var TimeOpen = 9;
var TimeClose = 21;
var Banners = [
	"/parts/phone_tz0.png",
	"/parts/phone_tz1.png",
	"/parts/phone_tz2.png"];
var ImageObjs = [];

function preload(ary) {
	if (ary.length == 0) return;
	for(i=0; i<ary.length; ++i) {
		var img = new Image();
		img.src = ary[i];
		ImageObjs.push(img);
	}
}
function getPhoneBannerNumber() {
	var t = new Date();
	var h = t.getHours();
	var d = t.getDay();
	var n = 1;

	n = (h>=TimeOpen && h<TimeClose) ? 1 : 2;
	var tg = document.getElementById("ccbanner");
	tg.src = Banners[n];
	return;
}
function init(st) {
	var t = new Date();
	var ct = Math.floor(t.getTime()/1000);

	preload(Banners);
	// new year holiday
	if ((t.getMonth() == 0 && t.getDate() <= 4) || (t.getMonth() == 11 && t.getDate() >= 29)) {
		var tg = document.getElementById("ccbanner");
		tg.src = Banners[0];
		return;
	}
	if (Math.abs(st-ct) < 600){
		setInterval("getPhoneBannerNumber()", 60000);
		getPhoneBannerNumber();
	}
}