var ns6 = (!document.all && document.getElementById);
var fdDiv, fdTop, fdLeft, fdDelta,fdAnim, fdLang;
var fdDelay = 5000;

/*  ---------------------------------------------- */
function FeedbackRand(seed)
{ return Math.round(Math.random() * seed); }

/*  ---------------------------------------------- */
function Dock()
{ fdLeft = -135;
  fdDiv.style.left = fdLeft+'px';
  fdDiv.style.top = fdDelta+'px';
}

/*  ---------------------------------------------- */
function SlideIn(i)
{ fdLeft = fdLeft+1;
  clearTimeout(fdAnim);
  fdDiv.style.left = fdLeft+'px';
  if (fdLeft<0) { fdAnim = setTimeout('SlideIn('+i+')',5) }
  else
  { if (i == 1) { fdAnim = setTimeout('SlideOut()',fdDelay) } }
}

/*  ---------------------------------------------- */
function SlideOut()
{ fdLeft = fdLeft-1;
  clearTimeout(fdAnim);
  fdDiv.style.left = fdLeft+'px';
  if (fdLeft>-135) { fdAnim = setTimeout('SlideOut()',5) }
}
/* Main Feedback function ----------------------------------------------
   parameters are:
   random	true | false
   delay	time, in seconds, to stay visible
   position	left | right | top
   delta	pixels from top | pixels from left
   average	number of times for which it appears once
*/

function Feedback(fdParam)
{ ns = (!document.all && document.getElementById);
  if (fdParam.random && fdParam.random == true) { if (FeedbackRand(4) > 1) return }

  if (fdParam.delay && fdParam.delay == -1) { fdDelay = 0 }
  else if (fdParam.delay) { fdDelay = fdParam.delay * 1000 }

  fdDelta = 0; 
  if (fdParam.delta) { fdDelta = fdParam.delta }

  fdLang = 'pt';
  if (fdParam.lang) { fdLang = fdParam.lang }

  document.write('<div id="feedbackDiv" '+
		 'style="position: absolute; z-index: 99; '+
		 'font-family: Arial Narrow, Helvetica; font-size: 2px; '+ 
		 'top: '+fdDelta+'px; left: -135px; width: 150px; height: 100px; background-color: transparent; visibility: visible">'+
		 '<a href="http://www.cria.org.br/feedback/'+fdLang+'/index?'+document.domain+'+'+fdParam.image+'" target="feedback"><img src="http://www.cria.org.br/feedback/label_'+fdLang+'.gif" border="0" '+
		 'onMouseOver="SlideIn(0)" '+
		 'onMouseOut="SlideOut(0)" '+
		 '/></a>'+
		 '</div>');
  fdDiv = document.getElementById('feedbackDiv');
  Dock();
  if (fdParam.average && (FeedbackRand(fdParam.average) < 1)) { fdAnim = setTimeout('SlideIn(1)',5) }
}