var curShow = '0';
	function getShowHide(im) {
		ob = document.getElementById('answer'+im);
		if (curShow == im) {
			ob.style.display = 'none';
			curShow = '0';
		} else {
			ob.style.display = 'block';
			if (curShow != '0'){
				ob = document.getElementById('answer'+curShow);
				ob.style.display = 'none';
			}
			curShow = im;
		}
		return false;
	}