Retirement Income Calculator

AustralianSuper provide an on-line Retirement Income Calculator. Unfortunately this is implemented using "Flash", making it slow and hard to use. The text is tiny and it can take several seconds to respond to clicking a button. At one point I got a warning from the web browser that a script was taking too long to respond. At this point the text went blurry and then I noticed a pop-up box down the bottom of the page, with a button I had to click on to continue. At this point I gave up on the calculator. Given that it is likely to be used by older people, closer to retirement, it needs to be designed with accessibility in mind, ideally using HTML5.