setInterval(function()
{
 var iframes = document.body.getElementsByTagName('iframe'), length = iframes.length;
    for(var a = 0; a < length; a++)
    {
        if(iframes[a].src.match(/^http:\/\/www\.gstatic/))
        {
            iframes[a].style.display = 'none !important'
        }
    }
},1000);