a few updates

lib/assets/javascripts/attentive.js.coffee

@@ -109,8 +109,6 @@ class this.Attentive
     @_slidesViewer ||= document.querySelector(@identifier)
 
   start: ->
-    @bodyClassList().add('loading')
-
     if !this.isFile()
       window.addEventListener('popstate', @handlePopState, false)
 
@@ -118,8 +116,21 @@ class this.Attentive
     document.addEventListener('keydown', @handleKeyDown, false)
     window.addEventListener('resize', _.throttle(@calculate, 500), false)
 
+    imageWait = null
+    imageWait = =>
+      wait = false
+
+      for slide in @allSlides()
+        for img in slide.dom.getElementsByTagName('img')
+          wait = true if !img.complete
+
+      if wait
+        setTimeout(imageWait, 100)
+      else
         this.advanceTo(this.slideFromLocation())
 
+    imageWait()
+
   slideFromLocation: ->
     value = if this.isFile()
       location.hash
@@ -197,4 +208,5 @@ class this.Attentive
       @bodyClassList().remove('loading')
 
       @initialRender = false
-
+      @currentWindowHeight = null
+      this.calculate()

lib/assets/stylesheets/attentive.css.scss

@@ -33,8 +33,8 @@ body, html {
 }
 
 body.loading {
-  #slides-container {
-    opacity: 0;
+  .slide {
+    opacity: 0 !important;
   }
 }
 

views/layout.haml

@@ -6,6 +6,6 @@
     %link{:rel => 'stylesheet', :href => 'assets/application.css', :type => 'text/css'}/
     %style{:type => 'text/css'}= Pygments.css
     = haml :"_header"
-  %body
+  %body.loading
     = yield