jQuery Set Selected Option Using Next

Answer 1

And if you want to specify select's ID:

$("#nextPageLink").click(function(){
  $('#myselect option:selected').next('option').attr('selected', 'selected');
  $("#myselect").change();
});

If you click on item with id "nextPageLink", next option will be selected and onChange() event will be called. It may look like this:

$("#myselect").change(function(){
  $('#myDivId').load(window.location.pathname,{myvalue:$("select#myselect").val()});
});

OnChange() event uses Ajax to load something into specified div.

window.location.pathname = actual address

OnChange() event is defined because it allowes you to change value not only using netx/prev button, but directly using standard selection. If value is changed, page does somethig automatically.