var arrContentIds = Array();
	arrContentIds['reserve'] = 'oDivReserve';
	arrContentIds['payment'] = 'oDivPayment';
	arrContentIds['content'] = 'oDivContent';
	function changeContent(sContent)
	{
		try
		{
			for (var content in arrContentIds)
			{
				document.getElementById(arrContentIds[content]).style.display = 'none';
			}
			document.getElementById(arrContentIds[sContent]).style.display = 'block';
		}
		catch(ex)
		{
			alert("error on changeContent FUNCTION: "+ex.description)
		}
	}