function initNodes()
{
	var uls = document.getElementsByTagName("ul");
	var i;
		for(i = 0; i < uls.length; i++)
			if(uls[i].id != "left_menu")
			uls[i].style.display = "none";

}

function clickNode(id)
{
	var node = document.getElementById(id);
		if(node.style.display == "none")
			node.style.display = "block";
		else
			node.style.display = "none";
		return false;
}


function dispNode(id)
{
	var node = document.getElementById(id);
	alert(node);
			node.style.display = "block";
		return false;
}