var thisSlider = this;
        this.filmBar = filmBar;
        var film = filmBar.firstChild;
-       if (film.nodeType == 3)
+       if (film.nodeType === 3)
                film = film.nextSibling;
        this.film = film;
        this.slider = slider;
        var slide = null;
        if (previous) {
                slide = this.selectedSlide.parentNode.previousSibling;
-               if (slide && slide.nodeType==3)
+               if (slide && slide.nodeType===3)
                        slide = slide.previousSibling;
        }
        else {
                slide = this.selectedSlide.parentNode.nextSibling;
-               if (slide && slide.nodeType==3)
+               if (slide && slide.nodeType===3)
                        slide = slide.nextSibling;
        }
        
        if (target.tagName != 'A')
                return;
        else {
-               if (this.viewMode == 'full') {
+               if (this.viewMode === 'full') {
                        this.mosaique.unload();
                        this.mosaique = null;
                        this.viewMode = 'medium';
 
                var toggleSelectionBtn = this.buttons['toggle_selection'];
                var toggleSelectionLink = toggleSelectionBtn.parentNode;
-               this.selectedSlideInSelection = (target.className=='selected');
+               this.selectedSlideInSelection = (target.className==='selected');
                if (this.selectedSlideInSelection) {
                        toggleSelectionBtn.src = portal_url() + '/unselect_flag_btn.gif';
                        toggleSelectionBtn.alt = toggleSelectionLink.title = 'Retirer de la sélection';
                                        break;
                                case 4 :
                                        hideProgressImage();
-                                       if (req.status == '200')
+                                       if (req.status === '200')
                                                thisFS.populateViewer(req);
                                        else
                                                //window.location.href = target.href;
 
                for (i in classes) {
                        name = classes[i];
-                       if (name == 'displayed')
+                       if (name === 'displayed')
                                continue;
                        else
                                newClasses.push(name);
 
 FilmSlider.prototype.toolbarClickHandler = function(evt) {
        var target = getTargetedObject(evt);
-       if(target.tagName == 'IMG' && target.getAttribute('name')){
+       if(target.tagName === 'IMG' && target.getAttribute('name')){
                switch(target.getAttribute('name')) {
                        case 'previous' :
                                disableDefault(evt);
                                disableDefault(evt);
                                disablePropagation(evt);
                                target.parentNode.blur();
-                               if (this.viewMode == 'full') {
+                               if (this.viewMode === 'full') {
                                        this.mosaique.unload();
                                        this.mosaique = null;
                                        this.viewMode = 'medium';
                                disableDefault(evt);
                                disablePropagation(evt);
                                target.blur();
-                               if (this.viewMode == 'full') {
+                               if (this.viewMode === 'full') {
                                        this.mosaique.unload();
                                        this.mosaique = null;
                                        this.viewMode = 'medium';
 
 FilmSlider.prototype.keyPressHandler = function(evt) {
        var target = getTargetedObject(evt);
-       if (target.tagName == 'INPUT' || target.tagName== 'TEXTAREA')
+       if (target.tagName === 'INPUT' || target.tagName=== 'TEXTAREA')
                return;
        var evt = getEventObject(evt);
        var charPress = String.fromCharCode((evt.keyCode) ? evt.keyCode : evt.which);
                                link.href = element.getAttribute('backToContextUrl');
                                link = this.buttons['show_buyable'].parentNode;
                                var buyable = element.getAttribute('buyable');
-                               if(buyable == 'True')
+                               if(buyable === 'True')
                                        link.className = null;
-                               else if(buyable == 'False')
+                               else if(buyable === 'False')
                                        link.className = 'hidden';
                                this.image.alt = element.getAttribute('alt');
                                this.updateBreadcrumbs(element.getAttribute('lastBcUrl'),
 
 FilmSlider.prototype.slideShowNext = function() {
        var nextSlide = this.slideShowSlide.parentNode.nextSibling;
-       if (nextSlide && nextSlide.nodeType==3)
+       if (nextSlide && nextSlide.nodeType===3)
                nextSlide = nextSlide.nextSibling;      
 
        if (nextSlide) {
        else {
                var row = this.slideShowSlide.parentNode.parentNode;
                var first = row.firstChild;
-               if (first.nodeType==3)
+               if (first.nodeType===3)
                        first = first.nextSibling;
                this.pendingSlideShowSlide = first.getElementsByTagName('a')[0];
                return this.pendingSlideShowSlide.href;
 
 FilmSlider.prototype.slideShowPrevious = function() {
        var previousSlide = this.slideShowSlide.parentNode.previousSibling;
-       if (previousSlide && previousSlide.nodeType==3)
+       if (previousSlide && previousSlide.nodeType===3)
                previousSlide = previousSlide.previousSibling;
 
        if (previousSlide) {
        else {
                var row = this.slideShowSlide.parentNode.parentNode;
                var last = row.lastChild;
-               if (last.nodeType==3)
+               if (last.nodeType===3)
                        last = last.previousSibling;
                this.pendingSlideShowSlide = last.getElementsByTagName('a')[0];
                return this.pendingSlideShowSlide.href;