$(document).ready(function(){
    $("#id_country_selector").change(onSelectChange);
    $("#id_industry_selector").change(onSelectChange);
    $("#id_product_category_selector").change(onSelectChange);
    $("#id_manufacturer_selector").change(onSelectChange);
});

function onSelectChange(){
    //TODO: Move filter definitions server-side.  
    var selected_country = $("#id_country_selector option:selected");
    var selected_industry = $("#id_industry_selector option:selected");   
    var selected_product_category = $("#id_product_category_selector option:selected"); 
    var selected_manufacturer = $("#id_manufacturer_selector option:selected");   
    $("#objects-list").load(window.location + "?ajax&country=" + 
        escape(selected_country.text()) + "&industry=" +
        escape(selected_industry.text()) + "&product_category=" +
        escape(selected_product_category.text()) + "&manufacturer=" +
        escape(selected_manufacturer.text())
    );
}