function changeloginreg(){
}


Function.prototype.method = function (name, func) {
  this.prototype[name] = func;
  return this;
};
if (!String.prototype.trim) {
  String.method('trim', function () {
    return this.replace(/^\s+|\s+$/g, '');
  });
  String.method('ltrim', function () {
    return this.replace(/^\s+/g, '');
  });
  String.method('rtrim', function () {
    return this.replace(/\s+$/g, '');
  });
}

function checksearch(frm) {
	if (typeof(frm.keywords)!="undefined"){
  if (frm.keywords.value.trim() == '' || frm.keywords.value.trim() == '请输入关键词') {
    alert("搜索关键词不能为空，请输入。");
    frm.keywords.focus();
    return false;
  }
  frm.submit();
  return false;
}
}

function AddFavorite(sURL, sTitle) {
  sURL = encodeURI(sURL);
  try {
    window.external.addFavorite(sURL, sTitle);
  } catch (e) {
    try {
      window.sidebar.addPanel(sTitle, sURL, "");
    } catch (e) {
      alert("加入收藏失败，请按键Ctrl+D进行添加,或手动在浏览器中设置。");
    }
  }
}

function SetHome(url) {
  if (document.all) {
    document.body.style.behavior = "url(#default#homepage)";
    document.body.setHomePage(url);
  } else {
    alert("浏览器不支持此功能,请手动在浏览器设置页面进行设置。");
  }
}
var initial_fontsize = 12;
var initial_lineheight = 28;

function setFontsize(type, objname) {
  var whichEl = document.getElementById(objname);
  if (whichEl != null) {
    var oP = document.getElementById(objname).getElementsByTagName("p");
    if (type == 1) {
      if (initial_fontsize < 42) {
        whichEl.style.fontSize = ++initial_fontsize + "px";
        whichEl.style.lineHeight = ++initial_lineheight + "px";
        if (oP != null) {
          for (var i = 0; i < oP.length; i++) {
            oP[i].style.fontSize = whichEl.style.fontSize;
            oP[i].style.lineHeight = whichEl.style.lineHeight;
          }
        }
      }
    } else {
      if (initial_fontsize > 8) {
        whichEl.style.fontSize = --initial_fontsize + "px";
        whichEl.style.lineHeight = --initial_lineheight + "px";
        if (oP != null) {
          for (var i = 0; i < oP.length; i++) {
            oP[i].style.fontSize = whichEl.style.fontSize;
            oP[i].style.lineHeight = whichEl.style.lineHeight;
          }
        }
      }
    }
  }
}

function trresizeimg(maxw, maxh, objimg) {
  var img = new Image();
  img.src = objimg.src;
  var hratio;
  var wratio;
  var ratio = 1;
  var w = img.width;
  var h = img.height;
  wratio = maxw / w;
  hratio = maxh / h;
  if (maxw == 0 && maxh == 0) {
    ratio = 1;
  } else if (maxw == 0) {
    //
    if (hratio < 1) ratio = hratio;
  } else if (maxh == 0) {
    if (wratio < 1) ratio = wratio;
  } else if (wratio < 1 || hratio < 1) {
    ratio = wratio <= hratio ? wratio : hratio;
  }
  if (ratio < 1) {
    w = w * ratio;
    h = h * ratio;
  }
  objimg.height = h;
  objimg.width = w;
}

function checkuseradd(frm) {
  frm.submit1.disabled = "true";
  var patrn = /^[\w+$]{5,20}$/;
  //	if (typeof(frm.username)!="undefined"){
//if (!patrn.test(frm.username.value.trim())) {
  //  alert("登录名为5-20个字符，不可输入汉字，只可包含数字，字母，下划线");
  //  frm.username.focus();
  //  frm.submit1.disabled = 0;
  //  return false;
 // }
//}
  	if (typeof(frm.passwd1)!="undefined"){
  if (!patrn.test(frm.passwd1.value.trim())) {
    alert("密码为5-20个字符，不可输入汉字，只可包含数字，字母，下划线");
    frm.passwd1.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  	if (typeof(frm.passwd1)!="undefined"){
  if (frm.passwd1.value != frm.passwd2.value) {
    alert("两次输入密码不同，请重新输入");
    frm.passwd1.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  	if (typeof(frm.mail)!="undefined"){
  mail = frm.mail.value.trim();
  if (mail.indexOf("55tr.com") > -1) {
    alert("请输入真实的邮箱,不能使用55tr.com");
    frm.mail.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  re = new RegExp("^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$");
  	if (typeof(frm.mail)!="undefined"){
  if (!re.test(mail)) {
    alert("请输入正确的邮箱,例如 admin@55tr.com");
    frm.mail.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  var patrn = /^[0-9]{4}$/;
  	if (typeof(frm.vcode)!="undefined"){
  if (!patrn.test(frm.vcode.value.trim())) {
    alert("验证码为4位数字，请输入");
    frm.vcode.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  frm.submit();
    frm.submit1.disabled = 0;
  return false;
}

function checkuseredit(frm) {
  frm.submit1.disabled = "true";
  var patrn = /^[\w+$]{5,20}$/;
  	if (typeof(frm.passwd0)!="undefined"){
  if (!patrn.test(frm.passwd0.value.trim())) {
    alert("原始密码为5-20个字符，不可输入汉字，只可包含数字，字母，下划线");
    frm.passwd0.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  	if (typeof(frm.passwd1)!="undefined"){
  if (frm.passwd1.value.trim() != "") {
    if (!patrn.test(frm.passwd1.value.trim())) {
      alert("新密码密码为5-20个字符，不可输入汉字，只可包含数字，字母，下划线");
      frm.passwd1.focus();
    frm.submit1.disabled = 0;
      return false;
    }
    if (frm.passwd1.value != frm.passwd2.value) {
      alert("两次输入的新密码不同，请重新输入，不修改请留空");
      frm.passwd1.focus();
    frm.submit1.disabled = 0;
      return false;
    }
  }
}
  frm.submit();
    frm.submit1.disabled = 0;
  return false;
}

