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要完成此效果把如下代码加入到<body>区域中 <style type="text/css"> #divCircle {position:absolute; width:10px; height:100px; z-index:1; top:-50px;} .clButtons {position:absolute; width:50px; height:10px; top:20px;left:100px; visibility:hidden; z-index:10; font-family:新細明體; font-size:10pt;} .clButtons a { COLOR:#000080; } </style> <Script language="JavaScript" type="text/javascript"> function lib_bwcheck(){ //Browsercheck (needed) this.ver=navigator.appVersion this.agent=navigator.userAgent this.dom=document.getElementById?1:0 this.opera5=this.agent.indexOf("Opera 5")>-1 this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0; this.ie4=(document.all && !this.dom && !this.opera5)?1:0; this.ie=this.ie4||this.ie5||this.ie6 this.mac=this.agent.indexOf("Mac")>-1 this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; this.ns4=(document.layers && !this.dom)?1:0; this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5) return this } var bw=new lib_bwcheck() numItems = 4 circleXstart = 10 circleYstart = -25 circleXoffset = 5 circleYoffset = -3 circlePXspeed = 5 circleTspeed = 10 circleStay = 1 function makeObj(obj,nest,x,y){ nest = (!nest)?"":'document.'+nest+'.' this.css = bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0 this.evnt = bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?this.css:0 this.showIt = b_showIt this.moveIt = b_moveIt this.slide = b_slide this.slideIt = b_slideIt this.obj = obj+"Object" eval(this.obj+"=this") return this } var px = bw.ns4||window.opera?"":"px"; function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x+px; this.css.top=this.y+px;} function b_showIt(){this.css.visibility="visible"} function b_slideIt(endx,endy,inc,speed,fn,wh) { if (!this.slideactive) { var distx = endx - this.x var disty = endy - this.y var num = Math.sqrt(Math.pow(distx,2) + Math.pow(disty,2))/inc var dx = distx/num var dy = disty/num this.slideactive = 1 this.slide(dx,dy,endx,endy,speed,fn,wh) } } function b_slide(dx,dy,endx,endy,speed,fn,wh) { if (!fn) fn = null if (!wh) wh = null if (this.slideactive && (Math.floor(Math.abs(dx))<Math.floor(Math.abs(endx-this.x)) || Math.floor(Math.abs(dy))<Math.floor(Math.abs(endy-this.y)))) { this.moveIt(this.x+dx,this.y+dy) eval(wh) slidTim = setTimeout(this.obj+".slide("+dx+","+dy+","+endx+","+endy+","+speed+",'"+fn+"','"+wh+"')",speed) } else{ this.slideactive = 0 this.moveIt(endx,endy) eval(fn) } } function slideballInit(){ oBut = new Array() for (var i=0; i<=numItems; i++){ oBut[i] = new makeObj('divButton'+i) } oCircle = new makeObj('divCircle') oBut[0].moveIt(250,100) oBut[1].moveIt(310,100) oBut[2].moveIt(370,100) oBut[3].moveIt(420,100) oBut[4].moveIt(480,100) oCircle.moveIt(circleXstart,circleYstart) //Showing the buttons for(var i=0; i<=numItems; i++){ oBut[i].showIt() } } var slidTim = 100; var active = -1 function sbmover(num){ clearTimeout(slidTim) oCircle.slideactive = false oCircle.slideIt(oBut[num].x+circleXoffset,oBut[num].y+circleYoffset,circlePXspeed,circleTspeed) } function sbmout(num){ clearTimeout(slidTim) oCircle.slideactive = false if (active>-1 && circleStay) oCircle.slideIt(oBut[active].x+circleXoffset,oBut[active].y+circleYoffset,circlePXspeed,circleTspeed) else oCircle.slideIt(circleXstart,circleYstart,circlePXspeed,circleTspeed) } function changeListing(num){ active = num } if(bw.bw) onload = slideballInit; </Script> <div id="divButton0" class="clButtons"> <a href="#" onmouseover="sbmover(0)" onmouseout="sbmout(0)" onclick="changeListing(0); return false">链接1</a> </div> <div id="divButton1" class="clButtons"> <a href="#" onmouseover="sbmover(1)" onmouseout="sbmout(1)" onclick="changeListing(1); return false">链接2</a> </div> <div id="divButton2" class="clButtons"> <a href="#" onmouseover="sbmover(2)" onmouseout="sbmout(2)" onclick="changeListing(2); return false">链接3</a> </div> <div id="divButton3" class="clButtons"> <a href="#" onmouseover="sbmover(3)" onmouseout="sbmout(3)" onclick="changeListing(3); return false">链接4</a> </div> <div id="divButton4" class="clButtons"> <a href="#" onmouseover="sbmover(4)" onmouseout="sbmout(4)" onclick="changeListing(4); return false">链接5</a> </div> <div id="divCircle"> <img src="http://www.netton.cn/wydh/images/149/trail4.gif" width="22" height="21" border="0" onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)"> </div> 特别说明：如网页特效代码中有引用图片文件等，请自己下载到本地调试！
