// fade functions



var psw = window.innerWidth;

//var psw = pageWidth();

var phe = window.innerHeight;



function offSet() {

	

	return (psw - 760)/2;

}



//var TimeToFade = 400;

var TimeToFade = 100;



function qfade(eid) {

  var element = document.getElementById(eid);

  if(element == null)

    return;

  element.style.visibility = 'hidden';

}



function qunfade(eid)

{

  var element = document.getElementById(eid);

  if(element == null)

    return;

  element.style.visibility = 'visible';

}



function fade(eid) {

  var element = document.getElementById(eid);

  element.style.opacity = 0;

  element.style.filter = 'alpha(opacity = 0)'; 

  if(element.FadeState == null) {

    element.FadeState = 2;

  } else {

    element.FadeState = -2;

  }

  element.style.visibility = 'hidden';

}



function unfade(eid)

{

  var element = document.getElementById(eid);

  if(element == null)

    return;

  

  element.style.visibility = 'visible';

  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 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);

}