Check if a URL exist

I have a JavaScript function with two different URLs. The first URL is the default URL and the JavaScript jumps to it, but if the first URL does not exist, the JavaScript must jump to the second one. I need a function that checks if the first URL exist and depending the result of this function, jump to the first or the second URL.
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aikonAsked:
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DeatheadConnect With a Mentor Commented:
Unfortunatly JS can't supply that information for you
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DeatheadCommented:
Unfortunatly JS can't supply that information for you
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Michel PlungjanIT ExpertCommented:
However if you can put an image on the 1st server, you can try this:

<IMG SRC="http://www.server1.com/testimage.gif"
onLoad="window.location='http://www.server1.com/'"
onError="window.location='http://www.server2.com/'">

Michel
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Michel PlungjanIT ExpertCommented:
However if you can put an image on the 1st server, you can try this:

<IMG SRC="http://www.server1.com/testimage.gif"
onLoad="window.location='http://www.server1.com/'"
onError="window.location='http://www.server2.com/'">

Michel
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Michel PlungjanIT ExpertCommented:
Sorry for the double posting - bad response time

Michel
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