function fnShowSpans(oTD, oClass, sShowId)
{
	var oAllSpans = window.document.getElementsByTagName('span');
	for(var counter = 0; counter < oAllSpans.length; counter++)
	{
		if(oAllSpans[counter].getAttribute('IsImage') == 'true')
			oAllSpans[counter].style.display = 'none';
	}

	oTD.className = oClass;
	oSpan = window.document.getElementById(sShowId);
	oSpan.style.display = 'inline';
}