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docs/interrupts/int-html/rb-5529.htm
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docs/interrupts/int-html/rb-5529.htm
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<HTML>
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<HEAD>
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<TITLE>Int 2F/AX=D44Dh
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 2F/AX=D44Dh - 4DOS.COM v2.1+ - API -
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AX = D44Dh
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BH = function
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00h installation check
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Return: AX = 44DDh
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BL = major version number
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BH = minor version number
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CX = PSP segment address for current invocation
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DL = 4DOS shell number (0 for the first (root) shell,
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updated each time a new copy is loaded)
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01h (internal, v2.1-3.03) terminate current copy of 4DOS
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">
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<META NAME="robots" CONTENT="none">
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</HEAD>
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<BODY BGCOLOR="#FFD0A0">
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<center>
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<h2>Int 2F/AX=D44Dh
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</h2>
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</center><p>
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<table border=1 cellpadding=3 cellspacing=1>
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<td>
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<a href="rb-5528.htm" tppabs="http://www.ctyme.com/intr/rb-5528.htm">
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<img src="lup.gif" tppabs="http://graphics.ctyme.com/gif/lup.gif" border=0 alt=Prev></a>
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<a href="rb-5530.htm" tppabs="http://www.ctyme.com/intr/rb-5530.htm">
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<img src="ldown.gif" tppabs="http://graphics.ctyme.com/gif/ldown.gif" border=0 alt=Next></a>
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<a href="javascript:if(confirm('http://www.ctyme.com/rbrown.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/rbrown.htm'" tppabs="http://www.ctyme.com/rbrown.htm">
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<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
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<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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</td></table><p>
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<h3><font color=#C00040>4DOS.COM v2.1+ - API</font></h3>
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<PRE>
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AX = D44Dh
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BH = function
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00h installation check
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<p><b>Return:</b><br>AX = 44DDh
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BL = major version number
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BH = minor version number
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CX = PSP segment address for current invocation
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DL = 4DOS shell number (0 for the first (root) shell,
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updated each time a new copy is loaded)
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01h (internal, v2.1-3.03) terminate current copy of 4DOS
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<p><b>Return:</b><br>Nothing
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(internal, v4.0+) ???
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<p><b>Return:</b><br>AX = 44DDh
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ES:BX -> data area <a href="rb-5529.htm#Table3086" tppabs="http://www.ctyme.com/intr/rb-5529.htm#Table3086">(see #03086)</a>
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02h ???
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DX = ???
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</PRE>
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<p><b>Note:</b>
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V5.52 signals "unrecoverable error" and then terminates
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with INT 21/AH=4Ch or enters a deliberate infinite
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loop if ???.
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---v2.1-3.03 only---
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03h EXEC program
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CX:DX -> EXEC record <a href="rb-5529.htm#Table3087" tppabs="http://www.ctyme.com/intr/rb-5529.htm#Table3087">(see #03087)</a>
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FEh deallocate shell number (passed through to root shell)
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???
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FFh allocate shell number (passed through to root shell).
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---v5.52---
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03h get ???
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BL = ??? (00h/01h)
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<PRE>
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<p><b>Return:</b><br>DX = current value of ???
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04h set ???
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BL = ??? (00h/01h)
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DX = new value for ???
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</PRE>
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<p><b>Note:</b>
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A bug in v3.00 will crash the system if unrecognized value in BH
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<p><b>See Also:</b>
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<a href="rb-5530.htm" tppabs="http://www.ctyme.com/intr/rb-5530.htm">AX=D44Eh</a> - <a href="rb-5531.htm" tppabs="http://www.ctyme.com/intr/rb-5531.htm">AX=D44Fh/BX=0000h</a> - <a href="rb-5648.htm" tppabs="http://www.ctyme.com/intr/rb-5648.htm">AX=E44Dh</a> - <a href="rb-2854.htm" tppabs="http://www.ctyme.com/intr/rb-2854.htm">INT 2
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<p><b>See Also:</b>
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<a href="rb-1004.htm" tppabs="http://www.ctyme.com/intr/rb-1004.htm">INT 14/AX=7000h</a>
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<PRE>
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<p><b>Index:</b><br>Installation check;4DOS|installation check;NDOS
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<p>
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Format of 4DOS v4.0 data area:
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<a name=table3086></a>
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Offset Size Description (Table 03086)
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00h 2 BYTEs ???
