var timeman 	= null;
var pos 	= 1;
var layers      = 10;

function Pulldown(layer)
	{

	 HideAll();
	 clearTimeout(timeman);
	 document.getElementById("layer" + layer).style.visibility='visible';
	 }

function HideAll()
	{
	  for(i=1;i<=layers;i++)
	  {document.getElementById("layer" + i).style.visibility='hidden';}
	}


function Checkpos()
	{timeman = setTimeout("if(pos == 'bad'){HideAll();}",500);}