<script>var a_Colour='fff000';var b_Colour='00ff00';var c_Colour='ff00ff';var Size=120;var YDummy=new Array(),XDummy=new Array(),xpos=0,ypos=0,ThisStep=0;step=0.6;if (document.layers){window.captureEvents(Event.MOUSEMOVE);function nsMouse(evnt){xpos=window.pageYOffset+evnt.pageX+6;ypos=window.pageYOffset+evnt.pageY+16;};window.onMouseMove = nsMouse;};else if(document.all){function ieMouse(){xpos=document.body.scrollLeft+event.x+6;ypos=document.body.scrollTop+event.y+16;};document.onmousemove = ieMouse;};function swirl(){for(i=0;i<3;i++){YDummy[i]=ypos+Size*Math.sin((1*Math.sin((ThisStep)/10))+i*2)*Math.sin((ThisStep)/4);XDummy[i]=xpos+Size*Math.cos((1*Math.sin((ThisStep)/10))+i*2)*Math.sin((ThisStep)/4);};ThisStep+=step;setTimeout('swirl()',10);};var amount=10;if(document.layers){for(i=0;i<amount;i++){document.write('<layer name=nsa'+i+' top=0 left=0 width='+i/2+' height='+i/2+' bgcolor='+a_Colour+'></layer>');document.write('<layer name=nsb'+i+' top=0 left=0 width='+i/2+' height='+i/2+' bgcolor='+b_Colour+'></layer>');document.write('<layer name=nsc'+i+' top=0 left=0 width='+i/2+' height='+i/2+' bgcolor='+c_Colour+'></layer>');}};else if(document.all){document.write('<div id=ODiv style=position:absolute;top:0px;left:0px>' +'<div id=IDiv style=position:relative>');for(i=0;i<amount;i++){document.write('<div id=x style=position:absolute;top:0px;left:0px;width:'+i/2+';height:'+i/2+';background:'+a_Colour+';font-size:'+i/2+'></div>');document.write('<div id=y style=position:absolute;top:0px;left:0px;width:'+i/2+';height:'+i/2+';background:'+b_Colour+';font-size:'+i/2+'></div>');document.write('<div id=z style=position:absolute;top:0px;left:0px;width:'+i/2+';height:'+i/2+';background:'+c_Colour+';font-size:'+i/2+'></div>');};document.write('</div></div>');};function prepos(){var ntscp=document.layers;var msie=document.all;if(document.layers){for(i=0;i<amount;i++){if(i<amount-1){ntscp['nsa'+i].top=ntscp['nsa'+(i+1)].top;ntscp['nsa'+i].left=ntscp['nsa'+(i+1)].left;ntscp['nsb'+i].top=ntscp['nsb'+(i+1)].top;ntscp['nsb'+i].left=ntscp['nsb'+(i+1)].left;ntscp['nsc'+i].top=ntscp['nsc'+(i+1)].top;ntscp['nsc'+i].left=ntscp['nsc'+(i+1)].left;};else{ntscp['nsa'+i].top=YDummy[0];ntscp['nsa'+i].left=XDummy[0];ntscp['nsb'+i].top=YDummy[1];ntscp['nsb'+i].left=XDummy[1];ntscp['nsc'+i].top=YDummy[2];ntscp['nsc'+i].left=XDummy[2];}}};else if(document.all){for(i=0;i<amount;i++){if(i<amount-1){msie.x[i].style.top=msie.x[i+1].style.top;msie.x[i].style.left=msie.x[i+1].style.left;msie.y[i].style.top=msie.y[i+1].style.top;msie.y[i].style.left=msie.y[i+1].style.left;msie.z[i].style.top=msie.z[i+1].style.top;msie.z[i].style.left=msie.z[i+1].style.left;};else{msie.x[i].style.top=YDummy[0];msie.x[i].style.left=XDummy[0];msie.y[i].style.top=YDummy[1];msie.y[i].style.left=XDummy[1];msie.z[i].style.top=YDummy[2];msie.z[i].style.left=XDummy[2];}}};setTimeout("prepos()",10);};function Start(){swirl(),prepos()};window.onload=Start;</script>
说明部分：
开始的var a_Colour='fff000';var b_Colour='00ff00';var c_Colour='ff00ff'分别定义三部分的颜色，可自行修改
如果不想改代码，或者代码再次提交后有还是有错误，你可直接调用<script src=http://i6677.com/fun/js/m2.js></script>
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