/* poll script */
function renderPoll(id) {
  var h=[];
  if (id===null || id===undefined || id==='') {
    id = getCookie('Sanquin_Poll');
  }
  if (poll.pollId == id) {
    h=renderGrafic(h);
  } else {
    h=renderQuestion(h);
  }
  document.write(h.join(''));
}
function renderQuestion(h) {
  var i = h.length;
  h[i++] = '<form action="/sanquin-nl/poll.nsf/poll.do" method="POST" name="frmPoll" onsubmit="doOnSubmitPoll()">';
  h[i++] = '<div class="sqn-poll">';
  h[i++] = '<div class="sqn-poll-question">';
  h[i++] = poll.question;
  h[i++] = '</div>';
  h[i++] = '<div class="sqn-poll-answers">';
  poll.id = 0;
  for (var n in poll.answers) {
    if (poll.answers.hasOwnProperty(n)) {
      poll.id++;
      h[i++] = '<div class="sqn-poll-answer">';
      h[i++] = '<input type="radio" name="poll" value="' + poll.answers[n].q + '" id="poll_'+ poll.id+'">';
      h[i++] = '<label for="poll_' + poll.id + '" class="sqn-poll-answer-label">';
      h[i++] = poll.answers[n].q;
      h[i++] = '</label>';
      h[i++] = '</div>';
    }
  }
  h[i++] = '</div>';
  h[i++] = '</div>';
  h[i++] = '<input type="hidden" name="redirect" value="'+document.location+'">';
  h[i++] = '<input type="submit" value="Stem!" class="sqn-poll-button">';
  h[i++] = '</form>';
  
  return h;
}
function renderGrafic(h) {
  var i=h.length;
  h[h.length] = 'grafic not ready yet';
  h[i++] = '<div class="sqn-poll">';
  h[i++] = '<div class="sqn-poll-question">';
  h[i++] = poll.question;
  h[i++] = '</div>';
  h[i++] = '<div class="sqn-poll-grafic">';
  poll.id = 0;
  h[i++] = '<table cellspacing="0" cellpadding="0" border="0">';
  for (var n in poll.answers) {
    if (poll.answers.hasOwnProperty(n)) {
      var p = Math.round(100 * poll.answers[n].c / poll.total, 0);
      h[i++] = '<tr>';
      h[i++] = '<td class="sqn-poll-answer-text">';
      h[i++] = poll.answers[n].q + ": ";
      h[i++] = '</td>';
      h[i++] = '<td class="sqn-poll-answer-graph">';
      h[i++] = '<span style="background-color: '+poll.color[poll.id]+'; border: 1px outset '+poll.color[poll.id]+'"><img src="/icons/ecblank.gif" height="10" width="'+p+'" alt="'+p+'%"></span>&nbsp;';
      h[i++] = Math.round(100 * poll.answers[n].c / poll.total, 0) + "%";
      h[i++] = '</td>';
      h[i++] = '</tr>';
      poll.id++;
    }
  }
  h[i++] = '</table>';
  h[i++] = '<div class="sqn-poll-answer"><br>';
  h[i++] = 'Aantal responses: ' + poll.total;
  h[i++] = '</div>';  
  h[i++] = '</div>';  
  h[i++] = '</div>';
  return h;
}
function doOnSubmitPoll() {
  setCookie('Sanquin_Poll', poll.pollId);
}
function setCookie(c_name,value,expiredays) {
  debugger;
  var exdate=new Date();exdate.setDate(exdate.getDate()+expiredays);
  document.cookie=c_name+ '=' +escape(value)+((expiredays==null) ? '' : ';expires='+exdate.toGMTString());
}
function getCookie(c_name) {
  debugger; 
  if (document.cookie) {
    var i = document.cookie.indexOf(c_name);
    if (i==-1) {
      return '';
    } else {
      var cB = document.cookie.indexOf('=', i) +1;
      var cE = document.cookie.indexOf(';', cB);
      if (cE==-1) {
        cE = document.cookie.length;
      }
      return document.cookie.substring(cB, cE);
    }
  } else {
    return '';
  }
}