$(document).ready(function() {            
    $('#Searchbox').keydown(function(event) {                    
        if (event.keyCode == 13) {
            search();
            return false;
        }        
    });
    
    $('#SearchLink').click(function() {
        search();
        return false;
    });
    
    function search() {
        var searchTerm = encodeURIComponent($('#Searchbox').val());
        
        if (searchTerm)
            location.href = '/Search.aspx?q=' + searchTerm;
    }
});