// JavaScript Document

function ChangeTree(thisDom)
{
	var OoTreeTitle = document.getElementById("xiala_border").getElementsByTagName("div");
	var OoTreeContent = document.getElementById("xiala_border").getElementsByTagName("p");
	for(i=0;i<OoTreeTitle.length;i++)
	{
		OoTreeTitle[i].className="tree_close";
		OoTreeContent[i].style.display="none";
	}
	OoTreeTitle[thisDom].className="tree_open";
	OoTreeContent[thisDom].style.display="block";
}