function checkuserlog(frm) {
  frm.submit1.disabled = "true";
  var patrn = /^[\w+$]{5,20}$/;
  //	if (typeof(frm.username)!="undefined"){
 // if (!patrn.test(frm.username.value.trim())) {
  //  alert("登录名为5-20个字符，不可输入汉字，只可包含数字，字母，下划线");
 //   frm.username.focus();
  //  frm.submit1.disabled = 0;
 //   return false;
//  }
//}
  	if (typeof(frm.passwd)!="undefined"){
  if (!patrn.test(frm.passwd.value.trim())) {
    alert("密码为5-20个字符，不可输入汉字，只可包含数字，字母，下划线");
    frm.passwd.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  var patrn = /^[0-9]{4}$/;
  	if (typeof(frm.vcode)!="undefined"){
  if (!patrn.test(frm.vcode.value.trim())) {
    alert("验证码为4位数字，请输入");
    frm.vcode.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  frm.submit();
    frm.submit1.disabled = 0;
  return false;
}

function randomString(len) {
  len = len || 32;
  var $chars = "ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678";
  /****默认去掉了容易混淆的字符oOLl,9gq,Vv,Uu,I1****/
  var maxPos = $chars.length;
  var pwd = "";
  for (i = 0; i < len; i++) {
    pwd += $chars.charAt(Math.floor(Math.random() * maxPos));
  }
  return pwd;
}

function udelnew(frm) {
  if (confirm("删除后无法恢复。确定删除文章么？")) {
    frm.submit();
  } else {
    return false;
  }
}

function checkguest(frm) {
  frm.submit1.disabled = "true";
  	if (typeof(frm.content)!="undefined"){
  if (frm.content.value.trim().length < 6) {
    alert("留言内容应大于6个字符");
    frm.content.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
 // var patrn = /^(\w+){2,20}|([\u0391-\uFFE5]+){2,20}$/;
  //	if (typeof(frm.username)!="undefined"){
//  if (!patrn.test(frm.username.value.trim())) {
 //   alert("昵称为2至20位字符，不可输入汉字，只可包含汉字，数字，字母，下划线");
 //   frm.username.focus();
 //   frm.submit1.disabled = 0;
 //   return false;
 // }
//}
  	if (typeof(frm.mail)!="undefined"){
  mail = frm.mail.value.trim();
  if (mail != "") {
    if (mail.indexOf("55tr.com") > -1) {
      alert("请输入真实的邮箱,不能使用55tr.com或留空");
      frm.mail.focus();
    frm.submit1.disabled = 0;
      return false;
    }
    re = new RegExp("^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$");
    if (!re.test(mail)) {
      alert("请输入正确的邮箱,例如 admin@55tr.com或留空");
      frm.mail.focus();
    frm.submit1.disabled = 0;
      return false;
    }
  }
}
  	if (typeof(frm.homepage)!="undefined"){
  homepage = frm.homepage.value.trim();
  if (homepage != "") {
    re = new RegExp("^[A-Za-z0-9-_]+\\.[A-Za-z0-9-_%&?/.=]+$");
    if (!re.test(homepage)) {
      alert("请输入正确的网址,例如 www.55tr.com或留空");
      frm.homepage.focus();
    frm.submit1.disabled = 0;
      return false;
    }
  }
}
  var patrn = /^[0-9]{4}$/;
  	if (typeof(frm.vcode)!="undefined"){
  if (!patrn.test(frm.vcode.value.trim())) {
    alert("验证码为4位数字，请输入");
    frm.vcode.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  top.trdisnone.innerHTML = ("<iframe id="\"ifr1\"" name="\"ifr1\"" style="\"display:none;\""></iframe>");
  frm.submit();
    frm.submit1.disabled = 0;
  return false;
}

function confirms() {
  if (confirm("确定继续操作么？")) {} else {
    return false;
  }
}

function reloadAbleJSFn(id, newJS) {
  var oldjs = null;
  var t = null;
  var oldjs = document.getElementById(id);
  if (oldjs) oldjs.parentNode.removeChild(oldjs);
  var scriptObj = document.createElement("script");
  scriptObj.src = newJS;
  scriptObj.type = "text/javascript";
  scriptObj.id = id;
  document.getElementsByTagName("head")[0].appendChild(scriptObj);
}

function check_uaddnews(frm) {
  frm.submit1.disabled = "true";
  	if (typeof(frm.title)!="undefined"){
  if (frm.title.value.trim() == "") {
    alert("标题不能为空，请输入。");
    frm.title.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  	if (typeof(frm.columnid)!="undefined"){
  if (frm.columnid.value.trim() == "") {
    alert("所属栏目不能为空，请选择。");
    frm.columnid.focus();
    frm.submit1.disabled = 0;
    return false;
  }
}
  frm.submit();
    frm.submit1.disabled = 0;
  return false;
}




function _55tr_com(callid){
switch(callid){
//整站顶部980*90
case "tr1":
document.writeln("<img src="/inc/upfiles/image/201904/20180111111527482748.gif">");
break;
}
}