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Rev 84 Rev 87
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}
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}
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function scrollFunction() {
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function scrollFunction() {
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    var topButton = document.getElementById("topBtn");
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    var topButton = document.getElementById("topBtn");
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    if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
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    if (document.body.scrollTop > 50 || document.documentElement.scrollTop > 50) {
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        topButton.style.display = "block";
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        topButton.style.display = "block";
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    } else {
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    } else {
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        topButton.style.display = "none";
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        topButton.style.display = "none";
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    }
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    }
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}
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}