// adaptado por http://www.losrecursosgratis.com 

var nav = (document.layers); 
var tmr = null; 
var spd = 50; 
var x = 0; 
var x_offset = 5; 
var y = 0; 
var y_offset = 15; 

var IE = document.all?true:false; 
if (!IE) 
    {document.captureEvents(Event.MOUSEMOVE);}

document.onmousemove = posicRatonXY; 
var x = 0;
var y = 0;

function get_mouse(e) { 
if (IE) { x = event.clientX + document.body.scrollLeft; 
y = event.clientY + document.body.scrollTop;} 
else { x = e.pageX; y = e.pageY ;}
if (x < 0) {x = 0;}
if (y < 0) {y = 0;} 

x += x_offset; 
y += y_offset; 
beam(1); 
} 

function beam(n) 
{ 
if(n<5) 
{ 
if(nav) 
{ 
eval("document.div"+n+".top="+y); 
eval("document.div"+n+".left="+x); 
eval("document.div"+n+".visibility='visible'"); 
} 
else 
{ 
eval("div"+n+".style.top="+y); 
eval("div"+n+".style.left="+x); 
eval("div"+n+".style.visibility='visible'"); 
} 
n++; 
tmr=setTimeout("beam("+n+")",spd); 
} 
else 
{ 
clearTimeout(tmr); 
fade(4); 
} 
} 

function fade(n) 
{ 
if(n>0) 
{ 
if(nav)eval("document.div"+n+".visibility='hidden'"); 
else eval("div"+n+".style.visibility='hidden'"); 
n--; 
tmr=setTimeout("fade("+n+")",spd); 
} 
else clearTimeout(tmr); 
} 

// -->