var num_menu_items = menus.length;

function show_menu(menu) {
	hide_menus();
	document.getElementById(menu+'_menu').style.display='block';
	return false;
}

function hide_menus() {
	for (var i=0;i<num_menu_items;i++) {
		document.getElementById(menus[i]+'_menu').style.display='none';
	}
	return false;
}

function pop_up_win(page,title,width,height) {
	window.open(cgi_dir+page,title,"toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=0,resizable=1,width="+width+",height="+height);
}

function check_form(form_id,cmd) {
	var errors = new Array();
	var error_list = '';
	var js_alert_begin = 'The following errors were found with your submission:' + "\n" + '-----------------------------' + "\n";
	var js_alert_end = '-----------------------------' + "\n" + 'Please fix and re-submit the form' + "\n";
	var form_ref = document.getElementById(form_id);
	if (cmd && form_ref.cmd) { form_ref.cmd.value = cmd; }

	switch (form_id) {
	case 'search_news_form' :
		if (form_ref.search_phrase.value == '' || form_ref.search_phrase.value == ' ') {
			errors.push('Please enter some search text.');
		}
		break;
	case 'search_faqs_form' :
		if ((form_ref.search_phrase.value == '' || form_ref.search_phrase.value == ' ') && form_ref.search_category.value == '') {
			errors.push('Please either choose a category OR enter some search text.');
		}
		break;
	case 'site_search_form' :
		if (form_ref.search_phrase.value == '' || form_ref.search_phrase.value == ' ') {
			errors.push('Please enter some search text.');
		}
		break;
	}
	
	var num_errors = errors.length;
	if (num_errors > 0) {
		for (var i=0;i<num_errors;i++) {
			error_list += (i+1) + '. ' + errors[i] + "\n";
		}
		alert(js_alert_begin + error_list + js_alert_end);
		return false;
	} else {
		form_ref.submit();
		return true;
	}
}
//------------- OLD
function MM_openBrWindow(theURL,winName,features) { //used on inc_maps.html
  window.open(theURL,winName,features);
}

function checkSurvey() { //used on cls_surveys.html
  var echk=eval('document.theForm.A'+document.theForm.emnum.value);
  if (echk.value.indexOf('@') > -1 && echk.value.indexOf('.') > -1) {
    return true;
  } else {
    alert('You MUST enter a valid email address.');
    return false;
  }
}