Script in multiple browsers help please

Hi everyone
I know this has probably been asked a million times before but I have been searching the net for hours and have not found a solution so I am hoping one of you clever people will be able to help me. PLEASE!!

I am using this snow fall script http://www.dynamicdrive.com/dynamicindex3/rain.htm

It works perfectly in IE but not in Firefox or Safari. I'd like it to work in all or most browsers if thats possible.

Unfortunately, I am still learning so don't understand all the technical speak as yet so if someone can help in simple terms I'd be ever so grateful :D

Thank you so much to anyone who can help me out!

As it notes, this script is intended for and works in IE5+ and Opera 7+ only. Like many Dynamic Drive scripts it is rather old and it would need quite a lot of effort to re-write it for modern browsers.


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