function add_query_arg() {
$ret = '';
if ( is_array( func_get_arg(0) ) ) {
if ( @func_num_args() < 2 || false === @func_get_arg( 1 ) )
if ( get_bloginfo('url') != '' )
$uri = bloginfo('url') . $_SERVER['REQUEST_URI'];
else
$uri = $_SERVER['REQUEST_URI'];
else
$uri = @func_get_arg( 1 );
} else {
if ( @func_num_args() < 3 || false === @func_get_arg( 2 ) )
if ( get_bloginfo('url') != '' )
$uri = bloginfo('url') . $_SERVER['REQUEST_URI'];
else
$uri = $_SERVER['REQUEST_URI'];
else
$uri = @func_get_arg( 2 );
}