// JavaScript Document
function MM_findObj(n, d) { //v4.01
	var p,i,x;  
	if(!d) d=document; 
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n]; 
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n); 
	return x;
}

function MM_showHideLayers() { //v6.0
var i,p,v,obj,args=MM_showHideLayers.arguments;
for (i=0; i<(args.length-2); i+=3) 
	if ((obj=MM_findObj(args[i]))!=null) {
		v=args[i+2];
		if (obj.style) {
			obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; 
		}
		obj.visibility=v; 
	}
}
//-->
var auto_change = 1;
var i = 0;
function mouse_on(n)
{
	auto_change = 0;
	i = n;
	change_menu('xztc_menu','xztc_content',n,4,'on','off');
}

function mouse_out()
{
	auto_change = 1;
}
function run()
{
	if(auto_change == 1)
	{
		i = i%4+1;
		change_menu('xztc_menu','xztc_content',i,4,'on','off');
	}
}

function startchange()
{
	auto_change = 1;
 	window.setInterval("run()",3000);
}