>>Long time ago, I sometimes faced similar issue with the style object in IE (quite often really)
>>You should be able to work around it with one of the following:
>>
>>- use a js framework such as jQuery (highly recommendable)
>>
>>- always test object.style.prop before reading or assigning:
>>if (object.style && object.style.prop) object.style.prop = value;
>>value = object.style ? (object.style.prop || null) : null;
>
>Thanks, but after a while, if this is the case, it means my object is no longer available. How can I make it back available as this is required for the application to proceed.

I never could - I always tested like I explained to work around errors