function popup_win( loc, wd, hg ) {

	var remote = null;

	remote = window.open('','','width=' + wd + ',height=' + hg + ',resizable=0,scrollbars=1,top=0,left=0');

	if (remote != null) {

		if (remote.opener == null) {

			remote.opener = self;

		}

		remote.location.href = loc;

	} 

	else { self.close(); }

}