diff --git a/src/coffee/app.coffee b/src/coffee/app.coffee
new file mode 100644
index 0000000..8e74441
--- /dev/null
+++ b/src/coffee/app.coffee
@@ -0,0 +1,91 @@
+###
+Rangitaki Project
+
+The MIT License
+
+Copyright 2015 mmk2410.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+###
+
+main = () ->
+
+  # FAB
+  fabActive = false
+  $('.fabmenu').click ->
+    if !fabActive
+      fabFadeIn()
+      fabActive = true
+    else
+      fabFadeOut()
+      fabActive = false
+
+  # Navigation Drawer
+  navOpen = false
+  $('.nav-img, .overlay, .nav-close').click ->
+    if !navOpen
+      openNav()
+      navOpen = true
+    else
+      closeNav()
+      navOpen = false
+
+  ###
+  Keyhandling for the navigation drawer.
+  opens the drawer on 'm' (key code: 77)
+  closes the drawer on 'Esc' (key code: 27)
+  ###
+  $(document).keyup (e) ->
+    if navOpen and e.which is 27
+      closeNav()
+      navOpen = false
+    else if !navOpen and e.which == 77
+      openNav()
+      navOpen = true
+
+  # Make every link in articles target="_blank"
+  $('.articletext a').attr 'target', '_blank'
+
+$(document).ready main
+
+goBack = () ->
+  history.go -1
+
+fabFadeIn = () ->
+  $('.subfab').fadeIn 125
+  $('.fab-img').fadeOut 60, ->
+    $('.fab-img').attr "src", "./res/img/close.svg"
+    $('.fab-img').fadeIn 60
+
+fabFadeOut = () ->
+  $('.subfab').fadeOut 125
+  $('.fab-img').fadeOut 60, ->
+    $('.fab-img').attr "src", "./res/img/share.svg"
+    $('.fab-img').fadeIn 60
+
+openNav = () ->
+  $('.nav').animate {"left": "0px"}, 125
+  $('.overlay').show()
+  $('.overlay').animate {"opacity": "0.4"}, 125
+
+closeNav = () ->
+  $('.nav').animate {"left": "-301px"}, 125
+  $('.overlay').animate {"opacity": "0.0"}, 125, ->
+    $('.overlay').hide
+