diff --git a/inc/catc.php b/inc/catc.php
index d07597e..a5c5fa8 100644
--- a/inc/catc.php
+++ b/inc/catc.php
@@ -133,6 +133,7 @@ class CATC extends Main
 	}
 	
 	public function setNote($iCourseId, $asOps) {
+		if(is_string($asOps)) $asOps = json_decode($asOps, true);
 		$oNote = new Note($this->oDb, $this->oAuth->getUserId(), $iCourseId);
 		$sError = $oNote->setNote($asOps);
 		$bSuccess = ($sError=='');
diff --git a/masks/course.html b/masks/course.html
index ef45d41..ddc5120 100644
--- a/masks/course.html
+++ b/masks/course.html
@@ -84,8 +84,8 @@ oCATC.pageInit = function(asHash, bFirstPage) {
 	loadDocs();
 };
 
-oCATC.onQuitPage = function() {
-	return save(true);
+oCATC.onQuitPage = function(sExitMode) {
+	return save(true, (sExitMode==self.consts.exitmodes.closing));
 };
 
 function loadDocs() {
@@ -133,12 +133,16 @@ function noteFeedback(sType, sMsg) {
 	}
 };
 
-function save(bForce) {
+function save(bForce, bOnUnload) {
+	bForce = bForce || false;
+	bOnUnload = bOnUnload || false;
+	if(bOnUnload) bForce = true;
+	
 	if(typeof oSaveTimer != 'undefined') clearTimeout(oSaveTimer);
 	var bSave = (oEditor.keystrokes % 20 == 0 || bForce);
 
 	if(bSave) {
-		if(self.tmp('saving')) {
+		if(self.tmp('saving') && !bOnUnload) {
 			oSaveTimer = setTimeout(function(){save(true);}, 500);
 		}
 		else {
@@ -146,22 +150,24 @@ function save(bForce) {
 			if(self.tmp('id_course') != 0) {
 				self.tmp('saving', true);
 				noteFeedback('info', 'Saving...');
-				getInfo(
+				Tools.ajax(
 					'set_note', 
-					function(sDesc, asData) {
-						noteFeedback('notice', 'Note saved ('+asData.led_time+')');
+					function(asData) {
 						self.tmp('saving', false);
+						var sMsg = 'Note saved ('+asData.led_time+')';
+						noteFeedback('notice', sMsg) || oCATC.feedback('success', sMsg);
 					},
-					{
-						id: self.tmp('id_course'),
-						content: sContent
-					},
+					{id: self.tmp('id_course'), content: sContent},
 					function(sError) {
-						noteFeedback('error', 'Not saved! An error occured: '+sError);
+						var sMsg = 'Not saved! An error occured: '+sError;
+						noteFeedback('error', sMsg) || oCATC.feedback('error', sMsg);;
 						self.tmp('saving', false);
 						oSaveTimer = setTimeout(save, 1000);
 					},
-					'POST'
+					false,
+					'POST',
+					'json',
+					bOnUnload
 				);
 			}
 			else noteFeedback('error', 'No Course ID');
diff --git a/readme.md b/readme.md
index 8c5d61a..a58c6b8 100644
--- a/readme.md
+++ b/readme.md
@@ -8,4 +8,4 @@ Prise de notes pour les cours du Collège des Arts Thérapeutiques Chinois
 * [ ] Quick view of muscles / nerves schemas
 * [x] Dictionary
 * [x] Progress bar
-* [ ] Save note on F5/quit
\ No newline at end of file
+* [x] Save note on F5/quit
\ No newline at end of file
diff --git a/scripts/catc.js b/scripts/catc.js
index 22afe9b..5d66246 100644
--- a/scripts/catc.js
+++ b/scripts/catc.js
@@ -5,6 +5,7 @@ function CATC(asGlobals)
 	this.consts.hash_sep = '-';
 	this.consts.default_page = 'workshops';
 	this.consts.title = 'CATC';
+	this.consts.exitmodes = {same_page:'SP', new_page:'NP', closing:'LE'};
 	this.consts.root = location.protocol+'//'+location.host+location.pathname;
 	
 	this.init = function()
@@ -22,6 +23,9 @@ function CATC(asGlobals)
 		//on window resize
 		$(window).resize(self.onResize).resize();
 		
