bullet_on = new Image();
bullet_on.src = "/images/bullet_hl.gif";
bullet_off = new Image();
bullet_off.src = "/images/bullet.gif";
bullet_blue_on = new Image();
bullet_blue_on.src = "/images/bullet_blue_hl.gif";
bullet_blue_off = new Image();
bullet_blue_off.src = "/images/bullet_blue.gif";

function bulletOn(id,color){
//  alert("images/bullet_"+color+"_hl.gif");
  if (color) document.getElementById('bullet'+id).src = "/images/bullet_"+color+"_hl.gif";
  else document.getElementById('bullet'+id).src = "/images/bullet_hl.gif";
}

function bulletOff(id,color){
  if (color) document.getElementById('bullet'+id).src = "/images/bullet_"+color+".gif";
  else document.getElementById('bullet'+id).src = "/images/bullet.gif";
}