I read before I can use wp_localize_script to replace a string in a file (adding path to admin-ajax). what if I want to do something similar, but to the template directory for CSS?
PIE will get the URL relative to the document not CSS
Using PIE CSS in WordPress. “localizing” styles
I assume you’re trying to integrate CSS3PIE (PIE.htc) into your theme. Here’s one solution:
http://css3pie.com/forum/viewtopic.php?f=4&t=8