var sPage = "/images/blank.gif?";

sPage += "screenRes=" + screen.width + "x" + screen.height;
sPage += "&availRes=" + screen.availWidth + "x" + screen.availHeight;
sPage += "&colorDepth=" + screen.colorDepth;


container = document.createElement("div");
container.style.display = "none";

trackingImg = document.createElement("img");
trackingImg.src = sPage;
trackingImg.alt = "Tracking Image"
trackingImg.style.display = "none";

container.appendChild(trackingImg);

window.onload = function()
{
	document.body.appendChild(container);
}