>Anyone would have the proper syntax to split that line into several lines:
>
>

>return typeof loWindow.pageYOffset != 'undefined' ? loWindow.pageYOffset: document.documentElement.scrollTop?
> document.documentElement.scrollTop: document.body.scrollTop? document.body.scrollTop:0
>

take advantage of JavaScript automatic coercion !

return loWindow.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;