function to upload a file

#******************************************************************************
# function to upload a file
#******************************************************************************

function fileupload($fname,$previous){
$filepath='../public';
if(!empty($_FILES[$fname]['name'])){
$imgname = $_FILES[$fname]['name'];
$ext = explode(".",microtime());
$imgname=$ext[1].$imgname;
$imgname=str_replace(' ','',$imgname);
move_uploaded_file($_FILES[$fname]['tmp_name'],"$filepath/$imgname") or die("Image Uploading failed");
}
else {
if(isset($previous)) $imgname=$previous;
else $imgname="N";
}
return $imgname;
}


#******************************************************************************