function hideToolbars() {
    try {
	    netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserWrite");
    } catch(e) {}
	    window.menubar.visible		= false;
	    window.directories.visible	= false;
	    window.statusbar.visible	= false;
	    window.toolbar.visible		= false;
	    window.locationbar.visible	= false;
	    window.personalbar.visible	= false;
	    window.scrollbars.visible	= false;
    try {
	    netscape.security.PrivilegeManager.disablePrivilege("UniversalBrowserWrite");
    } catch(e) {}
}

function showToolbars() {
    try {
	    netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserWrite");
    } catch(e) {}
	    window.menubar.visible		= true;
	    window.directories.visible	= true;
	    window.statusbar.visible	= true;
	    window.toolbar.visible		= true;
	    window.locationbar.visible	= true;
	    window.personalbar.visible	= true;
	    window.scrollbars.visible	= true;
    try {
	    netscape.security.PrivilegeManager.disablePrivilege("UniversalBrowserWrite");
    } catch(e) {}
}