Tutorial: Estrelas Coloridas Caindo do Cursor.

1. Vá em  layout no canto esquerdo da sua tela.

2. Adicione um HTML/JavaScript e cole o código a seguir.

<script type='text/javascript'>

// <![CDATA[

function initCursor() {

if (document.getElementById) {

var i, rats, rlef, rdow;

for (var i=0; i<sparkles; i++) {

var rats=createDiv(3, 3);

rats.style.visibility="hidden";

document.body.appendChild(tiny[i]=rats);

starv[i]=0;

tinyv[i]=0;

var rats=createDiv(5, 5);

rats.style.backgroundColor="transparent";

rats.style.visibility="hidden";

var rlef=createDiv(1, 5);

var rdow=createDiv(5, 1);

rats.appendChild(rlef);

rats.appendChild(rdow);

rlef.style.top="2px";

rlef.style.left="0px";

rdow.style.top="0px";

rdow.style.left="2px";

document.body.appendChild(star[i]=rats);

}

set_width();

sparkle();

}}

var hex=new Array("00","14","28","3C","50","64","78","8C","A0","B4","C8","DC","F0")

var r=1

var g=1

var b=1

var seq=1

var sparkles = 35;

var x=ox=400;

var y=oy=300;

var swide=800;

var shigh=600;

var sleft=sdown=0;

var tiny=new Array();

var star=new Array();

var starv=new Array();

var starx=new Array();

var stary=new Array();

var tinyx=new Array();

var tinyy=new Array();

var tinyv=new Array();

function sparkle() {

var c;

if (x!=ox || y!=oy) {

ox=x;

oy=y;

for (c=0; c<sparkles; c++) if (!starv[c]) {

star[c].style.left=(starx[c]=x)+"px";

star[c].style.top=(stary[c]=y)+"px";

star[c].style.clip="rect(0px, 5px, 5px, 0px)";

star[c].style.visibility="visible";

starv[c]=50;

break;

}

}

for (c=0; c<sparkles; c++) {

if (starv[c]) update_star(c);

if (tinyv[c]) update_tiny(c);

}

setTimeout("sparkle()", 40);

}

function update_star(i) {

if (--starv[i]==25) star[i].style.clip="rect(1px, 4px, 4px, 1px)";

if (starv[i]) {

stary[i]+=1+Math.random()*3;

if (stary[i]<shigh+sdown) {

star[i].style.top=stary[i]+"px";

starx[i]+=(i%5-2)/5;

star[i].style.left=starx[i]+"px";

}

else {

star[i].style.visibility="hidden";

starv[i]=0;

return;

}

}

else {

tinyv[i]=50;

tiny[i].style.top=(tinyy[i]=stary[i])+"px";

tiny[i].style.left=(tinyx[i]=starx[i])+"px";

tiny[i].style.width="2px";

tiny[i].style.height="2px";

star[i].style.visibility="hidden";

tiny[i].style.visibility="visible"

}

}

function update_tiny(i) {

if (--tinyv[i]==25) {

tiny[i].style.width="1px";

tiny[i].style.height="1px";

}

if (tinyv[i]) {

tinyy[i]+=1+Math.random()*3;

if (tinyy[i]<shigh+sdown) {

tiny[i].style.top=tinyy[i]+"px";

tinyx[i]+=(i%5-2)/5;

tiny[i].style.left=tinyx[i]+"px";

}

else {

tiny[i].style.visibility="hidden";

tinyv[i]=0;

return;

}

}

else tiny[i].style.visibility="hidden";

}

document.onmousemove=mouse;

function mouse(e) {

set_scroll();

y=(e)?e.pageY:event.y+sdown;

x=(e)?e.pageX:event.x+sleft;

}

function set_scroll() {

if (typeof(self.pageYOffset)=="number") {

sdown=self.pageYOffset;

sleft=self.pageXOffset;

}

else if (document.body.scrollTop || document.body.scrollLeft) {

sdown=document.body.scrollTop;

sleft=document.body.scrollLeft;

}

else if (document.documentElement && (document.documentElement.scrollTop || document.documentElement.scrollLeft)) {

sleft=document.documentElement.scrollLeft;

sdown=document.documentElement.scrollTop;

