var supported = (navigator.userAgent.indexOf("Opera") == -1 && document.getElementById || document.all);

if (supported) {
	document.write("<style type='text/css'>");
	document.write(".showhide {display:none;}");
	document.write("</style>");

	var max = 200;
	var shown = new Array();
	for (i = 1; i <= max; i++) {
		shown[i+1] = false;
		}
	}

function sh(i){
if (!supported) {
	alert('This link does not work in your browser.');
	return;
	}
shown[i] = (shown[i]) ? false : true;
current = (shown[i]) ? 'block' : 'none';

if (document.getElementById) {
	document.getElementById('number'+i).style.display = current;
	} else if (document.all) {
	document.all['number'+i].style.display = current;
	}
}