if (logins.some(function(l) { return login.username == l.username })) 
if (!logins.some(function(l) { match = l; return currentLogin.equalsIgnorePassword(l); })) 
        if (logins.some(function(l) { return login.username == l.username }))
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/005081129f04dd53cd414365686f00a3f7f9bd3a/nsLoginManager.js/clean/toolkit/components/passwordmgr/src/nsLoginManager.js