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06h WORD XMS handle for swapping.
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???
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</PRE>
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<p><b>See Also:</b>
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#03087
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<PRE>
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<p>
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Format of 4DOS EXEC v2.1-v3.03 record:
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<a name=table3087></a>
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Offset Size Description (Table 03087)
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00h WORD offset of ASCIZ program name in same segment as EXEC record
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02h WORD offset of DOS commandline in same segment as EXEC record
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04h WORD segment of environment for child process (see INT 21/AH=26h)
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</PRE>
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<p><b>See Also:</b>
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#03086
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<p>
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<b>Category: <a href="cat-039.htm" tppabs="http://www.ctyme.com/intr/cat-039.htm">
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Shells/Command Interpreters</a>
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- <a href="int-2f-1.htm" tppabs="http://www.ctyme.com/intr/int-2F.htm">
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Int 2Fh</a>
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- <a href="alpha-@.htm" tppabs="http://www.ctyme.com/intr/alpha-@.htm">
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@</a>
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</b><p><p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<table border=1 cellpadding=3 cellspacing=1>
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<td>
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<a href="rb-5528.htm" tppabs="http://www.ctyme.com/intr/rb-5528.htm">
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<img src="lup.gif" tppabs="http://graphics.ctyme.com/gif/lup.gif" border=0 alt=Prev></a>
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<a href="rb-5530.htm" tppabs="http://www.ctyme.com/intr/rb-5530.htm">
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<img src="ldown.gif" tppabs="http://graphics.ctyme.com/gif/ldown.gif" border=0 alt=Next></a>
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<a href="javascript:if(confirm('http://www.ctyme.com/rbrown.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/rbrown.htm'" tppabs="http://www.ctyme.com/rbrown.htm">
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<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
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<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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</td></table><p>
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<!-- Bottom Link Start -->
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<center>
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<p><table border=1 bgcolor="#ffff99"><tr><td>
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<table border=0 height=80>
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<tr align=center><td width="65">
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<a href="javascript:if(confirm('http://www.ctyme.com/sponsor.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/sponsor.htm'" tppabs="http://www.ctyme.com/sponsor.htm">
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<img src="tip.gif" tppabs="http://graphics.ctyme.com/gif/tip.gif" ALT="Sponsors" height="40" width="40"></a>
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<br><a href="javascript:if(confirm('http://www.ctyme.com/sponsor.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/sponsor.htm'" tppabs="http://www.ctyme.com/sponsor.htm">Shopping</a>
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</td><td width="65">
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<a href="javascript:if(confirm('http://talk.ctyme.com/webx.cgi?13@@.ee6b2be \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://talk.ctyme.com/webx.cgi?13@@.ee6b2be'" tppabs="http://talk.ctyme.com/webx.cgi?13@@.ee6b2be">
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<img src="comment.gif" tppabs="http://graphics.ctyme.com/gif/comment.gif" ALT="Forum" height="40" width="40"></a>
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<br><a href="javascript:if(confirm('http://talk.ctyme.com/webx.cgi?13@@.ee6b2be \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://talk.ctyme.com/webx.cgi?13@@.ee6b2be'" tppabs="http://talk.ctyme.com/webx.cgi?13@@.ee6b2be">Forum</a>
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</td><td width="65">
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<a href="javascript:if(confirm('http://www.ctyme.com/mail.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/mail.htm'" tppabs="http://www.ctyme.com/mail.htm">
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<img src="mail.gif" tppabs="http://graphics.ctyme.com/gif/mail.gif" ALT="email" height="40" width="40"></a>
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<br><a href="javascript:if(confirm('http://www.ctyme.com/mail.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/mail.htm'" tppabs="http://www.ctyme.com/mail.htm">EMail</a>
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</td><td width="65">
