uploadImage( "my_pix.jpg", "image/jpeg", 500000, "./images/", 'thumb-image' );

<form enctype="multipart/form-data" action="/hailee/admin.php?page=9" method="POST">
      <td><input type="text" name="img-path" value="" /></td>
      <td><input type="text" name="thumb-path" value="" /></td>
      <td><input type="text" name="caption" value="" /></td>

      <td><input type="text" name="alt" value="" /></td>
      <td><input type="submit" value="add" name="submit_add" /></td>
      <br />
   </tr>
   <tr>
      <td colspan="2" >Upload Full Picture (.jpg) : <input type="file" name="full-image" /></td>
      <td colspan="2" >Upload Thumbnail Picture (.jpg) : <input type="file" name="thumb-image" /></td>
      <td><input type="button" value="Populate" onclick="populate()" /></td>

      </form>

// ***********************************************************
// ** uploadImage() - function
// **
// **     This function will upload an image to sever it requires:
// **    name = { name to call image as name.ext }
// **             or "OFF" if you dont want to change the name.
// **    type = { ext type allowed: image/ext }
// **             it will exect an array of allowed image types in the "image/ext" format.
// **    maxsize = { a number in bytes that is allowed }
// **    path = { a path to the directory to upload image to }
// **    formName = { name of the <input type="file"> field }
// **   optional chmod = { file permisions for the file that is uploaded defaults to 644 or lrw-r-r
// **
// ***********************************************************

function uploadImage ( $name, $type, $maxsize, $path, $formName, $chmod = 0644 )
{
    $tempPic = basename( $_FILES[$formName]['name'] );
    $extion = substr( $tempPic,strrpos($tempPic,"."),strlen($tempPic)-strrpos($tempPic,"."));
    $isMatch = false; // this varible is use to validate image types
    
    // Checking to see if user wants a specific name used
    if( strcmp( strtolower( $name ), "off") == 0 )
    {    
        $picName = $tempPic;
    }
    else
    {
        // check to see if user explisitly chose an ext
        if ( strpos( $name, ".") )
        {
            $picName = $name;
        }
        // if not then attach extention that was originally associated with the file
        else
        {
            $picName = $name . $extion;
        }
    }
    
    // check to see if an Array was supplied for multiple types
    if( is_array( $type ))
    {
        foreach ($type as $value)
        {
            // if the image type matchs one of the types supplied then set the flag
            if( $value == $_FILES[$formName]['type'] )
            {
                $isMatch = true;
            }
        }
    }
    else
    {
        // $type is not an array; check to see if it matches the image type
        if ( $type == $_FILES[$formName]['type'] )
        {
            $isMatch = true;
        }
    }
    
    // check if image type matched if not exit function
    if ( !$isMatch )
    {
        $errorMessage = "Wrong File Type";
        return $errorMessage;
    }
    
    // check to see if image is with in allowed memory size
    if ( $_FILES[$formName]['size'] > $maxsize && $maxsize > 0 )
    {
        $errorMessage = "File exceeds Maximum Size Allowed";
        return $errorMessage;
    }
    
    // set path up with the proper name
    $path .= $picName;
    // move the file from temp directory to the real directory
    if( move_uploaded_file($_FILES[$formName]['tmp_name'], $path) )
    {
        chmod( $path, $chmod );
        return $extion;
    }
    else
    {
        $errorMessage = "Error: could not move the file from temporary directory ";
        return $errorMessage;
    }
}