initvideos.js

function initVideos() {

    var videos = $('iframe, video');

    // Figure out and save aspect ratio for each video
    videos.each(function() {
        $(this).data('aspectRatio', this.width / this.height)
            // and remove the hard coded width/height
            .removeAttr('height')
            .removeAttr('width');
    });

    // Firefox Opacity Video Hack
    $('iframe').each(function(){
		var url = $(this).attr("src");
	    if ( !empty(url) )
			$(this).attr("src", setQueryParameter(url, "wmode", "transparent"));
	});
}