function siteHeight() {

    if (self.innerHeight) // all except Explorer
    {
        winHeight = self.innerHeight - 100;
    }
    else if (document.documentElement && document.documentElement.clientHeight)
    // Explorer 6 Strict Mode
    {
        winHeight = document.documentElement.clientHeight - 187;
    }
    else if (document.body) // other Explorers
    {
        winHeight = document.body.clientHeight - 187;
    }

    contentHeight = document.getElementById('content').offsetHeight;

    if (contentHeight > winHeight) {
        if (document.getElementById('ctl00_cphNavSub_pnlSubMenu')) {
            document.getElementById('contentRight').style.height = contentHeight + 'px';
            document.getElementById('bgImage').style.top = contentHeight - 169 + 'px';
        } else {
        document.getElementById('contentText').id = "homeContent";
        document.getElementById('contentRight').style.height = contentHeight + 'px';
        document.getElementById('bgImage').style.top = contentHeight - 169 + 'px';
        }
    } else {
    if (document.getElementById('ctl00_cphNavSub_pnlSubMenu')) {
        document.getElementById('contentRight').style.height = winHeight + 'px';
        document.getElementById('bgImage').style.top = winHeight - 169 + 'px';
    } else { 
        document.getElementById('contentText').id = "homeContent";
        document.getElementById('contentRight').style.height = winHeight + 'px';
        document.getElementById('bgImage').style.top = winHeight - 169 + 'px';
    }
    document.getElementById('content').style.height = winHeight + 'px';
    }
}