$(document).ready(function() {
    setUrlTop();
    $('#drpTruong').change(function() {
      setUrlTop();
      setUrlView();
    });
    var $inp = $('#txtinput');
    $inp.bind('keyup', function(e) {
        setUrlView();
    });
    $inp.bind('keydown', function(e) {
        var key = e.which;
        if (key == 13) {
            e.preventDefault();            
            $(location).attr('href',setUrlView());
        }
    });
});    
function setUrlTop()
{
    var href1 = '/news/tra-cuu-diem-thi-dh-cd-nam-2011.aspx?MaTruong={0}&top=100';
    var href2 = '/news/tra-cuu-diem-thi-dh-cd-nam-2011.aspx?MaTruong={0}&top=200';
    var href3 = '/news/tra-cuu-diem-thi-dh-cd-nam-2011.aspx?MaTruong={0}&top=300';
    var sc = $('#drpTruong option:selected').val();
    var result1 = $.format(href1, sc);
    var result2 = $.format(href2, sc);
    var result3 = $.format(href3, sc);
    $('#top100').attr('href', result1);
    $('#top200').attr('href', result2);
    $('#top300').attr('href', result3);
}
function setUrlView()
{
    var vl = $('#txtinput').val()
    if (vl != '')
    {
        var href = '/news/tra-cuu-diem-thi-dh-cd-nam-2011.aspx?MaTruong={0}&SV={1}'; 
        var sc = $('#drpTruong option:selected').val();
        var result = $.format(href, sc, settext(vl));  
        $('#xemdiem').attr('href', result);
        return result;
    }
}
function settext(inp1)
{
    return inp1.replace(' ', '+');
}