function fadein(obj) {
	document.getElementById('black'+obj).style.display="block";
	document.getElementById('black'+obj).style.width=screen.width-21;
	document.getElementById('video'+obj).style.display="block";
	document.getElementById('video'+obj).style.visibility="visible";
}
function fadeout(obj) {
	document.getElementById('black'+obj).style.display="none";
	document.getElementById('video'+obj).style.display="none";
}