function janela(aURL,t,nome)         
   {
   var wOpen;
   var sOptions;

   if (t==1)  {sOptions = 'status=yes,menubar=no ,scrollbars=yes,resizable=yes,toolbar=no ,location=no';}
   if (t==2)  {sOptions = 'status=yes,menubar=yes,scrollbars=yes,resizable=yes,toolbar=yes,location=yes';}
   if (t==3)  {sOptions = 'status=yes,menubar=no ,scrollbars=no,resizable=no,toolbar=no ,location=no';}
   sOptions = sOptions + ',width=' + (screen.availWidth - 10).toString();
   sOptions = sOptions + ',height=' + (screen.availHeight - 122).toString();
   sOptions = sOptions + ',screenX=0,screenY=0,left=0,top=0';

   wOpen = window.open( aURL, nome, sOptions );
   wOpen.location = aURL;
   wOpen.focus();
   wOpen.moveTo( 0, 0 );
   wOpen.resizeTo( screen.availWidth, screen.availHeight );
   return wOpen;
   }
   
function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=0'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) 
   { 
   win.window.focus(); 
   }
}

function janela_modal(url,nome,largura,altura,rolagem) 
{
if (window.showModalDialog) 
   {
   largura = largura + 10;  altura = altura + 10;
   resp = window.showModalDialog(url,nome,"dialogWidth:" + largura + "px;dialogHeight:" + altura + "px,toolbar=no,directories=no,status=no,scrollbars=" + rolagem + ",resizable=no");
   if (resp)
      {
      if (resp == 'fechar') {parent.close();}
      if (resp == 'recarregar') {self.window.location.reload();}
      }
   } 
else 
   {
   var winl = (screen.width  - largura) / 2;
   var wint = (screen.height - altura)  / 2;
   resp = window.open(url,nome,'height=' + altura + ',width=' + largura + ',top=' + wint + ',left=' + winl + ',toolbar=no,directories=no,status=no,continued from previous linemenubar=no,scrollbars=' + rolagem + ',modal=yes');
   }
}