function popupWindow(url, navn, width, height, scrollbars) {
	if (scrollbars) { var scrollbar_str = 'yes' }
	else { var scrollbar_str = 'no' }
	curwin = window.open(url, navn ,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=' + scrollbar_str + ',resizable=yes,copyhistory=no,width=' + width + ',height=' + height + ',top=150,left=150')
}