function populateModel( brand_id, secondary, model_id ) {
	$.getJSON("/default/index/get-models", { brand_id: brand_id, isAjaxCall: "1" }, function (jData) {
		if ( jData.length > 0 ) {
			 var options = '<option value="0">selecteaza modelul</option>';
		      for (var i = 0; i < jData.length; i++) {
		    	  	options += '<option value="' + jData[i].id_model + '" ';
				if ( jData[i].id_model == model_id ) {
					options += ' selected="selected"';
				}
		          options += '>' + jData[i].name + '</option>';
		      }
		      $("#" + secondary).html(options);
		} else {
			var options = '<option value="0">-------------</option>';
			$("#" + secondary).html(options);
		}
		});
}

function populateDropDown( primary, secondary ) {
	var valueForPopulate = $("#" + primary).val();
	$("#" + secondary).attr("disabled",false);
	$("#" + secondary).attr("class",false);
	populateModel( valueForPopulate, secondary, 0 );
}