function getTreeId( pNode )
{
	var str = "";
	var ids = pNode.parentNode.parentNode.parentNode.id.split("_");

	for ( var i = 3; i < ids.length; i++ )
		str += ids[i]+"_";

	document.forms['compose'].tree_id.value = str.substr(0,str.length-1);
	document.forms['compose'].tree_parent.value = pNode.childNodes[0].nodeValue;
}