var ns6 = (!document.all && document.getElementById);
var crDiv, copyT, copyL, copyDir;
var winW, winH;
var copyW = 10;
var copyH = 267;
var copyDelay = 5000;
var copyMode = 'copyright';
var copyLang = 'pt';

/*  ---------------------------------------------- */
function CopyReset()
{ crDiv.style.visibility = 'hidden'; crDiv.style.top = 0; crDiv.style.left = 0; return }

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

/* Main Copyright function ---------------------------------------------- */
function Copyright(copyParam)
{ if (copyParam.random && copyParam.random == true) { if (CopyRand(4) > 1) return }

  if (copyParam.mode && (copyParam.mode == 'copyright' || copyParam.mode == 'copyleft' || copyParam.mode == 'nocopy')) { copyMode = copyParam.mode }

  if (copyParam.delay && copyParam.delay == -1) { copyDelay = 0 }
  else if (copyParam.delay) { copyDelay = copyParam.delay * 1000 }

  if (copyParam.lang && (copyParam.lang == 'pt' || copyParam.lang == 'en')) { copyLang = copyParam.lang }

  ns = (!document.all && document.getElementById);

  winW = document.body.clientWidth;
  winH = document.body.clientHeight;
//  winW = ns ? window.innerWidth : document.body.clientWidth;
//  winH = ns ? window.innerHeight : document.body.clientHeight;
//  opac = ns ? '-moz-opacity: 0.7; ' : 'filter: progid:DXImageTransform.Microsoft.Alpha(opacity=70); ';
  opac = '';

  copyT = 0;
  copyL = winW-copyW;

  msg = copyLang == 'pt' ? 'Site criado e mantido pelo Centro de Referência em Informação Ambiental, Campinas, Brasil.' :
			   'Site created and maintained by the Reference Center on Environmental Information, Campinas, Brazil';

  top.document.write('<div id="copyrightDiv" style="position: absolute; z-index: 99;'+
		 'font-family: Arial, Helvetica; font-size: 11px; '+ opac +
		 'top: '+copyT+'px; left: '+copyL+'px; width: '+copyW+'px; height: '+copyH+
		 'px; background-color: transparent; visibility: visible">'+
		 '<img src="http://www.cria.org.br/copy/cria_'+copyMode+'.gif" title="'+msg+'">'+
		 '</div>');
  crDiv = document.getElementById('copyrightDiv');
  if (copyDelay != 0) setTimeout("CopyReset()",copyDelay);
}