function toggle(id) {
	var elem = document.getElementById(id);
		if (elem.style.display == "block") {
			elem.style.display = "none";
			//document.getElementById(id + 'bg').className='openbox';
			}
			else {
				//document.getElementById(id + 'bg').className='closebox';
				elem.style.display = "block";
			}
}