Imagen, estrella o texto que siguen al cursor

Son 3 ejemplos los cuales el código se tiene que poner arriba de </head>

Elegir el que mas les guste.

Ver ejemplo 1:

Código 1:

<script type="text/javascript">
//<![CDATA[
/*********************************
*  http://loseasi.blogspot.com/  *
**********************************/
var trailimage=["http://img197.imageshack.us/img197/5277/estrellab.gif", , ]
var offsetfrommouse=[12,10] 
var displayduration=0

if (document.getElementById || document.all)
document.write('<div id="trailimageid" style="position:absolute;visibility:visible;left:0px;top:100px;width:1px;height:1px"><img border="0" src="'+trailimage[0]+'"></div>')

function gettrailobj(){
if (document.getElementById)
return document.getElementById("trailimageid").style
else if (document.all)
return document.all.trailimagid.style
}

function truebody(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function hidetrail(){
gettrailobj().visibility="hidden"
document.onmousemove=""

}

function followmouse(e){
var xcoord=offsetfrommouse[0]
var ycoord=offsetfrommouse[1]
if (typeof e != "undefined"){
xcoord+=e.pageX
ycoord+=e.pageY
}
else if (typeof window.event !="undefined"){
xcoord+=truebody().scrollLeft+event.clientX
ycoord+=truebody().scrollTop+event.clientY
}
var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
var docheight=document.all? Math.max(truebody().scrollHeight, truebody().clientHeight) : Math.max(document.body.offsetHeight, window.innerHeight)
if (xcoord+trailimage[1]+3>docwidth || ycoord+trailimage[2]> docheight)
gettrailobj().display="none"
else
gettrailobj().display=""
gettrailobj().left=xcoord+"px"
gettrailobj().top=ycoord+"px"
}

document.onmousemove=followmouse

if (displayduration>0)
setTimeout("hidetrail()", displayduration*1000)
//]]>
</script>

cambiar por su propia imagen: http://img197.imageshack.us/img197/5277/estrellab.gif


Ver ejemplo 2:

Código 2:

<script type='text/javascript'>
//<![CDATA[
/*********************************
* http://loseasi.blogspot.com/ *
**********************************/
var colour="#666666";
var sparkles=40;

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();
window.onload=function() { 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();
}}
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");
div.style.position="absolute";
div.style.height=height+"px";
div.style.width=width+"px";
div.style.overflow="hidden";
div.style.backgroundColor=colour;
return (div);
}
//]]>
</script>

cambiar color: #666666


Ver ejemplo 3:

Código 3:

<script type="text/javascript">
//<![CDATA[
/*********************************
* http://loseasi.blogspot.com/ *
**********************************/
mensaje = 'COLOCAR AQUI LA FRASE QUE SIGUE AL CURSOR ';
font = 'PON AQUI EL TIPO DE LETRA QUE QUIERAS';
size = 2;
color = '#59D5FF';
velocidad = 0.7;

n4 = (document.layers);
ie = (document.all);
n6 = (document.getElementById);


mensaje = mensaje.split('');
n = mensaje.length;

a = size*10;
ymouse = 0;
xmouse = 0;
props = "<font face="+font+" color="+color+" size="+size+">";

if (n4)
{
for ( i = 0; i < n; i++)
document.write('<layer left="0" top="0" width="+a+" name="n4mensaje'+i+'" height="+a+"><center>'+props+mensaje[i]+'</font></center></layer>');
}
else if (ie)
{
document.write('<div id="padre" style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=0; i < n; i++)
document.write('<div id="iemensaje" style="position:absolute;top:0px;left:0;height:'+a+';width:'+a+';text-align:center">'+props+mensaje[i]+'</font></div>');
document.write('</div></div>');
}
else if (n6)
{
document.write('<div id="padre" style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i = 0; i < n; i++)
document.write('<div id="iemensaje'+i+'" style="position:absolute;top:0px;left:0;height:'+a+';width:'+a+';text-align:center">'+props+mensaje[i]+'</font></div>');
document.write('</div></div>');
}

if(n4)
window.captureEvents(Event.MOUSEMOVE);


function Mouse(evento)
{
if(ie)
{
xmouse = event.x+20;
ymouse = event.y+20;
}
else if(n4 || n6)
{
xmouse = evento.pageX+20;
ymouse = evento.pageY+20;
}
}

if(n4)
window.onMouseMove = Mouse
else if(ie || n6)
document.onmousemove = Mouse;

y = new Array();
x = new Array();
Y = new Array();
X = new Array();
Yaux = new Array();
Xaux = new Array();

for (i=0; i < n; i++)
{
y[i] = 0;
x[i] = 0;
Y[i] = 0;
X[i] = 0;
Yaux[i] = 0;
Xaux[i] = 0;
}

function asigna()
{
if (ie)
padre.style.top = document.body.scrollTop;

for (i = 0; i < n; i++)
{
if(n4)
{
document.layers['n4mensaje'+i].top = y[i];
document.layers['n4mensaje'+i].left = x[i]+(i*(a/2));
}
else if(ie)
{
iemensaje[i].style.top = y[i];
iemensaje[i].style.left = x[i]+(i*(a/2));
}
else if(n6)
{
eval("document.getElementById('iemensaje"+i+"').style.top = '"+y[i]+"px'");
eval("document.getElementById('iemensaje"+i+"').style.left = '"+(x[i]+(i*(a/2)))+"px'");
}
}
}

function ondula()
{
y[0]=Math.round(Y[0] +=((ymouse)-Y[0])*velocidad);
x[0]=Math.round(X[0] +=((xmouse)-X[0])*velocidad);

for (var i = 1; i < n; i++)
{
Yaux[i] = Math.round(Y[i]);
Xaux[i ]= Math.round(X[i]);
y[i] = Math.round(Y[i]=Yaux[i]+(y[i-1]-Y[i])*velocidad);
x[i] = Math.round(X[i]=Xaux[i]+(x[i-1]-X[i])*velocidad);
}
asigna();
setTimeout('ondula()',50);
}

window.onload = ondula;
//]]>
</script>

Cambiar: Mensaje, tipo de fuente (no es necesario), tamaño, velocidad (no es necesario) y color.