<video id="video_play_3" preload="true"><source id="3" src="video.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"' /><source id="3" src="video.webm" type='video/webm; codecs="vp8, vorbis"' /><source id="3" src="video.ogv" type='video/ogg; codecs="theora, vorbis"' /></video>function fadeInImg_1(){
$('#img_1').fadeIn('slow');
}$(document).scroll(function(){
if ($(this).scrollTop() >= 0 && $(this).scrollTop() < 1140){
fadeInImg_1();
}
});