add: return true; 
context: function install( aEvent, extName, iconURL, extHash)  {       if (aEvent.altKey)        return true;    if (aEvent.target.href.match(/^.+\.xpi$/)) {        var params = new Array();        params[extName] = {            URL: aEvent.target.href,            IconURL: iconURL,            toString: function () { return this.URL; }        };        // Only add the Hash param if it exists.        //        // We optionally add this to params[] because installTrigger        // will still try to compare a null hash as long as the var is set.        if (extHash) {            params[extName].Hash = extHash;        }        InstallTrigger.install(params);        try {            var p = new XMLHttpRequest();            p.open("GET", "/install.php?uri="+aEvent.target.href, true);            p.send(null);        } catch(e) { }        return false;    }}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/8d7b1714dacbbb5be88fc5a20cc9a775ade4809f/install.js/clean/webtools/addons/public/htdocs/js/install.js