var themeColor = "black";

function removeImg(){
    var oImgs = document.getElementsByTagName("img");
    for(var i=0; i<oImgs.length; i++){
        if ( oImgs[i].src.match("\/" + themeColor + "\/images\/1.gif")) {
            oImgs[i].parentNode.removeChild(oImgs[i]);
            i--;
        }
    }
}