function hideShow(sId)
{
	var arrAllIds = new Array("ans1", "ans2", "ans3", "ans4","ans5");

	var k=arrAllIds.length;

	for(i=0; i<k;i++)
	{
		if(document.getElementById(arrAllIds[i]))
		{
			if(arrAllIds[i] == sId)
			{
				document.getElementById(arrAllIds[i]).style.display = "";
			}
			else
			{
				document.getElementById(arrAllIds[i]).style.display = "none";
			}
		}
	}
}

function newHideShow(sId, sFlg)
{
	if(sFlg == 'sub')
		var arrAllIds = new Array("sub1", "sub2", "sub3", "sub4", "sub5", "sub6", "sub7","sub8");
	else
		var arrAllIds = new Array("main1", "main2", "main3", "main4");

	var k=arrAllIds.length;

	for(i=0; i<k;i++)
	{
		if(document.getElementById(arrAllIds[i]))
		{
			if(arrAllIds[i] == sId)
			{
				document.getElementById(arrAllIds[i]).style.display = "";
			}
			else
			{
				document.getElementById(arrAllIds[i]).style.display = "none";
			}
		}
	}


	if(sFlg == 'main')
	{
		if(sId == 'main4')
		{
			document.getElementById('main5').style.display = "";
		}
		else
		{
			document.getElementById('main5').style.display = "none";
		}
	}
}