function System() {
this.browser = navigator.appName;
this.browser_version = navigator.appVersion.charAt(0) + ".0";
this.platform = "";
this.browser_codename = navigator.appCodeName

if (navigator.appVersion.indexOf("Mac") > 1) {
this.platform = "Macintosh"
}
if (navigator.appVersion.indexOf("Win") > 1) {
this.platform = "Windows"
}
if (this.platform == "") {
this.platform = "Other"
}
}

function set_home_page(home_page_url)
{
sysinfo = new System()
if((sysinfo.browser == "Netscape") && (sysinfo.browser_version >= 3)) {
 netscape.security.PrivilegeManager.enablePrivilege("UniversalPreferencesWrite");
 navigator.preference("browser.startup.homepage", home_page_url);
} else {
//if(sysinfo.browser_version > 4) {
//document.writeln("<IE:homePage ID=\"oHomePage\" STYLE=\"behavior:url('#default#homepage')\" />")
oHomePage.setHomePage(home_page_url)
//}
}
}

function make_favorite(page_url, fav_name)
{
sysinfo = new System()
if(sysinfo.browser == "Netscape") {
alert("Press CTRL+D to add this page to your favorites.");
} else {
window.external.AddFavorite(page_url, fav_name);
}
}