function showSummaryNewsSection(itemNo,on)
{
	var itemObj;
	itemObj = "abstract" + itemNo;
	if(on)
	{
		document.all.item(itemObj).style.display = "";
		
	}
	else
	{
		document.all.item(itemObj).style.display = "none";
		if (intervalTime != 0)
			window.clearInterval(intervalTime);
	}	

}
function setIntervalDelay(itemNo,on)
{
	if (on)
		intervalTime = window.setInterval("showSummaryNewsSection(" + itemNo + "," + on +")",1000);
	else
		showSummaryNewsSection(itemNo,on);
}