window.open causing error in IE only

I am calling this from ie8:

function verify_ssl()
{
    window.open ("https://seal.godaddy.com/verifySeal?sealID=129275340046e2e09512711f05bc73f617fac022950185486622550",
    "ssl-window","status=0,toolbar=0,m开发者_运维百科enubar=0,resizable=0,width=540,height=435");
}

It says invalid argument, It works fine in FF and Chrome. Any idea what the issue is in IE?

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A wild guess: Remove the - from ssl-window.

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I can't test it (Mac user), but I remember something about the title of window.open (the 2nd parameter), try it without the "-".