function GetInstallButton() {
    return document.getElementById("installButton");
}

Silverlight.inject = function(params) {

};

Silverlight.onGetSilverlight = function() {

};

Silverlight.onRestartRequired = function() {

};

Silverlight.onUpgradeRequired = function() {

};

Silverlight.onInstallRequired = function() {

};

function pageLoaded() {
    if (Silverlight.supportedUserAgent('3.0')) {
        // silverlight is supported, update any installers

    }
    else {
        // silverlight is not supported, tell the installers to report this

    }
}