将下面的代码加入<head></head>中 <script language="JavaScript"> <!-- //改变下面的颜色代码和图形环绕的半径 var a_Colour='ff0000'; var b_Colour='ffffff'; var c_Colour='0000ff'; var Size=50; //Alter nothing below !! var YDummy=new Array(),XDummy=new //改变下面的STEP后面的数值变换图形飞行的速度 Array(),xpos=0,ypos=0,ThisStep=0;step=0.2; 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.cos(ThisStep+i*2)*Math.sin((ThisStep+i*25)/2); XDummy[i]=xpos+Size*Math.sin(ThisStep+i*2)*Math.sin((ThisStep+i*25)/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>
