//<![CDATA[
//Nobody want these function in their place

function click_node(id){
	var el = $(id);
	if(el.style.height){
		el.childNodes[0].innerHTML='[-]';
		el.style.height='';
	}else{
		el.childNodes[0].innerHTML='[+]';
		el.style.height='1.8em';
		
	}
}

//]]>