<%
function gotTopic(str,strlen)
	if str="" then
		gotTopic=""
		exit function
	end if
	dim l,t,c, i
	str=replace(replace(replace(replace(str,"&nbsp;"," "),"&quot;",chr(34)),"&gt;",">"),"&lt;","<")
	l=len(str)
	t=0
	for i=1 to l
		c=Abs(Asc(Mid(str,i,1)))
		if c>255 then
			t=t+2
		else
			t=t+1
		end if
		if t>=strlen then
			gotTopic=left(str,i) & "…"
			exit for
		else
			gotTopic=str
		end if
	next
	gotTopic=replace(replace(replace(replace(gotTopic," ","&nbsp;"),chr(34),"&quot;"),">","&gt;"),"<","&lt;")
end function

'***********************************************
'函数名：JoinChar
'作  用：向地址中加入 ? 或 &
'参  数：strUrl  ----网址
'返回值：加了 ? 或 & 的网址
'***********************************************
function JoinChar(strUrl)
	if strUrl="" then
		JoinChar=""
		exit function
	end if
	if InStr(strUrl,"?")<len(strUrl) then 
		if InStr(strUrl,"?")>1 then
			if InStr(strUrl,"&")<len(strUrl) then 
				JoinChar=strUrl & "&"
			else
				JoinChar=strUrl
			end if
		else
			JoinChar=strUrl & "?"
		end if
	else
		JoinChar=strUrl
	end if
end function

'***********************************************
'过程名：showpage
'作  用：显示“上一页 下一页”等信息
'参  数：sfilename  ----链接地址
'       totalnumber ----总数量
'       maxperpage  ----每页数量
'       ShowTotal   ----是否显示总数量
'       ShowAllPages ---是否用下拉列表显示所有页面以供跳转。有某些页面不能使用，否则会出现JS错误。
'       strUnit     ----计数单位
'***********************************************
sub showpage(sfilename,totalnumber,maxperpage,ShowTotal,ShowAllPages,strUnit)
	dim n, i,strTemp,strUrl
	if totalnumber mod maxperpage=0 then
    	n= totalnumber \ maxperpage
  	else
    	n= totalnumber \ maxperpage+1
  	end if
  	strTemp= "<table align='center'><form name='showpages' method='Post' action='" & sfilename & "'><tr><td>"
	if ShowTotal=true then 
		strTemp=strTemp & "共 <b>" & totalnumber & "</b> " & strUnit & "&nbsp;&nbsp;"
	end if
	strUrl=JoinChar(sfilename)
  	if CurrentPage2 then
    		strTemp=strTemp & "首页 上一页&nbsp;"
  	else
    		strTemp=strTemp & "<a href='" & strUrl & "page=1'>首页</a>&nbsp;"
    		strTemp=strTemp & "<a href='" & strUrl & "page=" & (CurrentPage-1) & "'>上一页</a>&nbsp;"
  	end if

  	if n-currentpage1 then
    		strTemp=strTemp & "下一页 尾页"
  	else
    		strTemp=strTemp & "<a href='" & strUrl & "page=" & (CurrentPage+1) & "'>下一页</a>&nbsp;"
    		strTemp=strTemp & "<a href='" & strUrl & "page=" & n & "'>尾页</a>"
  	end if
   	strTemp=strTemp & "&nbsp;页次：<strong><font color=red>" & CurrentPage & "</font>/" & n & "</strong>页 "
    strTemp=strTemp & "&nbsp;<b>" & maxperpage & "</b>" & strUnit & "/页"
	if ShowAllPages=True then
		strTemp=strTemp & "&nbsp;转到：<select name='page' size='1' onchange='javascript:submit()'>"   
    	for i = 1 to n   
    		strTemp=strTemp & "<option value='" & i & "'"
			if cint(CurrentPage)=cint(i) then strTemp=strTemp & " selected "
			strTemp=strTemp & ">第" & i & "页</option>"   
	    next
		strTemp=strTemp & "</select>"
	end if
	strTemp=strTemp & "</td></tr></form></table>"
	response.write strTemp
end sub

'***************************************************
'函数名：IsObjInstalled
'作  用：检查组件是否已经安装
'参  数：strClassString ----组件名
'返回值：True  ----已经安装
'       False ----没有安装
'***************************************************
Function IsObjInstalled(strClassString)
	On Error Resume Next
	IsObjInstalled = False
	Err = 0
	Dim xTestObj
	Set xTestObj = Server.CreateObject(strClassString)
	If 0 = Err Then IsObjInstalled = True
	Set xTestObj = Nothing
	Err = 0
End Function
%>