var keepAssistant= false;
oldAssistant= false;

var keepFavourites= false;
oldFavourites= false;

function paypal_alert()
{
alert("You are now being redirected to PayPal. Please note: an account is not required with paypal. Look for the Don't have a PayPal account? option.");
}

function showhideAssistant(){

fade('assistant');

}

function showhideFavourites(){

fade('favourites');

}

var TimeToFade = 1000.0;
function fade(eid)
{
  var element = document.getElementById(eid);
element.style.display='';
  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 closeDialog(eid) {
  var element = document.getElementById(eid);
element.style.display='none';

}

function runFade(eid) {
  var element = document.getElementById(eid);
element.style.display='block';
setTimeout("fade('" + eid + "')", 1000.0);
}



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;
if(element.FadeState== -2)
{
element.style.display='none';
clearTimeout(t);
if(eid=="assistant")
{
if(keepAssistant== false)
{
document.getElementById(oldAssistant).style.display='none';
showAssistant('default');
}
}

if(eid=="favourites")
{
if(keepFavourites== false)
{
document.getElementById(oldFavourites).style.display='none';
showFavourites('default');
}
}


}else if(element.FadeState== 2)
{
t= setTimeout("fade('" + eid + "')", 30000.0);
}
    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 showAssistant(assistantID)
{

document.getElementById(assistantID).style.display='';
oldAssistant= assistantID;
}

function showFavourites(assistantID)
{

document.getElementById(assistantID).style.display='';
oldFavourites= assistantID;
}


var timerlen = 40;
var slideAniLen = 1000;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();



function slidedown(objname){

        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display != "none")
                return; // cannot slide down something that is already visible

        moving[objname] = true;
        dir[objname] = "down";

        startslide(objname);


}

function slideup(objname){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display == "none")
                return; // cannot slide up something that is already hidden
var secondobj2 = objname+"a";
var secondobj = document.getElementById(secondobj2);
              secondobj.style.display = "none";
        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname);
}

function startslide(objname){
        obj[objname] = document.getElementById(objname);

        endHeight[objname] = parseInt(obj[objname].style.height);
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
        }
        obj[objname].style.display = "block";

        timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){
        var elapsed = (new Date()).getTime() - startTime[objname];

        if (elapsed > slideAniLen)
                endSlide(objname)
        else {
                var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                if(dir[objname] == "up")
                        d = endHeight[objname] - d;

                obj[objname].style.height = d + "px";
        }

        return;
}

function endSlide(objname){
        clearInterval(timerID[objname]);

        if(dir[objname] == "up")
{
                obj[objname].style.display = "none";


}

        obj[objname].style.height = endHeight[objname] + "px";
if(obj[objname].style.display !== "none")
{
var secondobj2 = objname+"a";
var secondobj = document.getElementById(secondobj2);
              secondobj.style.display = "";
}

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endHeight[objname]);

        delete(obj[objname]);
        delete(dir[objname]);

        return;
}

function toggleSlide(objname){
  if(document.getElementById(objname).style.display == "none"){
    // div is hidden, so let's slide down
    slidedown(objname);
  }else{
    // div is not hidden, so slide up
    slideup(objname);
  }
}

function update_timestamp(objvalue)
{
document.getElementById("timestamp").value= objvalue;
}