在<body></body>之间加入以下代码：
<SCRIPT language=JavaScript>
<!-- bubbles Script by zlzy.zlzy@yanglang.org
Image0=new Image();
Image0.src="img/die.gif";
Amount=15;
Ypos=new Array();
Xpos=new Array();
Speed=new Array();
rate=new Array();
grow=new Array();
Step=new Array();
Cstep=new Array();
nsSize=new Array();
ns=(document.layers)?1:0;
WinHeight=(document.layers)?window.innerHeight:window.document.body.clientHeight;
WinWidth=(document.layers)?window.innerWidth:window.document.body.clientWidth;
for (i=0; i < Amount; i++){
Ypos[i] = Math.round(Math.random()*WinHeight);
Xpos[i] = Math.round(Math.random()*WinWidth);
Speed[i]= Math.random()*4+4;
Cstep[i]=0;
Step[i]=Math.random()*0.1+0.05;
grow[i]=10;
nsSize[i]=Math.random()*15+5;
}
if (ns){
for (i = 0; i < Amount; i++){
document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0><img src="+Image0.src+" name='N' width="+nsSize[i]+" height="+nsSize[i]+"></LAYER>");
}
}
else{
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i = 0; i < Amount; i++){
document.write('<img id="si" src="'+Image0.src+'" style="position:absolute;top:0px;left:0px;filter:alpha(opacity=60)">');
}
document.write('</div></div>');
}
function bubbles(){
var WinHeight=(document.layers)?window.innerHeight:window.document.body.clientHeight;
var WinWidth=(document.layers)?window.innerWidth:window.document.body.clientWidth;
var hscrll=(document.layers)?window.pageYOffset:document.body.scrollTop;
var wscrll=(document.layers)?window.pageXOffset:document.body.scrollLeft;
for (i=0; i < Amount; i++){
sy = Speed[i]*Math.sin(270*Math.PI/180);
sx = Speed[i]*Math.cos(Cstep[i]);
Ypos[i]+=sy;
Xpos[i]+=sx;
rate[i]=0.4;
if (Ypos[i] < -50){
Ypos[i]=WinHeight+50;
Xpos[i]=Math.round(Math.random()*WinWidth);
Speed[i]=Math.random()*4+6;
grow[i]=2;
nsSize[i]=Math.random()*15+5;
}
if (ns){
document.layers['sn'+i].left=Xpos[i]+wscrll;
document.layers['sn'+i].top=Ypos[i]+hscrll;
}
else{
si[i].style.pixelLeft=Xpos[i]+wscrll;
si[i].style.pixelTop=Ypos[i]+hscrll;
si[i].style.width=grow[i];
si[i].style.height=grow[i];
}
grow[i]+=rate[i];
Cstep[i]+=Step[i];
if (grow[i] > 24) grow[i]=25;
}
setTimeout('bubbles()',10);
}
bubbles();
//-->
</SCRIPT>
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