To enable credit card processing with Lighttpd (a.k.a lighty), in sites/all/modules/ubercart/payment/uc_payment/uc_payment.js:
Comment out 107, add 108.
106 // Post the line item data to a URL and get it back formatted for display.
107 // $.post(Drupal.settings.basePath + '?q=cart/checkout/line_items', li_info,
108 $.post('https://chahec.org/?q=cart/checkout/line_items', li_info,Comment out 157, add 158
156// Make the post to get the details for the chosen payment method.
157 //$.post(Drupal.settings.basePath + '?q=' + path, data,
158 $.post('https://chahec.org/' + path, data,If you experience other "lighty" issues, let's open up a thread for them.
-Bram