First, save this image to your image directory:

<!-- Paste in body -->

<script language="JavaScript">

<!-- bubbles Script by kurt.grigg@virgin.net

Image0=new Image();

Image0.src="bub21.gif";

Amount=20;

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>