+		//on Quit / F5
+		$(window).on('unload', function(){self.onQuitPage(self.consts.exitmodes.closing);});
+		
 		//Hash management
 		self.resetTmpFunctions();
 		$(window)
@@ -34,23 +38,6 @@ function CATC(asGlobals)
 		$.each(asVars, function(sKey, oValue){self.vars(sKey, oValue)});
 	};
 	
-	/* Scrollbar */
-	
-	/*this.scrollbar = function(sPos)
-	{
-		var $Cv = $('#main');
-		if(!self.vars('mobile'))
-		{
-			if(typeof self.vars('scrollbar') === 'undefined')
-			{
-				$Cv.tinyscrollbar({axis:'y', thumbSizeMin:'20', thumbSize:'20'});
-				self.vars('scrollbar', $Cv.data("plugin_tinyscrollbar"));
-			}
-			else self.vars('scrollbar').update(sPos);
-		}
-		else $Cv.unbind("tinyscrollbar");
-	}*/
-	
 	/* Menu */
 	
 	this.initMenu = function()
@@ -181,24 +168,11 @@ function CATC(asGlobals)
 		);
 	};
 	
-	this.setSideElemVisibility =  function() {
-		if(self.elem.$Side) {
-			var iHeight = 0;
-			var iMaxHeight = self.elem.$Side.height();
-			self.elem.$Side.children().each(function(){
-				$(this).toggle(iMaxHeight - iHeight > 0);
-				iHeight += $(this).outerHeight(true);
-			});
-		}
-	};
-	
 	/* Events */
 	
 	this.onResize = function()
 	{
 		self.vars('mobile', $('body').css('min-width')=='120px');
-		self.setSideElemVisibility();
-		//self.scrollbar();
 	};
 	
 	this.onHashChange = function()
@@ -211,7 +185,7 @@ function CATC(asGlobals)
 	{
 		self.pageInit = function(asHash, bFirstPage){console.log('no init for the page: '+asHash.page)};
 		self.onSamePageMove = function(asHash){return false};
-		self.onQuitPage = function(){return true};
+		self.onQuitPage = function(sExitMode){return true};
 		self.onFeedback = function(sType, sMsg){Tools.feedback(sType, sMsg);};
 	};
 	
@@ -251,21 +225,6 @@ function CATC(asGlobals)
 		if(bReboot) location.reload();
 	};
 	
-	this.getVars = function(fOnSuccess)
-	{
-		fOnSuccess = fOnSuccess || function(){};
-		getInfo
-		(
-			'vars', 
-			function(asData)
-			{
-				self.updateVars(asData.vars);
-				fOnSuccess();
-			},
-			{}
-		);
-	};
-	
 	/* Page Switching */
 	
 	this.loadHome = function(asData) {
@@ -316,7 +275,7 @@ function CATC(asGlobals)
 		else
 		{
 			var bSamePage = (sCurrPage == sNextPage);
-			if(self.onQuitPage(bSamePage) && !bSamePage || self.onSamePageMove(asHash))
+			if(self.onQuitPage(self.consts.exitmodes[bSamePage?'same_page':'new_page']) && !bSamePage || self.onSamePageMove(asHash))
 			{
 				//Delete tmp variables
 				self.vars('tmp', {});
@@ -340,7 +299,6 @@ function CATC(asGlobals)
 					self.elem.$Main = self.elem.$Container.find('#main');
 					
 					self.elem.$Menu = self.elem.$Container.find('#menu');
-					self.elem.$Side = self.elem.$Container.find('#side');
 					if(self.vars.log_in) self.initMenu();
 					
 					self.splash(self.elem.$Main, $Dom, asHash, bFirstPage); //first page
diff --git a/scripts/common.js b/scripts/common.js
index b19048a..c59ff34 100644
--- a/scripts/common.js
+++ b/scripts/common.js
@@ -8,10 +8,11 @@ var Tools = {
 		return asForm;
 	},
 	
