代码如下： </head> <body bgcolor=#000000 > <script language="JavaScript"> var CoLoUrS=new Array('ff0000','ffffff','0000ff','ffffff'); var dots=16; var ThingsInArray; var step=0.3; var a_StEp=0.05; var RunTime=0; var currStep = 0; var Xpos = 0; var Ypos = 0; var cntr=70; var count_a=0; var move_a=1; var curColour; var count=0; var move=1; var brwsr=(document.layers)?1:0; if (brwsr){ for (i=0; i < dots; i++){ document.write('<LAYER NAME="a'+i+'" LEFT=0 TOP=0 BGCOLOR=#ffffff CLIP="0,0,2,2"></LAYER>'); } var x = document; ThingsInArray=new Array(x.a0,x.a1,x.a2,x.a3,x.a4,x.a5,x.a6,x.a7,x.a8,x.a9,x.a10,x.a11,x.a12,x.a13,x.a14,x.a15) } else{ document.write('<div id="ieDiv" style="position:absolute;top:0px;left:0px"><div id="c" style="position:relative">'); for (i=0; i < dots; i++){ document.write('<div style="position:absolute;top:0px;left:0px;width:2px;height:2px;background:#ffffff;font-size:2px"></div>'); } document.write('</div></div>'); var x = ieDiv.all.c.all; ThingsInArray=new Array(x[0],x[1],x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9],x[10],x[11],x[12],x[13],x[14],x[15]) } function colourStep(){ count+=move; if (count >= ThingsInArray.length) {count=0;count_a+=move} if (count_a == CoLoUrS.length) count_a=0; if (brwsr) ThingsInArray[count].bgColor=CoLoUrS[count_a]; else ThingsInArray[count].style.background=CoLoUrS[count_a]; setTimeout('colourStep()',100) } function moveAbout(){ if (brwsr){ Ypos = window.pageYOffset+window.innerHeight/2 + window.innerHeight/3.1 * Math.cos((RunTime)/3)*Math.cos(RunTime/50); Xpos = window.pageXOffset+window.innerWidth/2 + window.innerWidth/2.4 * Math.sin((RunTime)/5)*Math.cos(RunTime/30); } else{ Ypos = document.body.scrollTop+document.body.offsetHeight/2 + document.body.offsetHeight/2.8*Math.cos((RunTime)/3)*Math.cos(RunTime/10); Xpos= document.body.scrollLeft+document.body.offsetWidth/2 + document.body.offsetWidth/2.4*Math.sin((RunTime)/5)*Math.sin(RunTime/20); } RunTime+=a_StEp; Tma=setTimeout("moveAbout()", 10); } function TwistnSpin(){ if (brwsr){ for ( i = 0 ; i < 16 ; i++ ) { var templayer="a"+i document.layers[templayer].top = Ypos+cntr*Math.cos((currStep + i*4)/10.2)*Math.cos(currStep/10) document.layers[templayer].left =Xpos+cntr*Math.sin((currStep + i*4)/10.2); } } else{ for (i=0;i<ieDiv.all.c.all.length;i++) { ieDiv.all.c.all[i].style.top = Ypos+cntr*Math.cos((currStep + i*4)/10.2)*Math.cos(currStep/10) ieDiv.all.c.all[i].style.left= Xpos+cntr*Math.sin((currStep + i*4)/10.2); } } currStep+=step; setTimeout("TwistnSpin()",10); } function Shrink(){ cntr-=0.5; GoShrink=setTimeout('Shrink()',10); if (cntr <=20) {clearTimeout(GoShrink);Swell()} } function Swell(){ cntr+=0.5; GoSwell=setTimeout('Swell()',10); if (cntr >=70) {clearTimeout(GoSwell);Shrink()} } function StArTuP(){ moveAbout(); TwistnSpin(); Shrink(); colourStep(); } StArTuP(); </script>
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