$(function() {
  var cookieName = '_wheelmap_splash_seen';

  if(!$.cookie(cookieName)) {
    wwidth = $(window).width();
    left = (0.5 - 300/wwidth) * 100 + '%';

    $.blockUI({
      message: $("#splash"),
      css: {
              top: '25%',
              left: left,
              width: '600px'
           }
    });

    $("#splash .unblock-splash").click($.unblockUI)

    $('.blockOverlay').css('cursor', 'auto').click(function() {
      $.unblockUI();
      $.cookie(cookieName, true)
    });
  }

})
@@ -91,17 +91,16 @@
     
-w
 width = 
 $(wi
@@ -99,55 +99,124 @@
 h = 
-$(window).width();%0A    left = (0.5 - 300/w
+600; // splash width%0A%0A    // calculate left edge so it is centered%0A    left = (0.5 - (width / 2)/($(window).
 width
+())
 ) * 
@@ -362,12 +362,17 @@
 th: 
-'600
+width + '
 px'%0A
@@ -393,16 +393,135 @@
    %7D);%0A%0A
+    var clickHandler = function() %7B%0A      $.unblockUI();%0A      $.cookie(cookieName, true);%0A      return false;%0A    %7D;%0A%0A
     $(%22#
@@ -555,21 +555,22 @@
 ick(
-$.unblockUI)%0A
+clickHandler);
 %0A   
@@ -621,41 +621,60 @@
 ick(
-function() %7B%0A      $.unblockUI();
+clickHandler);%0A%0A    $('a.whatis').click(function() %7B
 %0A   
@@ -702,16 +702,36 @@
 e, true)
+;%0A      return true;
 %0A    %7D);
@@ -731,15 +731,16 @@
     %7D);%0A
+%0A
   %7D%0A%0A%7D)

Set cookie also if "What is.." is clicked.