var TimeToFade = 1000.0;
var initial = 0;

function get_cookie(Name) {
var search = Name + "="
var returnvalue = ""
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) {
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 setCookie(c_name,value,expiredays)
{
  var exdate=new Date();
  exdate.setDate(exdate.getDate()+expiredays);
  document.cookie=c_name+ "=" +escape(value)+
  ((expiredays==null) ? "" : ";expires="+exdate.toUTCString())+";path=/";
}

function initialize_object(){
  if(get_cookie("notdrop")!="done"){
    setCookie("notdrop","done",30);
    window.setTimeout("ticker()", 1000);
  }
}

function deinitialize_object(){
  if(get_cookie("notdrop")== "done"){
       div_off("survey_div");
  }
}

function ticker(){
    initial=initial+1;
    if (initial==5){
      fade("survey_div");
    }
    window.setTimeout("ticker()", 1000);
}


function fade(eid)
{
  var element = document.getElementById(eid);
  if(element == null)
    return;

  if(element.FadeState == null)
  {
    if(element.style.opacity == null
        || element.style.opacity == ''
        || element.style.opacity == '1')
    {
      element.FadeState = 2;
    }
    else
    {
      element.FadeState = -2;
    }
  }

  if(element.FadeState == 1 || element.FadeState == -1)
  {
    element.FadeState = element.FadeState == 1 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
  }
  else
  {
    element.FadeState = element.FadeState == 2 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade;
    setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
  }
}


function fade_off(eid)
{

  var element = document.getElementById(eid);
  if(element == null)
    return;

  if(element.FadeState == null)
  {
    if(element.style.opacity == null
        || element.style.opacity == ''
        || element.style.opacity == '1')
    {
      element.FadeState = 2;

    }
    else
    {
      element.FadeState = -2;

    }
  }

  if(element.FadeState == 1 || element.FadeState == -1)
  {
    element.FadeState = element.FadeState == 1 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
  }
  else
  {
    element.FadeState = element.FadeState == 2 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade;
    setTimeout("animateFade_off(" + new Date().getTime() + ",'" + eid + "')", 33);
    setTimeout("div_off('survey_div')", 1000);
  }

}

function div_off(eid){
   document.getElementById(eid).style.display="none";
}

function animateFade_off(lastTick, eid)
{

  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;

  var element = document.getElementById(eid);

  if(element.FadeTimeLeft <= elapsedTicks)
  {

    element.style.opacity = element.FadeState == 1 ? '1' : '0';
    element.style.filter = 'alpha(opacity = '
        + (element.FadeState == 1 ? '100' : '0') + ')';
    element.FadeState = element.FadeState == 1 ? 2 : -2;

    return;
  }

  element.FadeTimeLeft -= elapsedTicks;
  var newOpVal = element.FadeTimeLeft/TimeToFade;
  if(element.FadeState == 1)
    newOpVal = 1 - newOpVal;

  element.style.opacity = newOpVal;

  element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';

  setTimeout("animateFade(" + curTick + ",'" + eid + "')", 33);

}

function animateFade(lastTick, eid)
{
  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;

  var element = document.getElementById(eid);

  if(element.FadeTimeLeft <= elapsedTicks)
  {
    element.style.opacity = element.FadeState == 1 ? '1' : '0';
    element.style.filter = 'alpha(opacity = '
        + (element.FadeState == 1 ? '100' : '0') + ')';
    element.FadeState = element.FadeState == 1 ? 2 : -2;
    return;
  }

  element.FadeTimeLeft -= elapsedTicks;
  var newOpVal = element.FadeTimeLeft/TimeToFade;
  if(element.FadeState == 1)
    newOpVal = 1 - newOpVal;

  element.style.opacity = newOpVal;
  element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';

  setTimeout("animateFade(" + curTick + ",'" + eid + "')", 33);
}