$(document).ready(function() {
    
    $('#portfolio form select').change(function(){
        url = '/portfolio/list/?'
        data = {    
                    segment: $('.segment option:selected').val(), 
                    client: $('.client option:selected').val() ,
                    service: $('.service option:selected').val()
                }
        if(this.name == "client__segment__id" && this.value != ""){
            window.location.href = url+"client__segment__id="+data.segment;
        }else{
            if (data.segment){
                url = url+"client__segment__id="+data.segment
            }
            if (data.client){
                url = url+"&client__id="+data.client
            }
            if (data.service){
                url = url+"&service="+data.service
            }
            window.location.href = url;
        }
        
        
        
        
      });
    
});