function roll(id, isNoOut){
 if (isNoOut) 
 {
 	document.getElementById(id+'_na').style.display = "none";
 	document.getElementById(id).style.display = "block";
 }
  else 
  {
  	
 	document.getElementById(id).style.display = "none";
 	document.getElementById(id+'_na').style.display = "block";
 	
  }
}