function toggleVideo(one)
{
	if (one == "downloads_default")
	{
		
		document.getElementById("top_gear").style.display = "none";
		document.getElementById("eric_dyno").style.display = "none";
		document.getElementById("mopoc_comp1").style.display = "none";
		document.getElementById("downloads_default").style.display = "";
		
	}
	else if (one == "top_gear")
	{
		
		document.getElementById("downloads_default").style.display = "none";
		document.getElementById("eric_dyno").style.display = "none";
		document.getElementById("mopoc_comp1").style.display = "none";
		document.getElementById("top_gear").style.display = "";
	}
	else if (one == "eric_dyno")
	{
		document.getElementById("downloads_default").style.display = "none";
		document.getElementById("top_gear").style.display = "none";
		document.getElementById("mopoc_comp1").style.display = "none";
		document.getElementById("eric_dyno").style.display = "";
	}
	else if (one == "mopoc_comp1")
	{
		document.getElementById("downloads_default").style.display = "none";
		document.getElementById("top_gear").style.display = "none";		
		document.getElementById("eric_dyno").style.display = "none";
		document.getElementById("mopoc_comp1").style.display = "";
	}
}