Menu Links to open in same tab of Internet Explorer

To open the link in same tab of Internet explorer.

<asp:menuitem navigateurl="http://projects.spdev.com/HR/Pages/Mission.aspx"
              text="<h4><br/>Mission<br/><br/></h4>"
              tooltip="Mission" target="_self"/>
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To open the link in another tab of Internet explorer.
           
<asp:menuitem navigateurl="http://projects.spdev.com/HR/policies/default.aspx"
              text="<h4>Policies & Forms<br/><br/></h4>"
              tooltip="Policies & Forms" target="_blank"/>

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