Extending the Year range in Popup Calendar I am trying to extend a year range of a popup calendar in drupal 7 but have been unable to see where I can do this.

After doing more research, I discovered that I can change it through the 'More settings &amp; values' option in the field settings which I have seen in other people's screen shots except that I don't seem to have this option at all when I go into my field settings.

I am using the date field and having it display as a popup calendar but cant find the year range setting anywhere - is there something else I need to enable to find this or has anybody else had a similar issue?

I'd be happy to even change some code in one of the files, but I havent been able to find the right one.

Many Thanks
Step 1 :
   Edit the file date_year_range.js located in this path : sites\all\modules\date\date_api\ 
Step 2 :
   Locate this line : Line 67 start = Math.min(this.getOriginal('int'), -n) n is the number you specified in your Drupal 
Step 3 :
   Replace n with the value you want, for example for the field date of birth i want 60 years besfore today 
Step 4 :
   Go back to your web site, edit the content type, then manage fields and change more settings and values of your date field.