Textarea autoexpander code hangs up on some machines

[corylulu]

I use it in my TB add-on. I believe that this bug affects no more than 20% of user machines. There are only 3 users who reported this bug. Main problem is that I cannot reproduce it on my machine. \[code\](function($){ $.fn.inputexpander = function (settings) { var config = { classmodifier: "tae" }; if (settings) { $.extend(config, settings); } function CheckContent(element) { if (element.clientHeight < element.scrollHeight){ var $elem = $(element); var height = $elem.height() + 5; $elem.height(element.scrollHeight+5); CheckContent(element); } } return this.each(function () { $(this).addClass(config.classmodifier).css({ overflow: "hidden" }); $(this).bind("keyup", function () { CheckContent(this); }); });};})(jQuery);\[/code\]I bind it as follows:\[code\]$('textarea').inputexpander();\[/code\]As I understand, the condition \[code\] element.clientHeight < element.scrollHeight\[/code\]gets calculate always true. It leads to endless recursion and 5 seconds hangup (reported by user). Then TB gives up and stops the script. May be element.clientHeight is always null, may be something else....Any ideas how to make it work everywhere?