I've had two instances recently where I had to execute some form processing code once the page load event was fired. However, I didn't have access to the BODY tag because it was contained in a global header include. Obviously, adding my onload event handler in a global header would throw 'Object does not exist' errors all over the site.
There is the non-standard option of placing your function call in the onload event of an IMG, SCRIPT, or FORM tag, but in my experience, this method is less than perfect or consistent in inconsistently working. A browser can load a form at the bottom of a page before it loads an image at the top of your page. And throwing unfriendly errors, let alone any error, is bad for business. So I came up with a first grade-type solution. Keep trying until you get it right. A perpetual loop that won't throw errors.
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