menu_status = new Array();
function showHide(theid){
	if (document.getElementById){
		var switch_id = document.getElementById(theid);
		if(menu_status[theid] != 'show'){
			switch_id.className = 'show';
			menu_status[theid] = 'show';
		}else{
			switch_id.className = 'hide';
			menu_status[theid] = 'hide';
		}
	}
}