE LA PAGE EN FONCTION DU DEPLACEMENT DE LA SOURIS

var SourisX = 0;
var SourisY = 0;
function getMousePosition(event) {
	var e = event || window.event;
	var scroll = new Array((document.documentElement && document.documentElement.scrollLeft) || window.pageXOffset || self.pageXOffset || document.body.scrollLeft,(document.documentElement && document.documentElement.scrollTop) || window.pageYOffset || self.pageYOffset || document.body.scrollTop);;
	return new Array(e.clientX + scroll[0] - document.body.clientLeft,e.clientY + scroll[1] - document.body.clientTop);
}
document.onmousemove = function(event) {
	var mousePosition = getMousePosition(event);
	SourisX = mousePosition[0] - document.body.scrollLeft;
	SourisY = mousePosition[1] - document.body.scrollTop;
}
function Boucle() {
	if (ZoomOn < 1) {
		document.body.scrollLeft += Math.round(((SourisX - (FenetreL / 2)) / FenetreL) * 10);
		document.body.scrollTop += Math.round(((SourisY - (FenetreH / 2)) / FenetreH) * 10);
	}
	setTimeout('Boucle()', 25);
}
window.onload = function() {
	FenetreTaille();
	ZoomDefaut();
	Boucle();
}

// DETECTION DU PLUGIN FLASH

var requiredMajorVersion = 9;
var requiredMinorVersion = 0;
var requiredRevision = 0;

var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion(){
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}

function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
  var str = '';
  if (isIE && isWin && !isOpera)
  {
    str += '<object ';
    for (var i in objAttrs)
    {
      str += i + '="' + objAttrs[i] + '" ';
    }
    str += '>';
    for (var i in params)
    {
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    }
    str += '</object>';
  }
  else
  {
    str += '<embed ';
    for (var i in embedAttrs)
    {
      str += i + '="' + embedAttrs[i] + '" ';
    }
    str += '> </embed>';
  }

  document.write(str);
}

function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblclick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}