-	ajax: function(sAction, fOnSuccess, oData, fOnFail, $Loader, sType, sDataType)
+	ajax: function(sAction, fOnSuccess, oData, fOnFail, $Loader, sType, sDataType, bBeacon)
 	{
 		sType = sType || 'GET';
 		sDataType = sDataType || 'json';
+		bBeacon = bBeacon || false;
 		oData = oData || {};
 		var asData = {};
 		
@@ -19,6 +20,7 @@ var Tools = {
 			asData = this.serialize(oData);
 		}
 		else asData = oData;
+		asData['a'] = sAction;
 		
 		if($Loader)
 		{
@@ -30,32 +32,40 @@ var Tools = {
 				.html($('<img>', {'class':'onlyimg', src: Config.paths.dir.theme_image+"ajax.svg"}));
 		}
 		
-		asData['a'] = sAction;		
-		return $.ajax({
-				url: oCATC.consts.context.process_page,
-				type: sType,
-				data: asData,
-				dataType: sDataType
-			})
-			.done(function(oData) {
-				if(oData.result==oCATC.consts.error) {
-					if(!fOnFail) Tools.feedback('error', oData.desc);
-					else fOnFail(oData.desc);
-				}
-				else fOnSuccess(oData.data, oData.desc);
-				
-				if($Loader) {
-					$Loader
-						.removeClass()
-						.addClass($Loader.data('load_class'))
-						.html($Loader.data('load_html'));
-				}
-			})
-			.fail(function(jqXHR, textStatus, errorThrown) {
-				if(!fOnFail) Tools.feedback('error', textStatus+' '+errorThrown);
-				else fOnFail(textStatus);
-			}
-		);
+		if(bBeacon) {
+			var oFD = new FormData();
+			$.each(asData, function(sKey, sValue){
+				if($.type(sValue) != 'string') sValue = JSON.stringify(sValue);
+				oFD.append(sKey, sValue);
+			});
+			return navigator.sendBeacon(oCATC.consts.context.process_page, oFD);
+		}
+		else {
+			return $.ajax({
+					url: oCATC.consts.context.process_page,
+					type: sType,
+					data: asData,
+					dataType: sDataType
+				})
+				.done(function(oData) {
+					if(oData.result==oCATC.consts.error) {
+						if(!fOnFail) Tools.feedback('error', oData.desc);
+						else fOnFail(oData.desc);
+					}
+					else fOnSuccess(oData.data, oData.desc);
+
+					if($Loader) {
+						$Loader
+							.removeClass()
+							.addClass($Loader.data('load_class'))
+							.html($Loader.data('load_html'));
+					}
+				})
+				.fail(function(jqXHR, textStatus, errorThrown) {
+					if(!fOnFail) Tools.feedback('error', textStatus+' '+errorThrown);
+					else fOnFail(textStatus);
+				});
+		}
 	},
 	
 	getIcon: function(sIcon, bFull){
@@ -118,42 +128,6 @@ function addInput(form, name, type, value)
 	document.forms[form].appendChild(registerInput);
 }
 
-function getInfo(action, fOnSuccess, vars, fOnError, sType/*, bProcessIcon*/)
-{
-	if(!vars) vars = {};
-	sType = sType || 'GET';
-	//bProcessIcon = bProcessIcon || false;
-	//if(bProcessIcon) self.addBufferIcon();
-	
-	vars['a'] = action;		
-	$.ajax(
-		{
-			url: oCATC.consts.context.process_page,
-			type:sType,
-			data: vars,
-			dataType: 'json'
-		})
-		.done(function(oData)
-		{
-			if(oData.result==oCATC.consts.error)
-			{
-				if(!fOnError) console.log(oData.desc);
-				else fOnError(oData.desc);
-			}
-			else
-			{
-				//if(bProcessIcon) self.resetIcon();
-				fOnSuccess(oData.desc, oData.data);
-			}
-		})
-		.fail(function(jqXHR, textStatus, errorThrown)
-		{
-			//if(bProcessIcon) self.resetIcon();
-			if(!fOnError) console.log(textStatus+' '+errorThrown);
-			else fOnError(textStatus);
-		});
-}
-
 function addPunctuation(sMsg)
 {
 	var asPunctuations = ['?', '!', '.', ',', ':', ';', '-', '/'];