function build() { if ((navigator.appName != "Netscape") && (parseFloat(navigator.appVersion) == 2)) { newwin = window.open("patmap.htm", "_secondFrame", "scrollbars=yes,resizable=yes,width=580"); } else { newwin = window.open("", "_secondFrame","scrollbars=yes,resizable=yes,width=580"); newwin.focus(); newwin.location = "patmap.htm"; } }