<html> <head> <title>网页特效|---围绕鼠标盘旋的鸟</title> <meta content="text/html; charset=gb2312" http-equiv="Content-Type"> </head> <body> <script language="JavaScript"> <!-- var images='sto/bird.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> </body> </html>