function my_video(element)
{
	document.getElementById("v1").style.display = "none";
	document.getElementById("v2").style.display = "none";
	
	document.getElementById("v"+element).style.display = "block";
	
	document.getElementById("v1_l").className = "none";
	document.getElementById("v2_l").className = "none";
	
	document.getElementById("v"+element+"_l").className="active";
}

function my_video_right(element, k) {

	k=parseInt(k);
	k=eval(k+1);

	document.getElementById(element).scrollLeft = document.getElementById(element).scrollLeft+5;
	timer = setTimeout("my_video_right('"+element+"','"+k+"')", 10);

	if(k===29)
	{
		k=0;
		clearTimeout(timer);
	}
}

function my_video_left(element, k) {

	k=parseInt(k);
	k=eval(k+1);

	document.getElementById(element).scrollLeft = document.getElementById(element).scrollLeft-5;
	timer = setTimeout("my_video_left('"+element+"','"+k+"')", 10);

	if(k===29)
	{
		k=0;
		clearTimeout(timer);
	}
}