function AbrirJanela(Url, Width, Height, ToolBar, MenuBar)
{
	var janela = window.open(Url, "_blank", 'menubar=' + MenuBar + ',toolbar=' + ToolBar + ',scrollbars=yes,status=yes,width=' + Width + ',height=' + Height + ',top=0,left=0');

  if(janela == null) 
  {
    alert("FOI BLOQUEADO!"); 
  }
}