https://www.naturalhealthmag.com.au/sites/all/themes/anh/js/responsiveDfpAds.js

1(function($){
2	$.fn.responsiveAd = function(options) { 
3
4	  var opts = $.extend({
5		screenSize: 'all'          
6	  },options);
7
8	  this.placeAds = function(screenSize) {
9
10		var obj = this;
11
12		var deviceSize = '';
13		if (Modernizr.mq('only screen and (min-width:1024px)')==true) {
14		  deviceSize = 'desktop';
15		}             
16		else if (Modernizr.mq('only screen and (min-width:768px) and (max-width: 1024px)')==true) {
17		  deviceSize = 'tablet';
18		}       
19		else if (Modernizr.mq('only screen and (min-width:320px) and (max-width: 480px)')==true) {
20		  deviceSize = 'mobile';
21		}
22
23		var placeAd = false;
24		if (opts.screenSize.search('all') != '-1') {
25		  placeAd = true;
26		}
27		else if (screenSize.search(deviceSize) != '-1') {
28		  placeAd = true;
29		}
30
31		if (placeAd == true) {
32		  script = document.createElement("script");
33		  script.type  = "text/javascript";
34		  script.text = 'googletag.cmd.push(function() { googletag.display("'+obj.attr('id')+'"); });';
35		  
36		  id = obj.attr('id');
37		  
38		  // Added by David: 11/02/2015
39		  // Check that the block exists first
40		  if (document.getElementById(id) !== null) {
41			document.getElementById(id).appendChild(script);
42		  }
43		}
44			  
45	  }        
46	  
47	  return this.placeAds(opts.screenSize);
48	};
49})(jQuery);