change line 55 and 65:
'DefaultFileName' => "".((isset($_POST["imagename"]))?$_POST["imagename"]:"") ."",
to:
'DefaultFileName' => "".((($_POST["deleteimage1"] != "delete"))?$_POST["imagename"]:"") ."",
change line 79 and 89:
'DefaultFileName' => "".((isset($_POST["imagename2"]))?$_POST["imagename2"]:"") ."",
to:
'DefaultFileName' => "".((($_POST["deleteimage2"] != "delete"))?$_POST["imagename2"]:"") ."",
and change line 103 and 113:
'DefaultFileName' => "".((isset($_POST["imagename3"]))?$_POST["imagename3"]:"") ."",
to:
'DefaultFileName' => "".((($_POST["deleteimage3"] != "delete"))?$_POST["imagename3"]:"") ."",