}

else {

sdown=0;

sleft=0;

}

}

window.onresize=set_width;

function set_width() {

if (typeof(self.innerWidth)=="number") {

swide=self.innerWidth;

shigh=self.innerHeight;

}

else if (document.documentElement && document.documentElement.clientWidth) {

swide=document.documentElement.clientWidth;

shigh=document.documentElement.clientHeight;

}

else if (document.body.clientWidth) {

swide=document.body.clientWidth;

shigh=document.body.clientHeight;

}

}

function createDiv(height, width) {

var div=document.createElement("div");

rainbow="#"+hex[r]+hex[g]+hex[b]

if (seq==6){

b--

if (b==0)

seq=1

}

if (seq==5){

r++

if (r==12)

seq=6

}

if (seq==4){

g--

if (g==0)

seq=5

}

if (seq==3){

b++

if (b==12)

seq=4

}

if (seq==2){

r--

if (r==0)

seq=3

}

if (seq==1){

g++

if (g==12)

seq=2

}

div.style.position="absolute";

div.style.height=height+"px";

div.style.width=width+"px";

div.style.overflow="hidden";

div.style.zIndex="10";

div.style.backgroundColor=rainbow;

return (div);

}

window.onload=function()

{

initCursor()

initImage()

startTime()

}

function initImage() {

imageId = 'menu'

image = document.getElementById(imageId);

setOpacity(image, 0);

image.style.visibility = "visible";

fadeIn(imageId,0);

}

function fadeIn(objId,opacity) {

if (document.getElementById) {

obj = document.getElementById(objId);

if (opacity <= 100) {

setOpacity(obj, opacity);

opacity += 10;

window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 120);

}

}

}

function setOpacity(obj, opacity) {

opacity = (opacity == 100)?99.999:opacity;

// IE/Win

obj.style.filter = "alpha(opacity:"+opacity+")";

// Safari<1.2, Konqueror

obj.style.KHTMLOpacity = opacity/100;

// Older Mozilla and Firefox

obj.style.MozOpacity = opacity/100;

// Safari 1.2, newer Firefox and Mozilla, CSS3

obj.style.opacity = opacity/100;

}

function changeNav(id) {

document.getElementById('content').innerHTML=document.getElementById(id).innerHTML;

document.getElementById('main').innerHTML=document.getElementById('home').innerHTML;

document.getElementById('rabbit').style.top="275px"

document.getElementById('penguin').style.top="532px"

}

function hidestatus(){

window.status=""

return true

}

// ]]>

</script>

<script type="text/javascript">

if (window.jstiming) window.jstiming.load.tick('headEnd');

</script>

<div class='navbar section' id='navbar'><div class='widget navbar' id='navbar1'><script type="text/javascript">

function setAttributeOnload(object, attribute, val) {

if(window.addEventListener) {

window.addEventListener("load",

function(){ object[attribute] = val; }, false);

} else {

window.attachEvent('onload', function(){ object[attribute] = val; });

}

}

function showRelatedContent(args) {

var el = document.getElementById('related-iframe');

if (el.parentNode.style.display != 'none') {

el.parentNode.style.display = 'none';

document.onclick = showRelatedContent.prevOnClick;

return;

}

var match = /(?:^[?]|&)c=([0-9]+)(?:&|(?!.))/.exec(args);

if (match !== null) {

document.getElementById('related-loading').style.left = match[1] + 'px';

el.style.left = Math.max(0, match[1] - parseInt(el.width) / 2) + 'px';

}

el.src = "http://www.essenciiaisparameninas.blogspot.com.br"

+ '/related-content.g?q='

+ window.location.href

+ '&id=' + "7792698363959436653";

el.parentNode.style.display = 'block';

showRelatedContent.prevOnClick = document.onclick;

// Hide related-content dropdown when clicking anywhere but on it.

document.onclick = function() {

var el = document.getElementById('related-iframe');

if (el.parentNode.style.display != 'none') {

el.parentNode.style.display = 'none';

}

document.onclick = showRelatedContent.prevOnClick;

};

}

</script></div></div>