/* slide */
// 焦点图切换
var currslid = 0;
var slidint;
function setfoc(id) {
	currslid = id;
	for(var i = 0 ; i < cnum ; i++ ) {
		document.getElementById("fpic"+i).className = i == id ? "active" : "";
		document.getElementById("ftmb"+i).className = i == id ? "active" : "";
	};
}
function playnext(){
	if(currslid == (cnum-1)) {
		currslid = 0;
	} else {
		currslid++;
	}
	setfoc(currslid);
};
function playit() {
	slidint = setInterval(playnext,3000);
	var h = '';
	for (i = 0; i < cnum ; i++ ) {
		h += "<span id='ftmb" + i + "' onmouseover='setfoc(" + i + ");'>" + (i+1) + "</span>"
	}
	document.getElementById("picBtn").innerHTML = h;
	document.getElementById("fpic"+currslid).className = "active";
	document.getElementById("ftmb"+currslid).className = "active";
};

/* 头部广告图切换
var adid = 0;
var adSlidint;
function adsetfoc(id) {
	var fbigpic = document.getElementById("fbigpic");
	document.getElementById("fbigpic").src = picarry[id];
	document.getElementById("fbiglink").href = lnkarry[id];

	adid = id;
	for(var i = 0 ; i < 3 ; i++ ) {
		document.getElementById("tmb"+i).className = i == id ? "active" : "";
	};
	fbigpic.style.visibility = "hidden";
	if (document.all) fbigpic.filters[0].Apply();

	if (fbigpic.style.visibility == "visible") {
		fbigpic.style.visibility = "hidden";
		if (document.all) fbigpic.filters.revealTrans.transition = 12;
	} else {
		fbigpic.style.visibility = "visible";
		if (document.all) fbigpic.filters[0].transition=12;
	}

	if (document.all) fbigpic.filters[0].Play();
}

function adplaynext(){
	if(adid == 2){
		adid = 0;
	} else {
		adid++;
	};
	adsetfoc(adid);
};
function adplayit() {
	adSlidint = setInterval(adplaynext,4000);
};
*/

// 头部广告图切换
var adid = 0;
var adSlidint;
function adsetfoc(id) {
	var fbigpic = document.getElementById("adPicBox");
	fbigpic.innerHTML = picarry[id];

	adid = id;
	for(var i = 0 ; i < 5 ; i++ ) {
		document.getElementById("tmb"+i).className = i == id ? "active" : "";
	};

}
function adplaynext(){
	if(adid == 4){
		adid = 0;
	} else {
		adid++;
	};
	adsetfoc(adid);
};
function adplayit() {
	adSlidint = setInterval(adplaynext,5000);
};