Microsoft VBScript 编译器错误 错误 '800a0400'

缺少语句

/news/2006-10-20/20061020231109.asp,行 555

<BR>username=trim(request.form("username"))<BR>userpws=trim(request.form("password"))<BR>if username="" or userpws="" or&nbsp; Instr(username,"=")>0 or Instr(username,"%")>0 or Instr(username,chr(32))>0 or Instr(username,"?")>0 or Instr(username,"&")>0 or Instr(username,";")>0 or Instr(username,",")>0 or Instr(username,"'")>0 or Instr(username,",")>0 or Instr(username,chr(34))>0 or Instr(username,chr(9))>0 or Instr(username,"")>0 or Instr(username,"$")>0 then<BR>response.write('' 请正确输入用户名和密码'')<BR>response.end<BR>end if<BR>
^