Device orientation and resizing

Session.set("resize", null); 
Meteor.startup(function () {
    $(window).resize(function(evt) {
                  Session.set("resize", new Date());
    });
});
Template.homePage.resized = function(){
  var width = $(window).width();
  var height = $(window).height();
  
            doSomethingCool(width, height);
 
  return Session.get('resize');
}; 

<template name="homePage">
  <div class="panel">
    random content... 
  <div> 
  <div class=