//===== BLACK LAYER =====//
var intSlide;
var intSlidM;
var currSlide = 1;
var currSlidM = 1;
var int; //variable of interval id
var inm; //variable of interval id
var fadeID = "";
var fadeIM = "";

var ap1 = 0;
var ap2 = 0;
var mzindex = 350;
var mhindex = 500;

function easE(a,b,m_speed){
	a = Math.ceil(a);
	b = Math.floor(b);
	var dis = Math.ceil(Math.abs((b-a)/m_speed));
	a += a<b ? dis : 0-dis;
	if (Math.abs(b-a) < 1) {
		a = b;
	}
	return a;
}

function alphas(n,div){
	var element = document.getElementById(div);
	if(navigator.appName == "Netscape"){
		element.style.opacity = (parseInt(n)/100); 
	} else {
		element.style.filter = 'alpha(opacity = ' + n + ')';
	}
}
function showList(){
	ap2  = easE(ap2,100,8);
	alphas(ap2,fadeID);
}
function showSldm(){
	ap1 = easE(ap1,100,8);
	alphas(ap1,fadeIM);
}

function moveSlide(){
	currSlide++;
	mhindex++;
	currSlide = currSlide>countHSlide ? 1 : currSlide ;
	fadeID = "sdpHead"+currSlide;
	var element = document.getElementById(fadeID);
	alphas(0,fadeID);
	element.style.zIndex = mhindex;
	ap2 = 0;
	clearInterval(int);
	int = window.setInterval("showList()",15);
}
function moveSlidM(){
	currSlidM++;
	mzindex++;
	currSlidM = currSlidM>countMSlide ? 1 : currSlidM ;
	fadeIM = "sdp"+currSlidM;
	var element = document.getElementById(fadeIM);
	alphas(0,fadeIM);
	element.style.zIndex = mzindex;
	ap1 = 0;
	clearInterval(inm);
	inm = window.setInterval("showSldm()",15);
}
function intHomeSlide(){
	intSlide = window.setInterval("moveSlide()",5000); //ตั้งเวลา slide header
	if(countMSlide>1){
		intSlidM = window.setInterval("moveSlidM()",8000); //ตั้งเวลา slide อันกลาง 
	}
}
//===== BLACK LAYER =====//

function signIn(){
	var obj1 = document.getElementById("signinpaneCon");
	var obj2 = document.getElementById("signinpane");
	obj1.style.display = obj1.style.display == "none" ? "" : "none" ;
	obj2.style.display = obj1.style.display;
}
function ForgetPassword(){
	document.getElementById("signinpane").innerHTML = "";
	ajax("aj_forget","","signinpane");
}
function returnLogin(){
	document.getElementById("signinpane").innerHTML = "";
	ajax("aj_member","","signinpane");
}

function chkLogin(f){
	if(f.email.value.length<1){
		f.email.focus();
		alert('กรุณาระบุ Email');
		return false;
	}
	if(f.password.value.length<1){
		f.password.focus();
		alert('กรุณาระบุ Password');
		return false;
	}
	return true;
}

function closeCom(){
	document.getElementById('orderComplete').style.display = "none";
	document.getElementById('orderCompleteBG').style.display = "none";
}