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鼠標旋轉特效

 <script language="JavaScript">

<!--   var images='http://www.wangqi.com/pic/logo.gif';//Put your image name here!! var amount=8;       //Number of images here!! var yBase = 150; var xBase = 200; var step = 0.2; var currStep = 0; var Xpos = 5; var Ypos = 5; var i = 0; var j = 0; if (document.all) { document.write('<div id="ieDiv" style="position:absolute;top:0px;left:0px">') document.write('<div id="c" style="position:relative">'); for (n=0; n < amount; n++) document.write('<img src=" '+images+'" style="position:absolute;top:0px;left:0px">') document.write('</div>') document.write('</div>')  function MsieMouseFollow(){  Xpos = document.body.scrollLeft+event.x-5;  Ypos = document.body.scrollTop+event.y-5;  }  document.onmousemove = MsieMouseFollow; } else if (document.layers) { window.captureEvents(Event.MOUSEMOVE); for (ns=0; ns < amount; ns++)  document.write("<LAYER NAME='n"+ns+"' LEFT=0 TOP=0><IMG SRC='"+images+"'></LAYER>"); function NsMouseFollow(evnt){  Xpos = evnt.pageX-5;  Ypos = evnt.pageY-5;  }  window.onMouseMove = NsMouseFollow; } function Swirl(){ if (document.all) {  yBase = window.document.body.offsetHeight/4;  xBase = window.document.body.offsetWidth/4; } else if (document.layers) {  yBase = window.innerHeight/4;  xBase = window.innerWidth/4; }   if (document.all) {  for (i=0;i<ieDiv.all.c.all.length;i++)  {   ieDiv.all.c.all[i].style.top = Ypos + Math.cos((20*Math.sin(currStep/20))+i*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + i*25)/10);   ieDiv.all.c.all[i].style.left = Xpos + Math.sin((20*Math.sin(currStep/20))+i*70)*xBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + i*25)/10);  } } else if (document.layers) {  for ( j = 0 ; j < ns ; j++ ) //7 is number of NS layers!  {   var temp="n"+j   document.layers[temp].top = Ypos + Math.cos((20*Math.sin(currStep/20))+j*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + j*25)/10);   document.layers[temp].left =Xpos + Math.sin((20*Math.sin(currStep/20))+j*70)*xBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + j*25)/10);  } } currStep += step; setTimeout("Swirl()", 10); } Swirl(); // --> </script>  
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