Estudar codigo

[hygorsandro 0]

tenho pouco conhecimento e queria

q alguem podese me ajudar a saber

oq essi codigo faz...

 

(pois eu rodava um programa para um cara, q mandava e-mails) e isso tinha no meio da msg,

queria saber se isso ai grava algo? ou qual e a funcao disso dai...

gratos a todos q me ajudar

 

 

 

<script LANGUAGE="JavaScript1.2"><!--//

// your message here

var msg='Y Y Y Y Y Y Y Y Y Y Y Y ';

var font='Webdings';

var size=3; // up to seven

var color='#FF66CC';

// This is not the rotation speed, its the reaction speed, keep low!

// Set this to 1 for just plain rotation w/out drag

var speed=.3;

// This is the rotation speed, set it negative if you want

// it to spin clockwise

var rotation=.1;

// Alter no variables past here!, unless you are good

//---------------------------------------------------

var ns=(document.layers);

var ie=(document.all);

var msg=msg.split('');

var n=msg.length;

var a=size*15;

var currStep=0;

var ymouse=0;

var xmouse=0;

var scrll=0;

var props="<font face="+font+" size="+size+" color="+color+">";

if (ie)

window.pageYOffset=0

// writes the message

if (ns){

for (i=0; i < n; i++)

document.write('<layer name="nsmsg'+i+'" top=0 left=0 height='+a+' width='+a+'><center>'+props+msg+'</font></center> </layer>');

}

if (ie){

document.write('<div id="outer" style="position:absolute;top:0px;left:0px"><div style="position:relative">');

for (i=0; i < n; i++)

document.write('<div id="iemsg" style="position:absolute;top:0px;left:0; height:'+a+';width:'+a+';text-align:center; font-weight:regular;cursor:default">'+props+msg+'</font> </div>');

document.write('</div></div>');

}

(ns)?window.captureEvents(Event.MOUSEMOVE):0;

function Mouse(evnt){

ymouse = (ns)?evnt.pageY+20-(window.pageYOffset):event.y; // y-position

xmouse = (ns)?evnt.pageX+20:event.x-20; // x-position

}

if (ns||ie)

(ns)?window.onMouseMove=Mouse:document.onmousemove= Mouse;

y=new Array();

x=new Array();

Y=new Array();

X=new Array();

for (i=0; i < n; i++){

y=0;

x=0;

Y=0;

X=0;

}

function makecircle(){ // rotation properties

if (ie) outer.style.top=document.body.scrollTop;

currStep-=rotation;

for (i=0; i < n; i++){ // makes the circle

var d=(ns)?document.layers['nsmsg'+i]:iemsg.style;

d.top=y+a*Math.sin((currStep+i*1)/3.8)+ window.pageYOffset-15;

d.left=x+a*Math.cos((currStep+i*1)/3.8)*2; // remove *2 for just a plain circle, not oval

}

}

function drag(){ // makes the resistance

scrll=(ns)?window.pageYOffset:0;

y[0]=Math.round(Y[0]+=((ymouse)-Y[0])*speed);

x[0]=Math.round(X[0]+=((xmouse)-X[0])*speed);

for (var i=1; i < n; i++){

y=Math.round(Y+=(y[i-1]-Y)*speed);

x=Math.round(X+=(x[i-1]-X)*speed);

}

makecircle();

// not rotation speed, leave at zero

setTimeout('drag()',10);

}

if (ns||ie)window.onload=drag;

// -->

</SCRIPT>

[Alex Hiroshi 7]

Só adiciona uma mensagem irritante que fica rodando em volta do cursor do mouse.