application.js

function ie8hack() {
  $(window).unload(function(){
    ie8unload();
  });
  $(function(){
    ie8load();
  })
}


function ie8load() {    
    var today = new Date();
    var now = today.getUTCSeconds();
    var name = 'refresh';
    if($.cookie(name) !== null) {
      var cookieArray = $.cookie(name).split(';');
      var time = cookieArray[0];
      var loc = cookieArray[1];
      	if(loc == escape(window.location) && Math.abs(now - time) < 5 ) {
      	  var oldY = document.documentElement.clientHeight;
          var oldX = document.documentElement.clientWidth;
          window.resizeTo(oldX, oldY);
          var padX = oldX - document.documentElement.clientWidth;
          var padY = oldY - document.documentElement.clientHeight;
          window.resizeTo(oldX + padX, oldY + padY);
      	}
      $.cookie(name, null);
    }
}

function ie8unload() {
  var today = new Date();
  var now = today.getUTCSeconds();
  $.cookie('refresh', now + ';' + escape(window.location))
}

index.haml

/[if IE 8]
  = javascript_tag("ie8hack();")