Something

on*:TEXT:!Av-On:#:{ 
  if ($nick ishop $chan) || ($nick isop $chan) { 
    msg $chan The Auto Voice Script Has Been Enabled For $chan. 
    set %avs true 
  }  
  else { 
    notice $nick Hey!, You Must Be At Least A Half-Op To Turn This Script On/Off. 
  } 
} 
on*:TEXT:!Av-Off:#:{ 
  if ($nick ishop $chan) || ($nick isop $chan) { 
    msg $chan The Auto Voice Script Has Been Disabled For $chan. 
    set %avs false 
  }  
  else { 
    notice $nick Hey!, You Must Be At Least A Half-Op To Turn This Script On/Off. 
  } 
}