Index: lams_central/web/includes/javascript/authoring/authoringActivity.js
===================================================================
diff -u -r127e2b2c6cd0b7942d00f122281c2c12ba3e6ebe -r92d06af13f4a1e095dfcca4a2ce2219ab0974ed7
--- lams_central/web/includes/javascript/authoring/authoringActivity.js	(.../authoringActivity.js)	(revision 127e2b2c6cd0b7942d00f122281c2c12ba3e6ebe)
+++ lams_central/web/includes/javascript/authoring/authoringActivity.js	(.../authoringActivity.js)	(revision 92d06af13f4a1e095dfcca4a2ce2219ab0974ed7)
@@ -1421,6 +1421,7 @@
 				'width' :  Math.max(380, Math.min(1024, $(window).width() - 60)),
 				'draggable' : true,
 				'resizable' : true,
+				'startMaximized' : true,
 				'title' : activity.title + ' ' + LABELS.ACTIVITY_DIALOG_TITLE_SUFFIX,
 				'beforeClose' : function(event){
 					// ask the user if he really wants to exit before saving his work
Index: lams_central/web/includes/javascript/dialog.js
===================================================================
diff -u -rc8e1115744689476d888e67ebabba590468517ac -r92d06af13f4a1e095dfcca4a2ce2219ab0974ed7
--- lams_central/web/includes/javascript/dialog.js	(.../dialog.js)	(revision c8e1115744689476d888e67ebabba590468517ac)
+++ lams_central/web/includes/javascript/dialog.js	(.../dialog.js)	(revision 92d06af13f4a1e095dfcca4a2ce2219ab0974ed7)
@@ -61,6 +61,7 @@
 		'modal'    : false,
 		'draggable' : true,
 		'resizable' : extraButtons == true,
+		'startMaximized' : false,
 		'beforeClose' : function(){
 			$('iframe', this).attr('src', null);
 		},
@@ -193,12 +194,11 @@
 	}
 	
 	if (extraButtons) {
-		$('.dialogMaximise', dialog).click(function(){
+		var maximizeButton = $('.dialogMaximise', dialog).click(function(){
 			var icon = $('i', this),
 				wasMaxed = icon.hasClass('fa-clone'),
 				internalDialog = $('.modal-dialog', dialog),
-				internalContent = $('.modal-content', dialog),
-				positionTarget = initParams.modal ? internalDialog : dialog;
+				internalContent = $('.modal-content', dialog);
 			icon.toggleClass('fa-plus').toggleClass('fa-clone');
 			if (wasMaxed) {
 				// restore dialog
@@ -255,6 +255,10 @@
 			internalContent.trigger('resizestop');
 		});
 		
+		if (initParams.startMaximized) {
+			maximizeButton.click();
+		}
+		
 	    $('.dialogMinimise', dialog).click(function() {
 	        if (dialog.hasClass('dialogMin')) {
 	        	restoreMinimisedDialog(dialog);