STEP #1
প্রথমে Blogger.com এ log in করুন
এরপর Add a Gadget of HTML/JavaScript type. সিলেক্ট করুন

2. এরপর নিচের java script টি copy করে paste করুন।

// <![CDATA[

var colour="black";

var sparkles=100;

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="3px";

rlef.style.left="0px";

rdow.style.top="0px";

rdow.style.left="3px";

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) {

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

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

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

star.style.visibility="visible";

starv=50;

break;

}

}

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

if (starv) update_star(c);

if (tinyv) 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]

Step 3 : java script টি save করুন ।