slider js doesn't load

Hi, in this version, you use jqp_add_js('jquery.ui.core.min.js', TRUE); whereas "true" signifies that you want to set 'defer' to TRUE in drupal_add_js. I don't know if that was the intention, but it doesn't work for me, I get two errors, pasted as follows. If i remove the "TRUE" from the function call, everything works fine.

syntax error
SITENAMEHERE?E= (line 1)

slider_bar.width(parseInt(settings.width)).slider is not a function
slider_bar.width(parseInt(settings.width)).slider(settings);
slider_t...ield.js?E (line 71)

Cheers,
Martin