记录浏览器添加收藏，cookie操作

//添加收藏function browserEvent(obj){    var B = {          IE : /MSIE/.test(window.navigator.userAgent) && !window.opera          , FF : /Firefox/.test(window.navigator.userAgent)          , OP : !!window.opera      };          if (B.IE) {          try {            window.external.addFavorite(url, '收藏的名称');            window.event.returnValue = false;        } catch (exp) {        alert("加入收藏失败，请使用Ctrl+D进行添加");        }      } else {          if (B.FF || obj.nodeName.toLowerCase() == "a") {              obj.setAttribute("rel", "sidebar"), obj.title = '收藏的名称', 

    obj.href = url;          } else if (B.OP) {              var a = document.createElement("a");              a.rel = "sidebar", a.title = '收藏的名称', a.href = url;              obj.parentNode.insertBefore(a, obj);              a.appendChild(obj);              a = null;          }      }  }

//设置cookiefunction setCookieShop(c_name,c_value){var cookieVal = c_name+"="+c_value;document.cookie = cookieVal;}//获取cookiefunction getCookieShop (c_name) {if (document.cookie.length > 0) {var c_start = document.cookie.indexOf(c_name+"=");c_start = c_start + c_name.length+1;var c_end = document.cookie.indexOf(";",c_start);var cookName = document.cookie.substring(c_start,c_end)return cookName;} return "";}//删除cookiefunction delCookie(c_name){document.cookie = c_name+"=; expires=Fri, 31 Dec 1999 23:59:59 GMT;";}