var ok=false;	
	
	
   
   function shown(id)
	{
		
		node="document.all.n"+id+".style.display";
		
		str="if ("+node+"=='none') {"+node+"='block'; document.all.icon"+id+".src=arr[2].src;} else {"+node+"='none'; document.all.icon"+id+".src=arr[1].src;}";
				
		eval(str);
	}