var agt = navigator.userAgent.toLowerCase();
var isie = (agt.indexOf("msie")!= -1 && document.all);
var client_test;

if (document.getElementById)
{ client_test = "a"; }
else if (document.all)
{ client_test = "b"; }
else if (document.layers)
{ client_test = "c"; }

var request = new function()
{
  var iname,ivalue,icount;
  var urlstr = location.href;
  var inum = urlstr.indexOf("?")
  urlstr = urlstr.substr(inum + 1);
  var arrtmp = urlstr.split("&");
  for(icount = 0; icount < arrtmp.length; icount++)
  {
    inum = arrtmp[icount].indexOf("=");
    if(inum > 0)
    {
      iname = arrtmp[icount].substring(0, inum);
      ivalue = arrtmp[icount].substr(inum + 1);
      this[iname] = ivalue;
    }
  }
}

var xmlhttp = function()
{
  var xmlObj = null;
  if(window.XMLHttpRequest){
      xmlObj = new XMLHttpRequest();
  } else if(window.ActiveXObject){
      xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
  } else {
      return;
  }
  return xmlObj;
}

function click_return(strt)
{
  var tmpvar = strt;
  var tmptrue = window.confirm(tmpvar);
  if (tmptrue) { return true; }
  return false;
}

function get_id(strname)
{
  switch (client_test)
  {
    case "a":
      return document.getElementById(strname);
      break;
    case "b":
      return document.layers[strname];
      break;
    default :
      return document.all(strname);
      break;
  }
}

function $(strname)
{
    switch (client_test)
    {
        case "a":
            return document.getElementById(strname);
            break;
        case "b":
            return document.layers[strname];
            break;
        default:
            return document.all(strname);
            break;
    }
}

function get_num(strers)
{
  if (isNaN(strers) || strers == "")
  {
    return 0;
  }
  else
  {
    return parseInt(strers);
  }
}

function get_selects_list(strid)
{
  var tobj = strid;
  if (tobj)
  {
    var ti,tstr;
    tstr = "";
    for (ti = 0; ti < tobj.options.length; ti ++)
    {
      if (tstr == "")
      {tstr = tobj.options[ti].value;}
      else
      {tstr += "|" + tobj.options[ti].value;}
    }
    return tstr;
  }
}

function iget(strers)
{
  var nxmlhttp = new xmlhttp();
  nxmlhttp.open("get", strers, false);
  nxmlhttp.send(null);
  return nxmlhttp.responseText;
}

function igets(strers, callback)
{
  var nxmlhttp = new xmlhttp();
  nxmlhttp.onreadystatechange = function()
  {
    if (nxmlhttp.readyState == 4)
    {
      if (nxmlhttp.status == 200 || nxmlhttp.status == 304)
      {
        callback(nxmlhttp.responseText);
      }
      else
      {
        callback("$error$")
      }
    }
  }
  nxmlhttp.open("get", strers, true);
  nxmlhttp.send(null);
}

function igets_xml(strers, callback)
{
  var nxmlhttp = new xmlhttp();
  nxmlhttp.onreadystatechange = function()
  {
    if (nxmlhttp.readyState == 4)
    {
      if (nxmlhttp.status == 200 || nxmlhttp.status == 304)
      {
        callback(nxmlhttp.responseXML);
      }
      else
      {
        callback("$error$")
      }
    }
  }
  nxmlhttp.open("get", strers, true);
  nxmlhttp.send(null);
}

function itextner(strid, strers)
{
  var tobj;
  tobj = get_id(strid);
  if (tobj)
  {
    if (isie)
    {
      tobj.focus();
      document.selection.createRange().text = strers;
    }
    else
    {
      tobj.focus();
      tobj.value += strers;
    }
  }
}

function iresize(stro, stra, strv)
{
  switch(stra)
  {
    case 1:
      if (stro.width > strv) stro.width = strv;
      break;
    case 2:
      if (stro.height > strv) stro.height = strv;
      break;
    default:
      if (stro.width > strv) stro.width = strv;
  }
}

function location_href(strers)
{
  var tburl = strers;
  var tbbase = get_id("base");
  if (tbbase)
  {
    var tbhref = get_id("base").href;
    if (tbhref) tburl = tbhref + tburl;
  }
  location.href = tburl;
}

function nhrefstate()
{
  var nhref = request["hspan"];
  if(!nhref == "")
  {
    var nhrefobj = get_id(nhref);
    if (nhrefobj)
    {
      nhrefobj.className = "red";
    }
  }
}

