var timerID = 0;
var tStart  = null;
var msRefresh = 1000;
var startTimeObject = new Object();
var minutesTotal = 0;
var msTotal = 0;
var alertString = '';

function initTimer() {
  startTimeObject = document.getElementById ?
	document.getElementById("started") : document.all.started;
  donateBlock = document.getElementById ?
	document.getElementById("donate") : document.all.donate;
  hideBlock = document.getElementById ?
	document.getElementById("pleaseconsider") : document.all.pleaseconsider;
  thanksBlock = document.getElementById ?
	document.getElementById("kindpeople") : document.all.kindpeople;

  var args = getArguments();
  minutesTotal = (args.minutes) ? parseFloat(args.minutes) : get_cookie('minutes');
  //minutesTotal = get_cookie('minutes');
  if (minutesTotal.length <= 0){
    minutesTotal = 1; //set minutes
  } else {
    document.adjustTimer.minutes.value = minutesTotal;
  }
  msTotal = (60000 * minutesTotal);
  alertString ='Hurry, your results are waiting! Fill in the box to find out what\'s available.';
  resetTimer();
  goTimer();
}

function setMinutes() {
  minutesTotal = document.adjustTimer.minutes.value;
  document.cookie = "minutes=" + minutesTotal;
  msTotal = (60000 * minutesTotal);
  alertString = 'Time expired - Enroll Now!';
  resetTimer();
  goTimer();
}

function getArguments() {
  var args = new Object();
  window.location.search.replace(
    new RegExp( "([^?=&]+)(=([^&]*))?","g"), function($0,$1,$2,$3){
      args[$1] = $3;
    }
  );
  return args;
}

function get_cookie(cookieName) {
  var search = cookieName + '=';
  var returnvalue = '';
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search);
    if (offset != -1) { // if cookie exists
      offset += search.length
      end = document.cookie.indexOf(';', offset);
      if (end == -1) end = document.cookie.length;
      returnvalue=unescape(document.cookie.substring(offset,end));
    }
  }
  return returnvalue;
}

function UpdateTimer() {
   if (timerID) clearTimeout(timerID);
   if (!tStart) {
     tStart = new Date();
     startTimeObject.innerHTML = 'started at: ' + tStart; 
   }
   var tDate = new Date();				//get time now
   var tDiff = tDate.getTime() - tStart.getTime();	//ms since start
   var tLeft = (msTotal - tDiff) / 1000;		//secs remaining
   if (tLeft <= 0) {
     if (document.adjustTimer.alertme.checked) {
       alert(alertString);
     }
     document.theTimer.countdown.value = '00:00';
    } else {
     var theMins = Math.floor(tLeft / 60);
     var theSecs = Math.floor(tLeft % 60);
     if (theMins < 10) theMins = '0' + theMins;
     if (theSecs < 10) theSecs = '0' + theSecs;
     document.theTimer.countdown.value = theMins + ':' + theSecs;
   //  document.title = theMins + ':' + theSecs;
   
     timerID = setTimeout("UpdateTimer()", msRefresh);
  }
}

function goTimer() {
   if (!tStart) {
     tStart = new Date();
     startTimeObject.innerHTML = 'started at: ' + tStart; 
   }
   timerID  = setTimeout("UpdateTimer()", msRefresh);
}

function resetTimer() {
   if (timerID) clearTimeout(timerID);
   tStart = null;
   document.adjustTimer.minutes.value = minutesTotal;
   goTimer();
}

function cleanExit() {
   if(timerID) { clearTimeout(timerID); timerID  = 0; }
}

function hideDonate() {
  donateBlock.style.display = 'none';
  hideBlock.style.display = 'block';
}

function showDonate() {
  donateBlock.style.display = 'block';
  hideBlock.style.display = 'none';
}

function hideThanks() {
  thanksBlock.style.display = 'none';
}
function showThanks() {
  thanksBlock.style.display = 'block';
}