部分代码如下 ist = []; var active = false; var lasta = 1; var lastb = 1; var distr = true; var tspeed=10; var size=250; var mouseX=0; var mouseY=0; var howElliptical=1; var aA=null; var oDiv=null; window.onload=function () { var i=0; var oTag=null; oDiv=document.getElementById('div1'); aA=oDiv