var box_video_name;
var box_video_file;

function vis(){
	box_video_name = document.getElementById('box_video_name');
	box_video_file = document.getElementById('box_video_file');
	
	box_video_name.style.visibility = "hidden";
	box_video_name.style.display = "none";
	
	box_video_file.style.visibility = "hidden";
	box_video_file.style.display = "none";
	
}

function help_video_name(){
	box_video_name.style.visibility = "visible";
	box_video_name.style.display = "block";
	
	box_video_file.style.visibility = "hidden";
	box_video_file.style.display = "none";	
}

function help_video_file(){
	box_video_file.style.visibility = "visible";
	box_video_file.style.display = "block";
	
	box_video_name.style.visibility = "hidden";
	box_video_name.style.display = "none";	
}

function close(){
	box_video_name.style.visibility = "hidden";
	box_video_name.style.display = "none";
	
	box_video_file.style.visibility = "hidden";
	box_video_file.style.display = "none";
}