var total;//定义flash影片总桢数
var frame_number;//定义flash影片当前桢数

//以下是滚动条图片拖动程序
var dragapproved = false;
var z, x, y;
//移动函数
function move() {
	if (event.button == 1 && dragapproved) {
		y = temp1 + event.clientX - x;
//以下是控制移动的范围
		if (y < 0) {
			y = 0;
		}
		if (y > 420) {
			y = 420;
		}
		z.style.pixelLeft = y;
		movie.GotoFrame(y / 420 * total);//移动到某一位置，flash影片播放到某个位置
		return false;
	}
}
//获得拖动前初始数据的函数
function drags() {
	if (!document.all) {
		return;
	}
	if (event.srcElement.className == "drag") {
		dragapproved = true;
		z = event.srcElement;
		temp1 = z.style.pixelLeft;
		x = event.clientX;
		document.onmousemove = move;
	}
}

//动态显示播放影片的当前桢/总桢数
function showcount() {
	
	if(document.getElementById("frameCount")!=null){
		frame_number = movie.CurrentFrame();
		frame_number++;
		frameCount.innerText = frame_number + "/" + movie.TotalFrames;
		element.style.pixelLeft = 420 * (frame_number / movie.TotalFrames);//滚动条图片随之到相应的位置
		if (frame_number == movie.TotalFrames) {
			clearTimeout(tn_ID);
		} else {
			var tn_ID = setTimeout("showcount();", 1000);
		}
	}
		
}
//使影片返回第一帧 
function Rewind() {
	if (movie.IsPlaying()) {
		Pause();
	}
	movie.Rewind();
	element.style.pixelLeft = 0;
	if(document.getElementById("frameCount")!=null){
		frameCount.innerText = "1/" + total;
	}
}
//播放影片 
function Play() {
	movie.Play();
	showcount();
}
//暂停播放
function Pause() {
	movie.StopPlay();
}

//跳至最末帧
function GoToEnd() {
	if (movie.IsPlaying()) {
		Pause();
	}
	movie.GotoFrame(total);
	element.style.pixelLeft = 420;
	frameCount.innerText = total + "/" + total;
}
//快退影片
function Back() {
	if (movie.IsPlaying()) {
		Pause();
	}
	frame_number = frame_number - 50;
	movie.GotoFrame(frame_number);
	Play();
}
//快进影片
function Forward() {
	if (movie.IsPlaying()) {
		Pause();
	}
	frame_number = frame_number + 50;
	movie.GotoFrame(frame_number);
	Play();
}
//重新播放影片
function Replay() {
	if (movie.IsPlaying()) {
		Pause();
		movie.Rewind();
		Play();
	} else {
		movie.Rewind();
		Play();
	}
}
//停止播放影片返回到第一桢
function Stop() {
	if (movie.IsPlaying()) {
		Pause();
		movie.Rewind();
	} else {
		movie.Rewind();
	}
}
//显示影片载入进度，完全载入后控制按钮可用
function jindu() {
	if(document.getElementById("bar")!=null){
		var in_ID;
		bar.style.width = Math.round(movie.PercentLoaded()) + "%";
		frameCount.innerText = Math.round(movie.PercentLoaded()) + "%";
		if (movie.PercentLoaded() == 100) {
			//ctlButtons.document.all.tags("IMG")[0].disabled = false;
			//ctlButtons.document.all.tags("IMG")[1].disabled = false;
			//ctlButtons.document.all.tags("IMG")[2].disabled = false;
			//ctlButtons.document.all.tags("IMG")[3].disabled = false;
			//ctlButtons.document.all.tags("IMG")[4].disabled = false;
			//ctlButtons.document.all.tags("IMG")[5].disabled = false;
			//ctlButtons.document.all.tags("IMG")[6].disabled = false;
			//ctlButtons.document.all.tags("IMG")[7].disabled = false;
			//ctlButtons.document.all.tags("IMG")[8].disabled = false;
			total = movie.TotalFrames;
			frame_number++;
			frameCount.innerText = frame_number + "/" + total;
			bar.style.background = "";
	  		//bar.style.width="0%"
			bar.innerHTML = "<img src=\"../web/js/player/posbar1.gif\" style=\"cursor:hand;border:0;\" id=\"element\" class=\"drag\" OnMouseOver=\"fnOnMouseOver()\" OnMouseOut=\"fnOnMouseOut()\">";
			document.onmousedown = drags;
			document.onmouseup = new Function("dragapproved=false;Play()");
			showcount();
			clearTimeout(in_ID);
		} else {
			in_ID = setTimeout("jindu();", 1000);
		}
	}
}

//开始载入flash影片，载入过程中，播放控制按钮不可用
function loadSWF(fsrc, fwidth, fheight) {
	movie.LoadMovie(0, fsrc);
	movie.width = fwidth;
	movie.height = fheight;
	//ctlButtons.document.all.tags("IMG")[0].disabled = true;
	//ctlButtons.document.all.tags("IMG")[1].disabled = true;
	//ctlButtons.document.all.tags("IMG")[2].disabled = true;
	//ctlButtons.document.all.tags("IMG")[3].disabled = true;
	//ctlButtons.document.all.tags("IMG")[4].disabled = true;
	//ctlButtons.document.all.tags("IMG")[5].disabled = true;
	//ctlButtons.document.all.tags("IMG")[6].disabled = true;
	//ctlButtons.document.all.tags("IMG")[7].disabled = true;
	//ctlButtons.document.all.tags("IMG")[8].disabled = true;
	frame_number = movie.CurrentFrame();
	jindu();
	//Stop();
}
//显示层函数
function showMenu(menu) {
	menu.style.display = "block";
}

//鼠标点击滚动条上的位置，影片相应播放到那个位置
function Jump(fnume) {
	if (movie.IsPlaying()) {
		Pause();
		movie.GotoFrame(fnume);
		Play();
	} else {
		movie.GotoFrame(fnume);
		Play();
	}
}

//以下两个函数是图片切换函数
function fnOnMouseOver() {
	element.src = "../web/js/player/posbar.gif";
}
function fnOnMouseOut() {
	element.src = "../web/js/player/posbar1.gif";
}