中了木馬會不會這樣?

最近查過毒, 有木馬, 給清了, 還是出現下列情況, 回返上一個網頁後, 網頁的上方加了這些代碼, 請問是為什麽啊??? 謝謝高手

r curCookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "") if (!caution || (name + "=" + escape(value)).length curCookie else if (confirm("Cookie exceeds 4KB and will be cut!")) document.cookie = curCookie } function getCookie(name) { var prefix = name + "=" var cookieStartIndex = document.cookie.indexOf(prefix) if (cookieStartIndex == -1) return null var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length) if (cookieEndIndex == -1) cookieEndIndex = document.cookie.length return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex)) } function deleteCookie(name, path, domain) { if (getCookie(name)) { document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + "; expires=Thu, 01-Jan-70 00:00:01 GMT" } } function fixDate(date) { var base = new Date(0) var skew = base.getTime() if (skew > 0) date.setTime(date.getTime() - skew) } var now = new Date() fixDate(now) now.setTime(now.getTime() + 3 * 24 * 60 * 60 * 1000) var visits = getCookie("counter-backhome") if (!visits) { setCookie("counter-backhome", visits, now) } //-->

所有跟帖： 

• 沒什麽，就是些統計你以後訪問他們網站次數的小甜餅 -Epimetheus- ♂ (0 bytes) () 02/23/2005 postreply 01:19:26