function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function showVids(player,app,opaqueBg) {
	document.getElementById(player).style.display = "block";
	document.getElementById(app).style.display = "block";
	document.getElementById(opaqueBg).style.display = "block";
}

function hideVids(player,app,opaqueBg){
	document.getElementById(player).style.display = "none";
	document.getElementById(app).style.display = "none";
	document.getElementById(opaqueBg).style.display = "none";
}