function nll(strers)
{}

function pop_win(strurl, strname, strwidth, strheight, strscroll)
{
  var nwidth = strwidth;
  var nheight = strheight;
  var leftsize = 0;
  var topsize = 0;
  if (nwidth == 0 || nheight == 0)
  {
    nwidth = screen.width - 8;
    nheight = screen.height - 55;
  }
  else
  {
    leftsize = (screen.width) ? (screen.width - nwidth)/2 : 0;
    topsize = (screen.height) ? (screen.height - nheight)/2 : 0;
  }
  window.open(strurl, strname, 'width=' + nwidth + ',height=' + nheight + ',left=' + leftsize + ',top=' + topsize + ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=' + strscroll + ',resizable=no' );
}

function select_all()
{
  var frm = eval("document.sel_form");
  var slength = 0;
  if (frm.sel_id == null) { return false; }
  var sall = frm.sel_all.checked;
  if (frm.sel_id.length)
  {
    slength = frm.sel_id.length;
    for (var i = 0; i < slength; i++) { frm.sel_id[i].checked = sall; }
  }
  else { frm.sel_id.checked = sall; }
}

function switch_display(strers)
{
  var tobj = get_id(strers);
  if(tobj.style.display == 'none')
  {
    tobj.style.display = '';
  }
    else
  {
    tobj.style.display = 'none';
  }
}
//重新设置指定url中指定查询字符串的指定值
function RegularUrl(url, key, value)
{
    var fragPos = url.lastIndexOf('#');
    var fragment = '';
    if (fragPos > -1)
    {
        fragment = url.substring(fragPos);
        url = url.substring(0, fragPos);
    }
    var querystart = url.indexOf("?");
    if (querystart < 0)
        url += '?' + key + '=' + value;
    else if (querystart == url.length - 1)
        url += key + '=' + value;
    else
    {
        var Re = new RegExp(key + '=[^\\s&#]*', 'gi');
        if (Re.test(url))
            url = url.replace(Re, key + '=' + value);
        else
            url += '&' + key + '=' + value;
    }
    return url + fragment;
}
function ReloadUrl()
{
    location.href = location.href;
}
//切换语言
function ChangeLanguage(lan) {
    var ifr = document.createElement('iframe');
    ifr.src = '/passport/?type=login&site_language=' + lan;
    ifr.style.display = 'none';
    document.body.appendChild(ifr);
    //location.href = url;//RegularUrl(url, 'site_language', lan);
    window.setTimeout(ReloadUrl, 1000);
}
//图片模糊，鼠标移上去变清晰效果
function ImgMouseOver(o)
{
    var p = o.parentNode.parentNode;
    p.style.border = '1px solid #FF6600';
    logo = 1;
    UpAlpha(o);
}
function ImgMouseOut(o) {
    var p = o.parentNode.parentNode;
    p.style.border = '1px solid #ffffff';
    logo = 0;
    DownAlpha(o);
}
function UpAlpha(img)
{
    o = img;
    if (logo == 1 && o.filters.alpha.opacity < 100)
    {
        o.filters.alpha.opacity += 20;
        var upalpha = setTimeout('UpAlpha(o)', 300);
    }
}
function DownAlpha(img)
{
    if (logo == 0 && o.filters.alpha.opacity > 80)
    {
        o.filters.alpha.opacity -= 20;
        var downalpha = setTimeout('DownAlpha(o)', 300);
    }
}
// 图片缩放脚本
function DrawImg(ImgD) {
    var image = new Image();
    image.src = ImgD.src;
    if (image.width > 0 && image.height > 0)
    {
        if (image.width >= 700)
        {
            ImgD.width = 700;
            ImgD.height = (image.height * 700) / image.width;
        }
        else
        {
            ImgD.width = image.width;
            ImgD.height = image.height;
        }
    }
}
//鼠标滚轮缩放图片
function ZoomImg(o)
{
    var zoom = parseInt(o.style.zoom, 10) || 100; zoom += event.wheelDelta / 12; if (zoom > 0) o.style.zoom = zoom + '%';
    return false;
}
//Attach Methord
String.prototype.Trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, "");
};
//内容里的图片缩放效果
function ContentImage(ImgD, imgWidth) {
    var image = new Image();
    image.src = ImgD.src;
	var h;
    if (image.width > 0 && image.height > 0) {
        if (image.width >= imgWidth) {
			if (ImgD.width >= imgWidth) {
				ImgD.width = imgWidth;
			}
			h = (image.height * imgWidth) / image.width;
			if (ImgD.height >= h) {
				ImgD.height = h;
			}
        } else {
			if (ImgD.width >= image.width) {
				ImgD.width = image.width;
			}
			if (ImgD.height >= image.height) {
				ImgD.height = image.height;
			}
        }
    }
}