//特效文件
nereidFadeObjects = new Object();  
nereidFadeTimers = new Object(); 
function MouseOut(object, destOp, rate, delta)
{
    nereidFade(object,destOp,rate,delta);
}

function MouseOver(object, destOp, rate, delta)
{
    if(typeof(object)!="object")
    {
        object = document.getElementById(object);
     }
    object.style.display="block";
    nereidFade(object,destOp,rate,delta);
}

function nereidFade(object, destOp, rate, delta)
{
    if (!document.all)
    {
        if(destOp==0)
        object.style.display="none";
        return ;
    }
    if (object != "[object]")
    {
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);  
        return;  
    }
    clearTimeout(nereidFadeTimers[object.sourceIndex]); 
    diff = destOp-object.filters.alpha.opacity;  
    direction = 1;
    if (object.filters.alpha.opacity > destOp)
    {  
        direction = -1;
    }  
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;
    if (object.filters.alpha.opacity != destOp)
    {  
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
    else
    {
        if(direction<0)
            object.style.display="none";
    }
}

function AddFavorite(sURL, sTitle)
{
    try
    {
        window.external.addFavorite(sURL, sTitle);
    }
    catch (e)
    {
        try
        {
            window.sidebar.addPanel(sTitle, sURL, "");
        }
        catch (e)
        {
            alert("您的浏览器不支持用客户端程序加为收藏。");
        }
    }
}
var isPlay=false;
function MusicPlay()
{
    if(isPlay)
    {
        stopmid();
        isPlay=!isPlay;
    }
    else
    {
        playmid();
        isPlay=!isPlay;
    }
}
function playmid()
{   
  BGMusic.src="./Music/bgmusic.mp3";
}   
function stopmid()
{   
  BGMusic.src="";
}