Tutorial : Rainbow Sparkle Cursor

1. Dashboard > Layout > Add A Gadget > HTML Javascript

2. Copy code dekat bawah ni

<script type="text/javascript">// <![CDATA[var colour="random"; // in addition to "random" can be set to any valid colour eg "#f0f" or "red"var sparkles=50;


/*****************************  Tinkerbell Magic Sparkle **(c)2005-11 mf2fm web-design**  http://www.mf2fm.com/rv  *****************************/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].childNodes[0].style.backgroundColor=star[c].childNodes[1].style.backgroundColor=(colour=="random")?newColour():colour;      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 && starx[i]>0) {      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";  tiny[i].style.backgroundColor=star[i].childNodes[0].style.backgroundColor;    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 && tinyx[i]>0) {      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() {  var sw_min=999999;  var sh_min=999999;  if (document.documentElement && document.documentElement.clientWidth) {    sw_min=document.documentElement.clientWidth;    sh_min=document.documentElement.clientHeight;  }  if (typeof(self.innerWidth)!="undefined" && self.innerWidth) {    if (self.innerWidth<sw_min) sw_min=self.innerWidth;    if (self.innerHeight<sh_min) sh_min=self.innerHeight;  }  if (document.body.clientWidth) {    if (document.body.clientWidth<sw_min) sw_min=document.body.clientWidth;    if (document.body.clientHeight<sh_min) sh_min=document.body.clientHeight;  }  if (sw_min==999999 || sh_min==999999) {    sw_min=800;    sh_min=600;  }  swide=sw_min;  shigh=sh_min;}
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";  return (div);}function newColour() {  var c=new Array();  c[0]=255;  c[1]=Math.floor(Math.random()*256);  c[2]=Math.floor(Math.random()*(256-c[1]/2));  c.sort(function(){return (0.5 - Math.random());});  return ("rgb("+c[0]+", "+c[1]+", "+c[2]+")");}// ]]></script>

3. Then paste dekat HTML Javascript.

4. Preview & save.