docs: function (color, imageurl, otherparams) {
              var fullUrl = "";
              var gifUrl = "";
  
              if (imageurl) {
                  var imageFullUrl = /^(data|https?):/i.test(imageurl) ? imageurl : this.getSkinImageFullUrl(imageurl);
                  fullUrl = "url(" + imageFullUrl + ") ";
  
                  if (ariaUtilsString.endsWith(imageurl, ".png")) {
                      gifUrl = imageFullUrl.substring(0, imageFullUrl.length - 4) + ".gif";
                  } else {
                      gifUrl = imageFullUrl;
                  }
              }
  
              var rule = ["background: ", color, " ", fullUrl, otherparams, ";"];
              if (gifUrl) {
                  rule.push("_background-image: url(", gifUrl, ") !important;");
              }
  
              return rule.join("");
          }