Animated Bats - Halloween

Flying Bats - Halloween - Script
This halloween script gives you animated Bats that flap and move around the web page,
then after set time they are gone. whhooo!!

In the demo dismiss time for bats = 30 seconds.
Configure your images and dismiss time in top of the script.

Also Ghosts and Cursor Bats

Here are some bat images you could use.
Be sure to copy them and load them into your directory
Right click on any of the images below and select "Save Picture As..."
Or you can use your own images in the same way!

Follow the editing instructions after the // and within the 
to customize the script, then copy and paste it into your HTML editor.

//////////CONFIGURE THE BATs SCRIPT HERE//////////////////

Bat.src="bat_1.gif";  // Specify path to your bat image
amount=3;  // Number of Bats, minimum must be 3
dismissafter=20;  // Seconds after which Bats should disappear, in seconds
step=0.3;  // Animation speed (smaller is slower)

//////////DO NOT EDIT PAST THIS LINE//////////////////

Xpos=700;  //Bats x coordinates, in pixel
Ypos=200;  //Bats y coordinates, in pixel

yBase=xBase=currStep=a_count=0;
b_count=1;
c_count=2;
d_count=3;
move=1;
if (document.layers||ns6){
yBase=window.innerHeight/3;
xBase=window.innerWidth/6;
if (document.layers)
window.captureEvents(Event.MOUSEMOVE);

}
if (document.all){
yBase = window.document.body.offsetHeight/3;
xBase = window.document.body.offsetWidth/6;
}

function dismissBat(){
clearInterval(flyBat)
if (document.layers){
for (i2=0; i2 < amount; i2++){
document.layers['n'+i2].visibility="hide"
}
}
else if (document.all)
document.all.out.style.visibility="hidden"
else if (ns6)
document.getElementById("out").style.visibility="hidden"
}

if (document.layers){
for (i=0; i < amount; i++)
document.layers['n'+i].document.images['nsi'].src=Bat.src
}
else if (document.all){
for (i=0; i < amount; i++)
document.all.msieBats[i].src=Bat.src
}
else if (ns6){
for (i=0; i < amount; i++)
document.getElementById("ns6Bats"+i).src=Bat.src
}

function Animate(){
a_count+=move;
b_count+=move;
c_count+=move;
currStep+=step;
if (a_count >= bats.length) a_count=0;
if (b_count >= bats.length) b_count=0;
if (c_count >= bats.length) c_count=0;
if (document.layers){
for (i=0; i < amount; i++) {
  var NewL="n"+i
  document.layers[NewL].top = Ypos+yBase*Math.sin(((currStep)+i*3.7)/4)*Math.cos((currStep+i*35)/10)
  document.layers[NewL].left =Xpos+xBase*Math.cos(((currStep)+i*3.7)/4)*Math.cos((currStep+i*35)/62)
  }
}

if (document.all){
for (i=0; i < amount; i++){
  document.all.msieBats[i].style.pixelTop = Ypos+yBase*Math.sin(((currStep)+i*3.7)/4)*Math.cos((currStep+i*35)/10)
  document.all.msieBats[i].style.pixelLeft =Xpos+xBase*Math.cos(((currStep)+i*3.7)/4)*Math.cos((currStep+i*35)/62)
 }
}

if (ns6){
for (i=0; i < amount; i++){
  document.getElementById("ns6Bats"+i).style.top = Ypos+yBase*Math.sin(((currStep)+i*3.7)/4)*Math.cos((currStep+i*35)/10)
  document.getElementById("ns6Bats"+i).style.left =Xpos+xBase*Math.cos(((currStep)+i*3.7)/4)*Math.cos((currStep+i*35)/62)
 }
}

}
flyBat=setInterval('Animate()',30);
setTimeout("dismissBat()",dismissafter*1000)
//-->
</script>