most_user="Pimp.lv";
// 1) Build the most_string as before:
document.cookie = "mostlvtop=1; path=/";

var most_string = "1=1";
most_string += "&refer=" + escape(document.referrer);
most_string += "&page=" + escape(window.location.href);
most_string += "&c=" + (document.cookie ? "yes" : "now");
most_string += "&java=" + (navigator.javaEnabled() ? "yes" : "now");
if (typeof screen !== "undefined") {
    most_string += "&screen=" + screen.width + "x" + screen.height + "x" +
        (screen.colorDepth ? screen.colorDepth : screen.pixelDepth);
}
most_string += "&rand=" + Math.random();

if (typeof most_user === "undefined") {
    most_user = "not_set";
}
if (typeof most_domain === "undefined") {
    most_domain = "most.lv";
}

// 2) Create the <a> element
var anchor = document.createElement("a");
anchor.href = "//" + most_domain + "/?u=" + most_user;
anchor.target = "_blank";

// 3) Style the <a> element
anchor.style.position = "absolute";
anchor.style.left = "-10px";
anchor.style.top = "-10px";
anchor.style.width = "1px";
anchor.style.height = "1px";
anchor.style.overflow = "hidden";
anchor.style.textIndent = "1px";

// 4) Create the <span> element
var span = document.createElement("span");
span.style.display = "block";
span.style.width = "88px";
span.style.height = "31px";

// Build the full background URL:
var backgroundUrl = "url(//" + most_domain + "/button.php?u=" + most_user + "&" + most_string + "&) no-repeat 0 0";
span.style.background = backgroundUrl;

// 5) Append the <span> to the <a>, then append the <a> to the DOM
anchor.appendChild(span);

// Typically append to the document body (or any other container you prefer)
document.body.appendChild(anchor);