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



if (supported)

	{

	document.write("<STYLE TYPE='text/css'>");

	document.write(".para {display: none}");

	document.write("</STYLE>");



	var max = 10;

	var shown = new Array();

	for (i=1;i<=max;i++)

		{

		shown[i+1] = false;

		}



	}



function blocking(i)

	{

	if (!supported)

		{

		alert('Some script on this page will 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;

		}

	}