fix height course header

amd/build/header.js

@@ -28,7 +28,7 @@ define(['jquery', 'core/ajax', 'core/str'],
        		
        		registerHeader:function(){
                 var heightWrapper= $("#summary-wrapper").css("height");
-                console.log(heightWrapper);
+        
                 if(parseInt(heightWrapper, 10) >= 144){
                     $("#button-collapse").click(function(){
                     if($("#summary-wrapper").hasClass('collapsed')){
@@ -41,8 +41,10 @@ define(['jquery', 'core/ajax', 'core/str'],
                     }
                     else{
 
-                        var height= $("#summary-collapse").css("height");
-                        $("#summary-wrapper").animate({ "max-height": height }, "slow" );
+                        var height= $("#summary-collapse").height();
+                        var calcHeight=height+20;
+         
+                        $("#summary-wrapper").animate({ "max-height": calcHeight+'px' }, "slow" );
                         var message=str.get_string('hideInfos', 'format_iena');
                         $.when(message).done(function(localizedEditString) {
                             $("#button-collapse").text(localizedEditString);