// DOM Ready
$(document).ready( function(){
   $('a.grade_pdf').attr('href', 'getfile.php');
});


function changeOption( combo )
{
    if( !combo ) return;

    var index = combo.options[combo.selectedIndex].value;

    if( !index ) return;

    document.location.href = 'concursos.php?r=' + index;
}