$(document).ready(function(){
    $("#search_family #search_family_cat").change( function() {
        $("#search_family_scat").val(''); 
        $("#search_family").submit();
    });
    $("#search_family #search_family_scat").change( function() {
        $("#search_family").submit();
    });
	
/*     $("#search_marque #search_select_marque").change( function() {
        $("#search_marque").submit();
    }); */
});