function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//popup window
function NewWindow(mypage, myname, w, h, scroll) {
  var winl = (screen.width - w) / 2;
  var wint = (screen.height - h) / 2;
  winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
  win = window.open(mypage, myname, winprops)
  if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}
  function createRequestObject(){
    if (window.XMLHttpRequest)
      req = new XMLHttpRequest();
    else
      req = new ActiveXObject("Microsoft.XMLHTTP");
    return req;
  }
  var req;
  function getSelectedVote(){
    var vote = document.pollForm.vote;
    var voteVal = -1;
    var index = 0;
    do{
      if(vote[index++].checked){
        voteVal = index;
        break;
      }
    }while(vote[index] != null);
    return voteVal;
  }
  function updateResults(id){
    var index = getSelectedVote();
    if (index != -1){
      req = createRequestObject();
      req.open('get', '/poll/updateResults.php?id=' + id + '&vote='+index);
      req.onreadystatechange = displayResults(id);
      req.send(null);
    }
    else {
      alert('Select an option before submitting your vote');
    }
  }
  function displayResults(id){
    NewWindow('/poll/pollResults.php?id=' + id,'Poll Results','550','550','yes');
  }