diff --git a/web/Controllers/BlogsController.cs b/web/Controllers/BlogsController.cs
index acb8e344..2306ce3c 100644
--- a/web/Controllers/BlogsController.cs
+++ b/web/Controllers/BlogsController.cs
@@ -145,7 +145,7 @@ namespace Yavsc.Controllers
 		/// </summary>
 		/// <returns>The comment.</returns>
 		/// <param name="cmtid">Cmtid.</param>
-		[Authorize]
+		[Authorize(Roles="Blogger")]
 		public ActionResult RemoveComment (long cmtid)
 		{
 			long postid = BlogManager.RemoveComment (cmtid);
@@ -257,7 +257,7 @@ namespace Yavsc.Controllers
 		/// Post the specified title.
 		/// </summary>
 		/// <param name="title">Title.</param>
-		[Authorize]
+		[Authorize(Roles="Blogger")]
 		public ActionResult Post (string title)
 		{
 			string un = Membership.GetUser ().UserName;
@@ -279,7 +279,7 @@ namespace Yavsc.Controllers
 		/// </summary>
 		/// <returns>The edit.</returns>
 		/// <param name="model">Model.</param>
-		[Authorize]
+		[Authorize(Roles="Blogger")]
 		public ActionResult ValidateEdit (BlogEntry model)
 		{
 			ViewData ["SiteName"] = sitename;
@@ -311,7 +311,7 @@ namespace Yavsc.Controllers
 		/// Edit the specified bill 
 		/// </summary>
 		/// <param name="id">Identifier.</param>
-		[Authorize]
+		[Authorize(Roles="Blogger")]
 		public ActionResult Edit (long postid)
 		{
 			
@@ -361,7 +361,7 @@ namespace Yavsc.Controllers
 		/// <param name="user">User.</param>
 		/// <param name="returnUrl">Return URL.</param>
 		/// <param name="confirm">If set to <c>true</c> confirm.</param>
-		[Authorize]
+		[Authorize(Roles="Blogger")]
 		public ActionResult RemoveTitle (string user, string title, string returnUrl, bool confirm = false)
 		{
 			if (returnUrl == null)
@@ -389,7 +389,7 @@ namespace Yavsc.Controllers
 		/// <param name="id">Identifier.</param>
 		/// <param name="returnUrl">Return URL.</param>
 		/// <param name="confirm">If set to <c>true</c> confirm.</param>
-		[Authorize]
+		[Authorize(Roles="Blogger")]
 		public ActionResult RemovePost (long postid, string returnUrl, bool confirm = false)
 		{
 			// ensures the access control
diff --git a/web/Controllers/GoogleController.cs b/web/Controllers/GoogleController.cs
index 1e4a1bac..b29043e6 100644
--- a/web/Controllers/GoogleController.cs
+++ b/web/Controllers/GoogleController.cs
@@ -26,6 +26,9 @@ namespace Yavsc.Controllers
 	/// </summary>
 	public class GoogleController : Controller
 	{
+		/// <summary>
+		/// Index this instance.
+		/// </summary>
 		public ActionResult Index()
 		{
 			return View ();
@@ -295,9 +298,9 @@ namespace Yavsc.Controllers
 		/// <returns>The query.</returns>
 		[Authorize]
 		[HttpGet]
-		public ActionResult DateQuery ()
+		public ActionResult Book ()
 		{
-			return View (new BookEdit ());
+			return View (new BookQuery ());
 		}
 		
 		/// <summary>
@@ -307,42 +310,41 @@ namespace Yavsc.Controllers
 		/// <param name="model">Model.</param>
 		[Authorize]
 		[HttpPost]
-		public ActionResult DateQuery (BookEdit model)
+		public ActionResult Book (BookQuery model)
 		{
 			if (ModelState.IsValid) {
-
 				DateTime mindate = DateTime.Now;
 				if (model.PreferedDate < mindate)
 					model.PreferedDate = mindate;
 				if (model.MaxDate < mindate)
 					model.MaxDate = mindate.AddYears (1).Date;
 
