<input type="button" name"URLJump" value="Jump to URL" OnClick="vbscript:JumpToURL(strURL)">

' NOTE: The command "window.location.href" is case-sensitive!

<SCRIPT Language=vbscript>
Sub JumpToURL(sURL)
    window.location.href = myURL
End Sub
</SCRIPT>

-- though more simply --
<input type="button" name="ShowAllReports" value="Show ALL Reports"
    OnClick="window.location.href = 'http://www.yahoo.com'">