var
  winW, winH;

function CalculaDimensoesJanela()
{
winW = 775;
winH = 575;
if (parseInt(navigator.appVersion)>3) {
 if (navigator.appName=="Netscape") {
  winW = window.innerWidth;
  winH = window.innerHeight;
 }
 if (navigator.appName.indexOf("Microsoft")!=-1) {
  winW = document.body.offsetWidth;
  winH = document.body.offsetHeight;
 }
}
if (winH == 0)
{ winH = 575 }

}

function exibeItem(id)
{
  obj = document.getElementById(id);
  if (obj != null)
  {
    if (obj.style.display == "block")
	  obj.style.display = "none";
    else
	  obj.style.display = "block";
  }

}

function exibeImagem(img, imgW, imgH, texto)
{
  var Larg = imgW + 48;
  var Alt = imgH + 128;
  var wnd = window.open("", "imagem", "width=" + Larg + ", height=" + Alt);
  wnd.document.write('<html><head><title>Kopf sistemas de informação</title><link href="kopf.css" rel="stylesheet" type="text/css"></head>');
  wnd.document.write('<body><div align="center" class="textocentro" id="titulo">' + texto + '<br><br>');
  wnd.document.write('<img id="img" src="' + img + '" width="' + imgW + '" height="' + imgH + '">');
  wnd.document.write('<br><br><a href="javascript:window.close()">:: Fechar ::</a></div></body></html>');
  wnd.document.close();
/*  imgSS = document.getElementById('imgScreenshot');
  if (imgSS != null) 
  {
    divSS = document.getElementById('screenshot');
    if (divSS != null)
    {
      if ((imgSS.src.indexOf(img) > -1) && (divSS.style.display == "block"))
	  {
	    divSS.style.display = "none";
	  }
	  else
	  {
  	    imgSS.src = img;
		imgSS.width = imgW;
		imgSS.height = imgH;
	   
        CalculaDimensoesJanela();
        l = winW - imgW - 8;
        t = winH - imgH - 32;
	    if (t < 4) { t = 4 }
        divSS.style.left = l + 'px';
        divSS.style.top = t + 'px';
        divSS.style.width = imgW + 'px';
        divSS.style.height = imgH + 'px';
	    divSS.style.display = 'block';
		
		textoSS = document.getElementById('textoScreenshot');
		textoSS.innerHTML = texto;/*
	  }
    } 
  } */
  wnd.focus();
}

