An attempt to set each iframe's width/height on the page to the width/height of it's contained document.

set-iframe-size-onload.js

$('document').ready(function() {
  $('iframe').load(function() {
		'use strict';
		var self = this;
		setTimeout(function() {
			var iframe = self, 
				w = $(iframe).width(), h = $(iframe).height(),
				docw = iframe.contentWindow.document.width,
				doch = iframe.contentWindow.document.height;

			console.log("resizing " + w + "x" + h  + " to " + docw + "x" + doch);
			(docw > w) && $(iframe).width(docw);
			(doch > h) && $(iframe).height(doch);
		}, 50);
	});
});