function voteDown(art_id, type)
{
  vote(art_id, -1, type);
  return false;
}

function voteEqual(art_id, type)
{
  vote(art_id, 0, type);
  return false;
}

function voteUp(art_id, type)
{
  vote(art_id, 1, type);
  return false;
}

function vote(art_id, vote, type)
{
  var uri = "/ajaxvote" + (type != null && type != "" ? "_" + type: "") + "/" + art_id + "/" + vote;
  ajax(uri, answer, art_id, vote, null);
  //answer(art_id, vote, null);
}

function nullanswer(nop, nop2, nop3) {}

function answer(art_id, vote, nop)
{
  var imgUp = document.getElementById('votingimageup-'+ art_id);
  var imgDown = document.getElementById('votingimagedown-'+ art_id);
  var linkvoteUp = document.getElementById('linkvoteup-'+ art_id);
  var linkvoteDown = document.getElementById('linkvotedown-'+ art_id);
  var voteupcount = document.getElementById('voteupcount-' + art_id);
  var votedowncount = document.getElementById('votedowncount-' + art_id);

  var upcount = parseInt(voteupcount.innerHTML);
  var downcount = parseInt(votedowncount.innerHTML);

  var oldvote = 42;
  if(imgUp.src.indexOf("images/up22.png") != -1 &&
    imgDown.src.indexOf("images/down22.png") != -1)
  {
    oldvote = 0;
  }
  else if(imgUp.src.indexOf("images/up22.png") != -1)
  {
    oldvote = 1;
    upcount = upcount - 1;
  }
  else if(imgDown.src.indexOf("images/down22.png") != -1)
  {
    oldvote = -1;
    downcount = downcount - 1;
  }

  //Notify UI that the vote was done
  var nbvotes = document.getElementById('votingnumber-'+ art_id);
  nbvotes.innerHTML = parseInt(nbvotes.innerHTML) + vote - oldvote;


  if(vote == -1)
  {
    imgUp.src=imgUp.src.substring(0, imgUp.src.lastIndexOf('/')) + "/up22-0.png";
    imgDown.src=imgDown.src.substring(0, imgDown.src.lastIndexOf('/')) + "/down22.png";
    linkvoteUp.insertBefore(imgUp, null);
    linkvoteUp.style.display='inline';
    imgUp.title=i18n_promotethissolution;
    linkvoteDown.parentNode.insertBefore(imgDown, linkvoteDown);
    linkvoteDown.style.display='none';
    imgDown.title=i18n_demoted;
    downcount = downcount + 1;
  }
  else if(vote == 0)
  {
    imgUp.src=imgUp.src.substring(0, imgUp.src.lastIndexOf('/')) + "/up22-0.png";
    imgDown.src=imgDown.src.substring(0, imgDown.src.lastIndexOf('/')) + "/down22-0.png";
    linkvoteUp.insertBefore(imgUp, null);
    linkvoteUp.style.display='inline';
    imgUp.title=i18n_promotethissolution;
    linkvoteDown.insertBefore(imgDown, null);
    linkvoteDown.style.display='inline';
    imgDown.title=i18n_demotethissolution;
    equalcount = equalcount + 1;
  }
  else if(vote == 1)
  {
    imgUp.src=imgUp.src.substring(0, imgUp.src.lastIndexOf('/')) + "/up22.png";
    imgDown.src=imgDown.src.substring(0, imgDown.src.lastIndexOf('/')) + "/down22-0.png";
    linkvoteUp.parentNode.insertBefore(imgUp, linkvoteUp);
    linkvoteUp.style.display='none';
    imgUp.title=i18n_promoted;
    linkvoteDown.insertBefore(imgDown, null);
    linkvoteDown.style.display='inline';
    imgDown.title=i18n_demotethissolution;
    upcount = upcount + 1;
  }

  voteupcount.innerHTML = upcount;
  votedowncount.innerHTML = downcount;
}

function approvalVoteUp(art_id)
{
  ajax("/ajaxapprovalvote/" + art_id + "/1/", approvalvote_answer, art_id, null);

}

function markAsInvalidIdea(art_id)
{
  ajax("/ajaxmark_as_invalid/" + art_id + "/", disableApprovalBoxOptions, art_id, null);

}

function markAsAlreadyImplemented(art_id)
{
  ajax("/ajaxmark_as_already_implemented/" + art_id + "/", disableApprovalBoxOptions, art_id, null);

}

function disableApprovalBoxOptions(art_id)
{
  var imgUp = document.getElementById('imageapprovalvoteup-'+ art_id);
  var linkvoteUp = document.getElementById('linkapprovalvoteup-'+ art_id);
  var imgnotanidea = document.getElementById('imagenotanidea-'+ art_id);
  var linknotanidea = document.getElementById('linknotanidea-'+ art_id);
  var imgalreadyimp = document.getElementById('imagealreadyimp-'+ art_id);
  var linkalreadyimp = document.getElementById('linkalreadyimp-'+ art_id);


  imgUp.src=imgUp.src.substring(0, imgUp.src.lastIndexOf('/')) + "/up22-0.png";
  imgnotanidea.src=imgnotanidea.src.substring(0, imgnotanidea.src.lastIndexOf('/')) + "/closed-0.png";
  imgalreadyimp.src=imgalreadyimp.src.substring(0, imgalreadyimp.src.lastIndexOf('/')) + "/alreadyimplemented-0.png";

  linkvoteUp.parentNode.insertBefore(imgUp, linkvoteUp);
  linknotanidea.parentNode.insertBefore(imgnotanidea, linknotanidea);
  linkalreadyimp.parentNode.insertBefore(imgalreadyimp, linkalreadyimp);

}

function approvalvote_answer(art_id)
{
  var nbvotes = document.getElementById('approvalvotingnumber-'+ art_id);

  disableApprovalBoxOptions(art_id);

  nbvotes.innerHTML = parseInt(nbvotes.innerHTML) + 1;
}


function togglebookmark(art_id, preimage)
{
  ajax("/ajaxtogglebookmark/" + art_id + "/", togglebookmark_answer, art_id, null,  preimage);
}

function togglebookmark_answer(art_id, nop, preimage)
{
  //Notify UI that the vote was done
  var imgBookmark = document.getElementById('bookmarkimg-'+ art_id);
  if(imgBookmark.src.indexOf(preimage + 'On.png') != -1)
  {
      imgBookmark.src = imgBookmark.src.substring(0, imgBookmark.src.lastIndexOf('/')) + '/' + preimage + 'Off.png';
      imgBookmark.title = i18n_bookmark;
  }
  else if(imgBookmark.src.indexOf(preimage + 'Off.png') != -1)
  {
      imgBookmark.src = imgBookmark.src.substring(0, imgBookmark.src.lastIndexOf('/')) + '/' + preimage + 'On.png';
      imgBookmark.title = i18n_unbookmark;
  }
}