$(document).ready(function() {
    $("#job-category").change(function(){
        //alert(this.id);
        location = 'http://questgroups.com/job-category/'+$(this).val();
    });
    
    $("#job-tag").change(function(){
        //alert(this.id);
        location = 'http://questgroups.com/job-tag/'+$(this).val();
    });
});