function getDomain()
{
var pageurl=document.location+''; 
var domain="";
if(pageurl.indexOf(".etiantian.com")!=-1)
  domain="etiantian.com";
else if(pageurl.indexOf(".etiantian.net")!=-1)
  domain="etiantian.net";
else if(pageurl.indexOf(".crtc.etiantian.com")!=-1)
  domain="crtc.etiantian.com";
else
  domain="etiantian.com";
return  domain;
}
function arcWrite()
{
if(isFree())
  {
   alert("登录后才能发表作文！");
  }
else
  {
  var url='';
  url+="http://web.";
  url+=getDomain();
  url+="/ett20/study/service/article/arcWrite.jsp?classify=3";
  window.open(url,"_blank");
  }
}
function viewUserInfo(userId)
{
if(isFree())
  {
   alert("登录后才能查看个人信息！");
  }
else
  {
  var url='';
  url+="http://web.";
  url+=getDomain();
  url+="/ett20/study/common/viewUserInfoByUserID.jsp?userID=";
  url+=userId;
  window.open(url,"_blank");
  }
}
function viewArticle(arcID)
{
var url='';
url+="http://web.";
url+=getDomain();
url+="/ett20/study/service/article/viewArticle.jsp?arcID=";
url+=arcID;
url+="&act=5";
window.open(url,"_blank");
}
function outputcondition()
{
if(!isFree())
document.write("<b>作者：</b><input type='text' name='userName' size='8' maxlength='30' value=''><b>题目：</b><input type='text' name='arcTitle' size='8' maxlength='30' value=''>");	
else
document.write("<input type=hidden name='userName' value=''><input type=hidden name='arcTitle' value=''>");	
}
function isFree()
{
var pageurl=document.location+''; 
if(pageurl.indexOf("articleFree")!=-1)
  return true;
else
  return false;	
}