function onfilter() {
	var errors = 0;

	if (document.getElementById("filter_countries")) {
		var countries = document.getElementById("filter_countries").options;
		var country   = countries[countries.selectedIndex].value;
//		document.getElementById("browse_type").value = "country"; 
		document.getElementById("countryid").value = country;

		document.getElementById("filter_type").value = "country"; 
		document.getElementById("filter_arg").value = country; 
	} //if...

	if (document.getElementById("filter_cities")) {
		var cities = document.getElementById("filter_cities").options;
		var city   = cities[cities.selectedIndex].value;
//		document.getElementById("browse_type").value = "city"; 
		document.getElementById("cityid").value = city; 

		document.getElementById("filter_type").value = "city"; 
		document.getElementById("filter_arg").value = city; 
	} //if...

//	if (document.getElementById("filter_categories")) {
//		var categories = document.getElementById("filter_categories").options;
//		var category   = categories[categories.selectedIndex].value;
//		document.getElementById("filter_type").value = "category"; 
//		document.getElementById("filter_arg").value = category; 
//	} //if...

//	var name  = document.getElementById("name").value;
//	var email = document.getElementById("email").value;
	
//	if (name == "") errors++;
//	if (!isValidEmail(email)) errors++;
	
	if (errors > 0) alert("There are errors.");
	else document.getElementById("filter_form").submit();

} //onfilter()