var aNoteWin

function popup(topic)
{
if (self.aPopUp == null)
{aPopUp= window.open(topic,'PopupViewer','scrollbars=yes,location=no,status=no,menubar=1,directories=no,top=75,left=75,width=450,height=350,titlebar=no')
self.aNoteWin = aPopUp}
else
{closePicture()
aPopUp= window.open(topic,'PopupViewer','scrollbars=yes,location=no,status=no,menubar=1,directories=no,top=75,left=75,width=450,height=350,titlebar=no')
self.aNoteWin = aPopUp}
}

function popup2(topic) {
	
	if (self.aPopUp == null) {
		aPopUp= window.open(topic,'Popup2','scrollbars=yes,location=no,status=no,menubar=0,directories=no,top=15,left=15,width=600,height=400,titlebar=no');
		self.aNoteWin = aPopUp;
	}
	else {
		closePicture()
		aPopUp= window.open(topic,'Popup2','scrollbars=yes,location=no,status=no,menubar=0,directories=no,top=15,left=15,width=600,height=400,titlebar=no');
		self.aNoteWin = aPopUp;
	}
}

function closePicture(which)
{
self.aPopUp=null
self.aNoteWin.close()
}