function toggle_search_tab(selected_li){
	//remove all tabs
	$('site_search_tab').removeClassName('current');
	$('recipe_search_tab').removeClassName('current');
	
	//add tab to selected li
	$(selected_li).addClassName('current');
	
	//change search options
	switch(selected_li){
		case 'site_search_tab':
			$('search_fulltext').name='search_fulltext';
			$('frmSearch_web').action='/search_all.php';
			break;
		case 'recipe_search_tab':
			$('search_fulltext').name='search_context_keywords';
			$('frmSearch_web').action='/search_recipe.php';
			$('search_param_1').name='search_type';
			$('search_param_1').value='andkey';
			$('search_param_2').name='search_recipes';
			$('search_param_2').value='Search';
			break;		
	}
}