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<a href="javascript:if(confirm('http://www.ctyme.com/map.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/map.htm'" tppabs="http://www.ctyme.com/map.htm">
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<img src="toc.gif" tppabs="http://graphics.ctyme.com/gif/toc.gif" ALT="Index" height="40" width="40"></a>
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<br><a href="javascript:if(confirm('http://www.ctyme.com/map.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/map.htm'" tppabs="http://www.ctyme.com/map.htm">Index</a>
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</td><td width="65">
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<a href="javascript:if(confirm('http://www.ctyme.com/ \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/'" tppabs="http://www.ctyme.com/">
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<img src="home.gif" tppabs="http://graphics.ctyme.com/gif/home.gif" ALT="Home" height="40" width="40"></a>
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<br><a href="javascript:if(confirm('http://www.ctyme.com/ \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/'" tppabs="http://www.ctyme.com/">Home</a>
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</td><td width="90">
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<center>
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<FORM ACTION="https://secure.paypal.com/cgi-bin/webscr" tppabs="https://secure.paypal.com/cgi-bin/webscr" METHOD="POST" traget="_blank">
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<INPUT TYPE="hidden" NAME="cmd" VALUE="_xclick">
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<INPUT TYPE="hidden" NAME="business" VALUE="marc@perkel.com">
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<INPUT TYPE="hidden" NAME="return" VALUE="http://www.perkel.com">
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<INPUT TYPE="hidden" NAME="item_name" VALUE="Donation To Support this Site">
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<INPUT TYPE="hidden" NAME="no_intl" VALUE="1">
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<INPUT TYPE="image" SRC="x-click-but7.gif" tppabs="http://images.paypal.com/images/x-click-but7.gif" vspace=9
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NAME="submit" ALT="Make payments with PayPal - it's fast, free and secure!">
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</FORM>
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</td></tr></table></td></tr></table><p>
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<center>
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<p>
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<a href="javascript:if(confirm('http://www.ctyme.com/hosting/index.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/hosting/index.htm'" tppabs="http://www.ctyme.com/hosting/index.htm" target="_blank">
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<img src="ctymehost.gif" tppabs="http://graphics.ctyme.com/gif/ctymehost.gif"
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border=3 height=60 width=468></a>
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<p>
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<!-- Ad End --->
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</center>
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<FORM ACTION="http://service.bfast.com/bfast/click" target="_blank">
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<INPUT TYPE="hidden" NAME="siteid" VALUE="30472466" >
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<INPUT TYPE="hidden" NAME="bfpage" VALUE="horizontal">
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<INPUT TYPE="hidden" NAME="bfmid" VALUE="27253343" >
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<INPUT TYPE="hidden" NAME="num" VALUE="30">
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<table bgcolor=white border=3><tr><td>
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<table bgcolor=white border=0>
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<tr><td>
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<IMG SRC="serve-bfmid=27253343&siteid=30472466&bfpage=horizontal.gif" tppabs="http://service.bfast.com/bfast/serve?bfmid=27253343&siteid=30472466&bfpage=horizontal" BORDER="0" WIDTH="1" HEIGHT="1" align=right NOSAVE >
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<center><b>Search the web with Google</b></center>
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</td></tr><tr><td>
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<TABLE cellpadding=0 cellspacing=5 bgcolor="#FFFFFF">
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<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr><tr><td>
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<IMG SRC="affiliate_logo.gif" tppabs="http://www.google.com/affiliates/affiliate_logo.gif" border="0" ALT="Google" align="center">
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<INPUT TYPE=text name=q size=30 maxlength=255 value="">
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<INPUT type=submit name=sa VALUE="Go">
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</td></tr>
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<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr></TABLE>
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</td></tr></table>
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</tr></td></table>
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</FORM>
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</center>
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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</BODY>
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</HTML>
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