function crossBrowser_innerDimensions() {

    var x,y;
    if (self.innerHeight) // all except Explorer
    {
        x = self.innerWidth;
        y = self.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight)
        // Explorer 6 Strict Mode
    {
        x = document.documentElement.clientWidth;
        y = document.documentElement.clientHeight;
    }
    else if (document.body) // other Explorers
    {
        x = document.body.clientWidth;
        y = document.body.clientHeight;
    }
    
    return new Array(x, y);
}