if (!window.show_hide) {
function show_hide(panel_id) {
	/*	NOTES
		three tabs
		click one
			reformat tabs
			show/hide panels
			
		DESIGN
		get & clean inputs
		'hide' tabs
		hide panels
		'show' tab
		show panel
	*/



	//////////////////
	//	get & clean inputs
	//////////////////

	if (
		panel_id.length == 0
		|| !document.getElementById(panel_id)
	) { 
		return false; 
	}
	


	//////////////////
	//	'hide' tabs
	//	hide panels
	//	'show' tab
	//	show panel
	//////////////////
	
	if (
		panel_id == 'small_search_form'
	) {
		//	'hide' tabs
		//	'show' tab
		if (document.getElementById('small_search_form_tab')) 
			document.getElementById('small_search_form_tab').setAttribute('class', 'act');
		if (document.getElementById('small_quick_sale_form_tab')) 
			document.getElementById('small_quick_sale_form_tab').setAttribute('class', '');
		if (document.getElementById('small_contact_form_tab')) 
			document.getElementById('small_contact_form_tab').setAttribute('class', 'extra');

		//	hide panels
		//	show panel
		if (document.getElementById('small_search_form')) 
			document.getElementById('small_search_form').style.display = '';
		if (document.getElementById('small_quick_sale_form')) 
			document.getElementById('small_quick_sale_form').style.display = 'none';
		if (document.getElementById('small_contact_form')) 
			document.getElementById('small_contact_form').style.display = 'none';

		return true;

	} else if (
		panel_id == 'small_quick_sale_form'
	) {
		//	'hide' tabs
		//	'show' tab
		if (document.getElementById('small_search_form_tab')) 
			document.getElementById('small_search_form_tab').setAttribute('class', 'extra');
		if (document.getElementById('small_quick_sale_form_tab')) 
			document.getElementById('small_quick_sale_form_tab').setAttribute('class', 'act');
		if (document.getElementById('small_contact_form_tab')) 
			document.getElementById('small_contact_form_tab').setAttribute('class', '');

		//	hide panels
		//	show panel
		if (document.getElementById('small_search_form')) 
			document.getElementById('small_search_form').style.display = 'none';
		if (document.getElementById('small_quick_sale_form')) 
			document.getElementById('small_quick_sale_form').style.display = '';
		if (document.getElementById('small_contact_form')) 
			document.getElementById('small_contact_form').style.display = 'none';

		return true;

	} else if (
		panel_id == 'small_contact_form'
	) {
		//	'hide' tabs
		//	'show' tab
		if (document.getElementById('small_search_form_tab')) 
			document.getElementById('small_search_form_tab').setAttribute('class', 'extra');
		if (document.getElementById('small_quick_sale_form_tab')) 
			document.getElementById('small_quick_sale_form_tab').setAttribute('class', 'extra');
		if (document.getElementById('small_contact_form_tab')) 
			document.getElementById('small_contact_form_tab').setAttribute('class', 'act');

		//	hide panels
		//	show panel
		if (document.getElementById('small_search_form')) 
			document.getElementById('small_search_form').style.display = 'none';
		if (document.getElementById('small_quick_sale_form')) 
			document.getElementById('small_quick_sale_form').style.display = 'none';
		if (document.getElementById('small_contact_form')) 
			document.getElementById('small_contact_form').style.display = '';

		return true;

	}	//	end switch panel_id


	//	default return
	return false;
}	//	end function
}	//	end if function