{HForm} 
  {Head} 
    {Window}Test of Icon Tag{/Window} 
    {Private} 
      {Var name="lamp_icon[0]" value="lamp-off"} 
      {Var name="lamp_icon[1]" value="lamp-on"} 
      {Var name="lamp[0]" value="OFF"} 
      {Var name="lamp[1]" value="ON"} 
      {Var name="lamp" value=0} 
  {/Head} 
  {Body} 
     {Menu var=lamp onChange=apply}{Icon var=lamp} 
  {/Body} 
{/HForm}