This is not an html plugin, it is a VB/VBA function that can not have preview here, to see it working, you need to add it to your VBA project and run the function

If you don't know what I am talking about, then this maybe not for you

' Searches for a sheet in a workbook
' Can also be used as User-Defined-Function
Function FindSheet(SheetName As String, Optional ThisWB As Workbook) As Boolean
If ThisWB Is Nothing Then Set ThisWB = ThisWorkbook
FindSheet = False
For i = 1 To ThisWB.Sheets.Count
If UCase(SheetName) = UCase(ThisWB.Sheets(i).Name) Then
FindSheet = True
Exit Function
End If
Next i
End Function