onvolveMatrix");
convolveMatrix.setAttribute("in", "SourceGraphic");
convolveMatrix.setAttribute("order", "3");
convolveMatrix.setAttribute("kernelMatrix", "3 0 3 0 0 0 3 0 3");
convolveMatrix.setAttribute("targetX", "0");
convolveMatrix.setAttribute("edgeMode", "wrap");

var filter = createSVGElement("filter");
filter.setAttribute("id", "filter");
filter.setAttribute("filterUnits", "userSpaceOnUse");
filter.setAttribute("x", "0");
filter.setAttribute("y", "0");
filter.setAttribute("width", "200");
filter.s