ring-gray.js

不错的asp论坛,大家可以看看啊和呵呵.

if (document.all){   
with (document){   
write('<div id="starsDiv" style="position:absolute;top:0px;left:0px">')   
write('<div style="position:relative;width:1px;height:1px;background:#AAAAAA;font-size:1px;visibility:visible"></div>')   
write('<div style="position:relative;width:1px;height:1px;background:#AAAAAA;font-size:1px;visibility:visible"></div>')   
write('<div style="position:relative;width:1px;height:1px;background:#AAAAAA;font-size:1px;visibility:visible"></div>')   
write('<div style="position:relative;width:1px;height:1px;background:#AAAAAA;font-size:1px;visibility:visible"></div>')   
write('<div style="position:relative;width:1px;height:1px;background:#AAAAAA;font-size:1px;visibility:visible"></div>')   
write('<div style="position:relative;width:1px;height:1px;background:#AAAAAA;font-size:1px;visibility:visible"></div>')   
write('<div style="position:relative;width:1px;height:1px;background:#AAAAAA;font-size:2px;visibility:visible"></div>')   
write('<div style="position:relative;width:2px;height:2px;background:#AAAAAA;font-size:2px;visibility:visible"></div>')   
write('<div style="position:relative;width:2px;height:2px;background:#AAAAAA;font-size:2px;visibility:visible"></div>')   
write('<div style="position:relative;width:2px;height:2px;background:#AAAAAA;font-size:2px;visibility:visible"></div>')   
write('<div style="position:relative;width:2px;height:2px;background:#AAAAAA;font-size:2px;visibility:visible"></div>')   
write('<div style="position:relative;width:2px;height:2px;background:#AAAAAA;font-size:2px;visibility:visible"></div>')   
write('<div style="position:relative;width:2px;height:2px;background:#AAAAAA;font-size:3px;visibility:visible"></div>')   
write('<div style="position:relative;width:3px;height:3px;background:#AAAAAA;font-size:3px;visibility:visible"></div>')   
write('</div>')   
}   
}   
   
if (document.layers)   
{window.captureEvents(Event.MOUSEMOVE);}   
var yBase = 200;   
var xBase = 200;   
var step = 1;   
var currStep = 0;   
var Xpos = 1;   
var Ypos = 1;   
   
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/6;   
 xBase = window.document.body.offsetWidth/6;   
}   
else if (document.layers)   
{   
 yBase = window.innerHeight/8;   
 xBase = window.innerWidth/8;   
}   
   
if (document.all)   
{   
 for ( i = 0 ; i < starsDiv.all.length ; i++ )   
 {   
  starsDiv.all[i].style.top = Ypos + yBase*Math.sin((currStep + i*4)/12)*Math.cos(400+currStep/200);   
 starsDiv.all[i].style.left = Xpos + xBase*Math.sin((currStep + i*3)/10)*Math.sin(currStep/200);   
 }   
}   
   
else if (document.layers)   
{   
 for ( j = 0 ; j < 14 ; j++ ) //number of NS layers!   
 {   
  var templayer="a"+j   
  document.layers[templayer].top = Ypos + yBase*Math.sin((currStep + j*4)/12)*Math.cos(400+currStep/200);   
  document.layers[templayer].left = Xpos + xBase*Math.sin((currStep + j*3)/10)*Math.sin(currStep/200);   
 }   
}   
currStep+= step;   
setTimeout("animateLogo()", 10);   
}   
animateLogo();