function strlen(str) { var i; var len = 0; for (i=0;i255) len+=2; else len++; return len; } function checksearch(obj) { if (obj.keywords.value=="" || obj.keywords.value=="请输入关键字"){ alert("请输入搜索关键字."); obj.keywords.focus(); return false; } if (strlen(obj.keywords.value)<3){ alert("关键字不能少于3个字节."); obj.keywords.focus(); return false; } } function global_search() { document.write('

'); document.write(''); document.write('

'); } var setN = 0; var Then = new Date() Then.setTime(Then.getTime() + 6*60*60*1000) function loadSet() { var cookieString = new String(document.cookie) var cookieHeader = "Cookie112=" var beginPosition = cookieString.indexOf(cookieHeader) if (beginPosition == -1) { document.writeln(""); } } function exitSet() { setN = 1; document.cookie = "Cookie112=www.3567.com;expires="+ Then.toGMTString() } loadSet();