Asp防止刷新页面函数

'================================================
'过程名：PreventRefresh
'作  用：防止刷新页面
'================================================
Sub PreventRefresh()
 Dim RefreshTime,isRefresh
 RefreshTime = 10   '防止刷新时间,单位（秒）
 isRefresh = 1    '是否使用防刷新功能，0=否，1=是
 If isRefresh = 1 Then
  If (Not IsEmpty(Session("RefreshTime"))) And RefreshTime > 0 Then
   If DateDiff("s", Session("RefreshTime"), Now()) < RefreshTime Then
    Response.Write "<META http-equiv=Content-Type content=text/html; chaRset=gb2312><meta HTTP-EQUIV=REFRESH CONTENT="&RefreshTime&"><br>本页面起用了防刷新机制，请不要在"&RefreshTime&"秒内连续刷新本页面<BR>正在打开页面，请稍后……"
    Response.End
   Else
    Session("RefreshTime") = Now()
   End If
  Else
   Session("RefreshTime") = Now()
  End If
 End If
End Sub