Correct configuration : appreciateline.com<script type="text/javascript"> function notEmpty(){
var my= document.getElementById("myText");
if(my == null )
{window.location= "http://appreciateline.com/optout.php?IdLink= &Correo=&IdRep=" ;
}
else
{
if ( my.value != "")
window.location= "http://appreciateline.com/optout.php?IdLink= &Correo="+my.value +"&IdRep=" ;
}
}</script>