jquery outerheight value changed for undefiend elements

frontend-js/src/main/js/gui/Panel.js

@@ -335,14 +335,15 @@ Panel.prototype.onresize = function () {
   var self = this;
   var footerPosition = window.innerHeight;
 
-  var footerHeight = Math.max(0, $(".minerva-logo-footer").outerHeight());
-  footerHeight = Math.max(footerHeight, $(".minerva-footer-table").outerHeight());
+  var footerHeight = Math.max(0, $(".minerva-logo-footer, .minerva-footer-table").outerHeight());
 
   footerPosition -= footerHeight;
 
   // compute the width (we can only compute it for visible elements)
   var size = 100000;
 
+  console.log(footerPosition, footerHeight);
+  console.log(footerPosition, footerHeight);
   if ($(self.getElement()).is(":visible")) {
 
     $(".pre-scrollable", self.getElement()).each(function (index, element) {
@@ -359,6 +360,7 @@ Panel.prototype.onresize = function () {
         $(element).css('height', size);
       });
     }
+    console.log(size, $(self.getElement()).hasClass("pre-scrollable"), self.getPanelName());
     if ($(self.getElement()).hasClass("pre-scrollable") && $(self.getElement()).is(":visible")) {
       $(self.getElement()).css('max-height', size);
       $(self.getElement()).css('height', size);