main frame - has 1 onunload handler(s)
frame "<!--framePath //<!--frame0-->-->" - has 1 onunload handler(s)
ALERT: Navigating back...
main frame - has 1 onunload handler(s)
frame "<!--framePath //<!--frame0-->-->" - has 1 onunload handler(s)
ALERT: onpopstate
PASS