<STYLE type=text/css>#divCircle 
{
HEIGHT: 50px; POSITION: absolute; TOP: 100px; WIDTH:-50px; Z-INDEX: 1
}
.clButtons {
	FONT-FAMILY: 宋體; FONT-SIZE: 10pt; HEIGHT: 10px; LEFT: 100px; POSITION: absolute; TOP: 20px; VISIBILITY: hidden; WIDTH: 50px; Z-INDEX: 10
}
.clButtons A {
	COLOR: #7B50AC
}
</STYLE>

<SCRIPT language=JavaScript type=text/javascript>
function lib_bwcheck(){ 
	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(5,100);oBut[1].moveIt(100,100);oBut[2].moveIt(200,100);oBut[3].moveIt(290,100);oBut[4].moveIt(370,100);
	
	
	
	oCircle.moveIt(circleXstart,circleYstart)
	
	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="divCircle"> 
  <img src="SONY.jpg" width="22" height="22" border="0"> 
</div>
<div id="divButton0" class="clButtons"><a href="#" onmouseover="sbmover(0)" onmouseout="sbmout(0)" onclick="changeListing(0); return false">JavaScript</a></div>
<div id="divButton1" class="clButtons"><a href="#" onmouseover="sbmover(1)" onmouseout="sbmout(1)" onclick="changeListing(1); return false">VisualBasic</a></div>
<div id="divButton2" class="clButtons"><a href="#" onmouseover="sbmover(2)" onmouseout="sbmout(2)" onclick="changeListing(2); return false">VisualC++ </a></div>
<div id="divButton3" class="clButtons"><a href="#" onmouseover="sbmover(3)" onmouseout="sbmout(3)" onclick="changeListing(3); return false">Codelphi</a></div>
<div id="divButton4" class="clButtons"><a href="#" onmouseover="sbmover(4)" onmouseout="sbmout(4)" onclick="changeListing(4); return false">JAVA</a></div>