How to make bubble cursor on blog

This tutor is to show you how to make a blue bubble comes out from your cursor.

 
1. Log in to your blog > Layout > add a gadget > Choose HTML/Javascript.

2. Copy and paste this code ;

<script type="text/javascript" src="https://sites.google.com/site/unwanted86/javascript/bubblecursor.js"></script><script type="text/javascript">

// <![CDATA[

var colours=new Array("#0066FF", "#0066FF", "#0066FF", "#0066FF", "#0066FF"); // colours for top, right, bottom and left borders and background of bubbles

var bubbles=100; // maximum number of bubbles on screen



/****************************

* JavaScript Bubble Cursor *

* (c) 2010 mf2fm web-design *

* http://www.mf2fm.com/rv *

* DON'T EDIT BELOW THIS BOX *

****************************/

var x=ox=400;

var y=oy=300;

var swide=800;

var shigh=600;

var sleft=sdown=0;

var bubb=new Array();

var bubbx=new Array();

var bubby=new Array();

var bubbs=new Array();



window.onload=function() { if (document.getElementById) {

var rats, div;

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

rats=createDiv("3px", "3px");

rats.style.visibility="hidden";



div=createDiv("auto", "auto");

rats.appendChild(div);

div=div.style;

div.top="1px";

div.left="0px";

div.bottom="1px";

div.right="0px";

div.borderLeft="1px solid "+colours[3];

div.borderRight="1px solid "+colours[1];



div=createDiv("auto", "auto");

rats.appendChild(div);

div=div.style;

div.top="0px";

div.left="1px";

div.right="1px";

div.bottom="0px"

div.borderTop="1px solid "+colours[0];

div.borderBottom="1px solid "+colours[2];



div=createDiv("auto", "auto");

rats.appendChild(div);

div=div.style;

div.left="1px";

div.right="1px";

div.bottom="1px";

div.top="1px";

div.backgroundColor=colours[4];

div.opacity=0.5;

if (document.all) div.filter="alpha(opacity=50)";



document.body.appendChild(rats);

bubb[i]=rats.style;

}

set_scroll();

set_width();

bubble();

}}



function bubble() {

var c;

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

ox=x;

oy=y;

for (c=0; c<bubbles; c++) if (!bubby[c]) {

bubb[c].left=(bubbx[c]=x)+"px";

bubb[c].top=(bubby[c]=y)+"px";

bubb[c].width="3px";

bubb[c].height="3px"

bubb[c].visibility="visible";

bubbs[c]=3;

break;

}

}

for (c=0; c<bubbles; c++) if (bubby[c]) update_bubb(c);

setTimeout("bubble()", 40);

}



function update_bubb(i) {

if (bubby[i]) {

bubby[i]-=bubbs[i]/2+i%2;

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

if (bubby[i]>sdown && bubbx[i]>0) {

if (Math.random()<bubbs[i]/shigh*2 && bubbs[i]++<8) {

bubb[i].width=bubbs[i]+"px";

bubb[i].height=bubbs[i]+"px";

}

bubb[i].top=bubby[i]+"px";

bubb[i].left=bubbx[i]+"px";

}

else {

bubb[i].visibility="hidden";

bubby[i]=0;

return;

}

}

}



document.onmousemove=mouse;

function mouse(e) {

set_scroll();

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

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



window.onresize=set_width;

function set_width() {

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

swide=document.documentElement.clientWidth;

shigh=document.documentElement.clientHeight;

}

else if (typeof(self.innerHeight)=="number") {

swide=self.innerWidth;

shigh=self.innerHeight;

}

else if (document.body.clientWidth) {

swide=document.body.clientWidth;

shigh=document.body.clientHeight;

}

else {

swide=800;

shigh=600;

}

}



window.onscroll=set_scroll;

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;

}

}



function createDiv(height, width) {
var div=document.createElement("div");
div.style.position="absolute";
div.style.height=height;
div.style.width=width;
div.style.overflow="hidden";
return (div);
}

// ]]>
</script>

3. Save. Its Done.