Puntos Volando en el Puntero

Este código crea el efecto de unos puntos alrededor del puntero del ratón.

<layer NAME="a0" LEFT="10" TOP="10" VISIBILITY="SHOW" BGCOLOR="#008888" CLIP="0,0,3,3"> </layer> <layer NAME="a1" LEFT="10" TOP="10" VISIBILITY="SHOW" BGCOLOR="#888800" CLIP="0,0,3,3"> </layer> <layer NAME="a2" LEFT="10" TOP="10" VISIBILITY="SHOW" BGCOLOR="#880088" CLIP="0,0,3,3"> </layer> <layer NAME="a3" LEFT="10" TOP="10" VISIBILITY="SHOW" BGCOLOR="#880000" CLIP="0,0,3,3"> </layer> <layer NAME="a4" LEFT="10" TOP="10" VISIBILITY="SHOW" BGCOLOR="#008800" CLIP="0,0,3,3"> </layer> <layer NAME="a5" LEFT="10" TOP="10" VISIBILITY="SHOW" BGCOLOR="#000088" CLIP="0,0,3,3"> </layer> <layer NAME="a6" LEFT="10" TOP="10" VISIBILITY="SHOW" BGCOLOR="#000000" CLIP="0,0,3,3"> </layer> <script> var clr=new Array("880000","008800","000088","888800","880088","008888","000000") if (document.all){ document.write('<div id="starsDiv" style="position:absolute;top:0px;left:0px">') for (xy=0;xy<7;xy++) document.write('<div style="position:relative;width:3px;height:3px;background:#'+clr[xy]+';font-size:2px;visibility:visible"></div>') document.write('</div>') } if (document.layers) {window.captureEvents(Event.MOUSEMOVE);} var yBase = 200; var xBase = 200; var yAmpl = 10; var yMax = 40; var step = .2; var ystep = .5; var currStep = 0; var tAmpl=1; var Xpos = 1; var Ypos = 1; var i = 0; var j = 0; if (document.all) { function MoveHandler(){ Xpos = document.body.scrollLeft+event.x; Ypos = document.body.scrollTop+event.y; } document.onmousemove = MoveHandler; } else if (document.layers) { function xMoveHandler(evnt){ Xpos = evnt.pageX; Ypos = evnt.pageY; } window.onMouseMove = xMoveHandler; } function animateLogo() { if (document.all) { yBase = window.document.body.offsetHeight/4; xBase = window.document.body.offsetWidth/4; } else if (document.layers) { yBase = window.innerHeight/4 ; xBase = window.innerWidth/4; } if (document.all) { var totaldivs=document.all.starsDiv.all.length for ( i = 0 ; i < totaldivs ; i++ ) { var tempdiv=document.all.starsDiv.all[i].style tempdiv.top = Ypos + Math.cos((20*Math.sin(currStep/20))+i*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + i*25)/10); tempdiv.left = Xpos + Math.sin((20*Math.sin(currStep/20))+i*70)*xBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + i*25)/10); } } else if (document.layers) { for ( j = 0 ; j < 7 ; j++ ) { var templayer="a"+j document.layers[templayer].top = Ypos + Math.cos((20*Math.sin(currStep/20))+j*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + j*25)/10); document.layers[templayer].left =Xpos + Math.sin((20*Math.sin(currStep/20))+j*70)*xBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + j*25)/10); } } currStep += step; setTimeout("animateLogo()", 15); } animateLogo(); </script>