How to login in SharePoint FBA site from another ASP.NET Site ?

   1: <form name="Form1" method="post" action="http://localhost:1643/CommonAutheticationCookie/NTLMLogIn.aspx?ReturnUrl=%2fCommonAutheticationCookie%2fdefault.aspx" id="Form1">

   2: <div>

   3: <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwUKMTIyOTQ2NTA3MmRk3x68MhAJJka37xjE++p7nmfpDUg=" />

   4: </div>

   5:  

   6:     

   7:     <HR width="100%" SIZE="1">

   8:     <DIV style="DISPLAY: inline; WIDTH: 464px; HEIGHT: 32px" ms_positioning="FlowLayout"

   9:      id="lblStatus">Please Enter your User name and password!</DIV>

  10:        <P>Domain Name :

  11:                     <input name="txtDomainName" type="text" id="txtDomainName" value="ANOMALY" />

  12:                     <br />

  13:                 User Name:

  14:     <input name="txtUserName" type="text" id="txtUserName" value="nm" />

  15:     <BR>

  16:     Password:

  17:     <input name="txtPassword" type="text" id="txtPassword" value="pass2word!"/>

  18:     </P>

  19:    <P>

  20:     <input type="submit" name="butLogIn" value="Log In" id="butLogIn" />&nbsp;

  21:     <!--  -->&nbsp;

  22:     <input type="submit" name="butClear" value="Clear" id="butClear" /></P>

  23:                 <P>

  24:         <span id="lblError"></span>

  25:                 &nbsp;</P>

  26:   

  27: <div>

  28:  

  29:  <input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEWBgLMq6vVCAL9sO3VBgKl1bKzCQK1qbSRCwKUyOuxAQKfpfP1BBYQ7kXGVTMkWa1q0NVVdYFVrV2p" />

  30: </div></form>