function openWindow(name,height,width) {
	self.name = "main";
	features =
 	'toolbar=no,location=no,directories=no,status=no,menubar=no,' +
	'scrollbars=yes,resizable=no,width='+width+',height='+height+',left="50,top=10'
	dlg = window.open ('',name,features)
}