-				var muc = Membership.FindUsersByName (model.UserName);
+				var muc = Membership.FindUsersByName (model.Person);
 				if (muc.Count == 0) {
-					ModelState.AddModelError ("UserName", "Non existent user");
+					ModelState.AddModelError ("Person", LocalizedText.Non_existent_user);
+					return View (model);
+				}
+				if (!Roles.IsUserInRole (model.Role)) {
+					ModelState.AddModelError ("Role", LocalizedText.UserNotInThisRole);
 					return View (model);
 				}
-				ProfileBase upr = ProfileBase.Create (model.UserName);
+
+				ProfileBase upr = ProfileBase.Create (model.Person);
 
 				string calid = (string)upr.GetPropertyValue ("gcalid");
 				if (string.IsNullOrWhiteSpace (calid)) {
-					ModelState.AddModelError ("UserName", "L'utilisateur n'a pas de calendrier Google associé.");
+					ModelState.AddModelError ("Person", LocalizedText.No_calendar_for_this_user);
 					return View (model);
 				}
-
 				DateTime maxdate = model.MaxDate;
-
 				CalendarApi c = new CalendarApi ();
 				CalendarEventList res;
 				try {
-					res = c.GetCalendar (calid, mindate, maxdate, upr);
+					var events = c.GetCalendar (calid, mindate, maxdate, upr);
+
 				} catch (OtherWebException ex) {
-					ViewData ["Title"] = ex.Title;
-					ViewData ["Content"] = ex.Content;
-					return View ("GoogleErrorMessage", ex);
+					return View ("OtherWebException", ex);
 				}
-
-				return View ("ChooseADate",res);
 			}
 			return View (model);
 		}
diff --git a/web/Scripts/parallax.js b/web/Scripts/parallax.js
index 380cce2f..ba363144 100644
--- a/web/Scripts/parallax.js
+++ b/web/Scripts/parallax.js
@@ -22,13 +22,15 @@
 
 $(document).ready(function(){
 	var $window = $(window); 
-	var onPos = function (bgobj,dx,dy) {
-		x=$window.scrollLeft()+dx;
-		y=$window.scrollTop()+dy;
+	var $stwidth = $(window).width();
+	var $stheight = $(window).width();
 
+	var onPos = function (bgobj,ax,ay) {
 	  	var speed = bgobj.data('speed');
-		var xPos = bgobj.attr('orgbgpx') - Math.round( x / speed);
-		var yPos = bgobj.attr('orgbgpy') - Math.round( y / speed);
+		var dx=($window.scrollLeft()+ax-$stwidth/2)/speed;
+		var dy=($window.scrollTop()+ay-$stheight/2)/speed;
+		var xPos = bgobj.attr('orgbgpx') - Math.round( dx );
+		var yPos = bgobj.attr('orgbgpy') - Math.round( dy );
 		// Put together our final background position
 		var coords = '' + xPos + bgobj.attr('orgbgpxu') + yPos + bgobj.attr('orgbgpyu');
 		// Move the background
@@ -80,18 +82,16 @@ $(document).ready(function(){
 		});
 		var nbevo=0;
 		if (window.DeviceOrientationEvent) {
+		if ($stwidth>320 && $stheight>320) {
 		  window.addEventListener('deviceorientation', function(event) {
-		    if (nbevo++>6) {
-		  	tiltLR = event.gamma;
-		  	titleFB = event.beta;
+		  tiltLR = $stwidth*Math.sin(event.gamma*Math.PI/180);
+		  	titleFB = $stheight*Math.sin(event.beta*Math.PI/180);
 			onPos($bgobj,tiltLR,titleFB);
-			nbevo=0;
-			}
-		  },false);
+		  },false); }
 		  $(window).mousemove(function(e) {
-			tiltLR = e.pageX;
-			titleFB = e.pageY;
-			onPos($bgobj,tiltLR,titleFB);
+		  	tiltLR = e.pageX;
+		  	titleFB = e.pageY;
+			onPos($bgobj,e.pageX,e.pageY);
 			});
 		}  
 	});