function openPop(sUrl, sName, iWidth, iHeight, sFeatures) {
			sFeatures += ',toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=' + iWidth + ',height=' + iHeight + ',top=' + (Math.round((screen.height - iHeight + 6)/2)) + ',left=' + (Math.round((screen.width - iWidth - 20)/2));
		    window.open(sUrl,sName,sFeatures);
		}
		function openPopup(sFile, sWindowName, iWidth, iHeight, bStatus, bScrollbars){
			iLeft = (screen.width - iWidth) / 2;
			iTop = (screen.height - iHeight) / 2;
		
			sFeatures  = 'width=' + iWidth;
			sFeatures += ',height=' + iHeight;
			sFeatures += ',top=' + iTop;
			sFeatures += ',left=' + iLeft;
			sFeatures += ',status=' + bStatus;
			sFeatures += ',scrollbars=' + bScrollbars;
		
			open( sFile, sWindowName, sFeatures );
		}