	'progress=false',
						'history=false',
						'transition=none',
						'autoSlide=0',
						'backgroundTransition=none'
					].join( '&' );

					var urlSeparator = /\?/.test(data.url) ? '&' : '?';
					var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
					var currentURL = data.url + urlSeparator + params + '&postMessageEvents=true' + hash;
					var upcomingURL = data.url + urlSeparator + params + '&controls=false' + hash;

					currentSlide = document.createElement( 'iframe' );
					current