function showHideLayers() 
{
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
  {
	   if ((obj=GetObj(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 GetObj(StrObj)
{
	var CurrentLayer=document.all.tags("div")
	for (var i=0;i<CurrentLayer.length;i++)
	{
		if (CurrentLayer[i].id==StrObj)
		{
			return (CurrentLayer[i])
		}
	}
}