How to simulate an event in select box on load page?

How to simulate an event in select box on load page?

For example in this page http://www.chicagocomputers.com.ar/oa/ourpcs2.php?ref=AMDAM3002 I need to开发者_StackOverflow社区 show the Gabinete product price automaticaly

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You are using jQuery-Min. So you can:

jQuery(selector_for_element).trigger('your_event_name');

Have fun. Good night.