I\'m writing an AJAX web app that uses Comet/Long Polling to keep the web page up to date, and I noticed in Chrome, it treats the page as if it\'s always loading (icon for t
Sorry for my general answer, but if you want to have a program which are more browser independent you should use jQuery or other your favorite library instead of low level XMLHttpRequest and ActiveXObject("Microsoft.XMLHTTP").
EDITED: I create two very simple HTML files: test.htm and load.htm and placed there in the same directory on a web site (try this one URL http://www.ok-soft-gmbh.com/jQuery/load/load.htm). I can't see effect which you describes in you question. Compare this files with your examples and you will solve your problem.
load.htm:
Demonstration of the jQery.load problem
test.htm:
OK!