var alliframes = document.getElementsByTagName('iframe');
for (i = 0; i != alliframes.length; i++) 
{
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}

var allFlashObjects = document.getElementsByTagName('object');
for (i = 0; i != allFlashObjects.length; i++) {
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    {
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        allFlashObjects[i].style.visibility = 'hidden';
    }
}

var allEmbedTags = document.getElementsByTagName('embed');
for (var embedTags = document.allEmbedTags, i = 0, embeded; embeded = embedTags[i]; i++) 
{
    if (navigator.appName == 'Microsoft Internet Explorer') {
        embeded.setAttribute('wmode', 'transparent');
        embeded.style.visibility = 'hidden';
    }
    else {
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        var parentNode = embeded.parentNode;
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        var nextSibling = embeded.nextSibling
        parentNode.insertBefore(embeded, nextSibling);
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}