gan_node_html.php
function moveChildren($to, &$new_index = -1, $start = 0, $end = -1) {
	#php5e
		if ($end < 0) {
			$end += count($this->children);
		}
		for ($i = $start; $i <= $end; $i++) {
			$this->children[$start]->changeParent($to, $new_index);
		}
	}
function moveChildren($to, &$new_index = -1, $start = 0, $end = -1) {
	#php5e
		if ($end < 0) {
			$end += count($this->children);
		}
		for ($i = $start; $i <= $end; $i++) {
			$this->children[$start]->changeParent($to, $new_index);
		}
	}
#php5