function rate(scid,rate) {
  var a = new XMLHttpRequest();
  if(!a) {
    a = new ActiveXObject("Microsoft.XMLHTTP");
  }
  if(a) {
    a.open("get","rate.php?do=rate&scid="+scid+"&rate="+rate);
    a.onreadystatechange = function () {
      if(a.readyState==4) {
        document.getElementById("s"+scid).innerHTML = a.responseText;
      }
    }  
    a.send(null);
  }
  return true;
}
function image(mm,id) {
  var tid = 10;
  var ext = "";
  while(tid>id) {
    ext = (tid%2) ? "-1.png" : "-2.png";
    document.getElementById(mm+"-"+tid).src = "half-no"+ext;
    tid--;
  }        
  while(id>0) {
    ext = (id%2) ? "-1.png" : "-2.png";
    document.getElementById(mm+"-"+id).src = "half-yes"+ext;
    id--;
  }
}