Open IE Hyperlink In Active IE Instead Of New Instanc

What is the code to activate a hyperlink in an active IE window, new tab (IE7), as opposed to a new window, which is the result of:

Private Sub CommandButton14_CLICK()
Dim strClick1 As String
Dim strClick1default As String
Set WEBPAGE = CreateObject("InternetExplorer.Application")

strClick1default = Range("c51").Value
strClick1 = InputBox("Paste the weblink for the trace, or accept the default, and press OK to initiate the trace.", "ClickTrace", strClick1default)
Range("c51").Value = strClick1
If vbOK Then
With WEBPAGE
.Visible = True
.navigate strClick1
End With

End If
This code runs the hyperlink activation fine, but opens a new instance of IE, whereas I want it to use the already open and active instance, but using a new tab.