var WebSite1="http://www1.5778.com";
var WebSite2="http://www3.5778.com";
var WebSite3="http://www1.usr.name";
var WebURL="/Include/VerifyCode.asp";
var WebAct="/login_check.asp";
var WebSite=WebSite1;

function ChkWebPlace()
{
  NumStr="0123456789";
  IfNum=0;
  UserStr=formdx.UserID.value
  if (UserStr.length<=0) IfNum=1;
  else
  {
    for (i=0;i<UserStr.length;i++)
    {
      if (NumStr.indexOf(UserStr.substr(i,1))<0)
      {
        IfNum=1;
        break;
      }
    }
  }
  if (IfNum==0)
  {
    if (formdx.UserID.value<=190000 && formdx.action!=WebSite1+WebAct)
    {
      WebSite=WebSite1;
      document.getElementById("VerImg").src=WebSite+WebURL;
      formdx.action=WebSite+WebAct;
    }
    if (formdx.UserID.value>190000 && formdx.UserID.value<500000 && formdx.action!=WebSite2+WebAct)
    {
      WebSite=WebSite2;
      document.getElementById("VerImg").src=WebSite+WebURL;
      formdx.action=WebSite+WebAct;
    }
    if (formdx.UserID.value>=500000 && formdx.action!=WebSite3+WebAct)
    {
      WebSite=WebSite3;
      document.getElementById("VerImg").src=WebSite+WebURL;
      formdx.action=WebSite+WebAct;
    }
  }
  else
  {
    if (formdx.UserID.value.substr(0,2).toUpperCase()=="T_" && formdx.action!=WebSite1+WebAct)
    {
      WebSite=WebSite1;
      document.getElementById("VerImg").src=WebSite+WebURL;
      formdx.action=WebSite+WebAct;
    }
    if (formdx.UserID.value.substr(0,2).toUpperCase()=="C_" && formdx.action!=WebSite2+WebAct)
    {
      WebSite=WebSite2;
      document.getElementById("VerImg").src=WebSite+WebURL;
      formdx.action=WebSite+WebAct;
    }
    if (formdx.UserID.value.substr(0,2).toUpperCase()!="T_" && formdx.UserID.value.substr(0,2).toUpperCase()!="C_" && formdx.action!=WebSite3+WebAct)
    {
      WebSite=WebSite3;
      document.getElementById("VerImg").src=WebSite+WebURL;
      formdx.action=WebSite+WebAct;
    }
  }
}

function ChkUserID()
{
  if (formdx.UserID.value=="")
  {
    alert("请输入用户名。");
    formdx.UserID.focus();
    return false;
  }

  //if (IfNum==1 && formdx.UserID.value.substr(0,2).toUpperCase()!="T_" && formdx.UserID.value.substr(0,2).toUpperCase()!="C_")
  //{
  //  alert("如果是登录名，必须以“T_”或“C_”开头！");
  //  formdx.UserID.focus();
  //  return false;
  //}

  if (formdx.UserPSW.value=="")
  {
    alert("请输入密码。");
    formdx.UserPSW.focus();
    return false;
  }

  if (formdx.TestCode.value=="")
  {
    alert("请输入验证码。");
    formdx.TestCode.focus();
    return false;
  }

  return true;
}

document.write('<table width="70%" border="0" align="right" cellpadding="0" cellspacing="0" height="45">')
document.write('<form name="formdx" action="http://www1.5778.com/login_check.asp" method="post" onsubmit="ChkUserID();">')
document.write('<tr>')
document.write('<td>用户名:</td>')
document.write('<td>')
document.write('<input class="input" type="text" size="10" name="UserID" />')
document.write('</td>')
document.write('<td>密码:</td>')
document.write('<td>')
document.write('<input class="input" type="password" size="10" name="UserPSW" />')
document.write('</td>')
document.write('<td>验证码:</td>')
document.write('<td>')
document.write('<input type="text" name="TestCode" size="6" onfocus="ChkWebPlace();" class="inputsytley" />')
document.write('<img id="VerImg" src="http://www1.5778.com/Include/VerifyCode.asp" style="cursor:pointer" onclick="this.src=WebSite+WebURL" align="absmiddle" alt="看不清？点击更换" />')
document.write('</td>')
document.write('<td>')
document.write('<input name="" type="image" src="images/login.gif" width="41" height="17">')
document.write('</td>')
document.write('<td>')
document.write('<a href="http://www.5778.com/register.htm"><img src="images/regi.gif" width="55" height="17" border="0" /></a>')
document.write('</td>')
document.write('</tr>')
document.write('</form>')
document.write('</table>')