function toggle_simple_advanced_search(evt){
  var browser=navigator.appName;
  if (browser != "Microsoft Internet Explorer"){
	evt.preventDefault();
  }
  var more_link_container = "#search_button_container .more_link_container";
  var less_link_container = "#search_button_container .less_link_container";
  var hidden_class = "hidden_link";
  var advanced_search_selector = "#advanced_search";
  toggle_links(more_link_container,less_link_container,hidden_class);
  return false;
}

function handle_submit(evt){
  var advanced_search_selector = "#advanced_search";
  var hidden_class = "hidden_link";
  var select_boxes_selector = "#posts_filtering_form select";
  var input_boxes_selector = "#posts_filtering_form input:text";
  if (jQuery(advanced_search_selector).hasClass(hidden_class)){
    //jQuery(advanced_search_selector).html("");
    select_boxes_selector = "#posts_filtering_form #simple_search select";
    input_boxes_selector = "#posts_filtering_form #simple_search input:text";
  }
  var value_selected = false;
  var sel_boxes = jQuery(select_boxes_selector);
  var cnt = sel_boxes.length;
  var i = 0;
  for (i = 0; i<cnt; i++){
    if (jQuery(sel_boxes[i]).val() != ""){
      value_selected = true;
    }
  }
  var text_boxes = jQuery(input_boxes_selector);
  var cnt = text_boxes.length;
  var i = 0;
  for (i = 0; i<cnt; i++){
    if ((jQuery(text_boxes[i]).val() != "")){
      value_selected = true;
    }
  }
  //alert(value_selected);
  if (!value_selected){
    alert("You must select at least one of the search criteria");
    var browser=navigator.appName;
	if (browser != "Microsoft Internet Explorer"){
		evt.preventDefault();
	}
    return false;
  }else{
    if (jQuery(advanced_search_selector).hasClass(hidden_class)){
      jQuery(advanced_search_selector).html("");
    }
  }
}

function handle_country_change(){
	var cur_country = jQuery("#posts_filtering_form select[name='country_name']").val();
	if (cur_country == 'usa'){
		jQuery("#posts_filtering_form input[name='zip']").removeAttr('disabled');
		jQuery("#posts_filtering_form input[name='radius']").removeAttr('disabled');
	}else{
		jQuery("#posts_filtering_form input[name='zip']").attr('disabled','disabled');
		jQuery("#posts_filtering_form input[name='radius']").attr('disabled','disabled');
	}
}

function toggle_links(link1_selector,link2_selector,class_name){
	jQuery(link1_selector).toggleClass(class_name);
	jQuery(link2_selector).toggleClass(class_name);
	jQuery("#advanced_search").toggleClass(class_name);
}