使用php在客户端使用xsl按字母顺序设置xml样式

I'm using PHP to query a list of people in a chat room and then appending to XML so the AJAX script on the client side can grab it. I don't want to put too much stress on the server having order it alphabetical by name. therefore; I'm thinking of using xslt on the client side to order it. But I'm not sure how to attach it to the XML page, and when I do, I keep getting errors. :/ so can someone show me how to properly do it.I'm using PHP to query a list of people in a ch