Function LeftTrue(str,pageno)
Dim i,line,linenum,pagei
Dim substr
pagei = 0
line = 0
linenum = 0
For i = pageno To Len(str)
substr = Mid(str,i,1)
Response.Write substr
If Asc(substr) > 255 OR Asc(substr) < 0 Then
line = line + 2 '中文
Else
line = line + 1 '英文
End If
If line > 79 Then '每行80
linenum = linenum + 1
line = 0
Response.Write "<br>"
End If
If linenum > 10 Then '10行
pagei = i
Exit For
End if
Next
LeftTrue = pagei '如果能在一页显示pagei=0,否则pagei为下一页的起点
End Function