昨天分享过一个js标签云代码的特效，今天这个标签云特效是在它的其他上改良了一下，修改了鼠标移上去当前标签固定不动不会在那跟着其他标签一起旋转，这样更加实用与方便。还加上了css3的样式效果也更加的美观。

标签云JS代码如下

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var radius = 90;
var d = 200;
var dtr = Math.PI / 180;
var mcList = [];
var lasta = 1;
var lastb = 1;
var distr = true;
var tspeed = 11;
var size = 200;
var mouseX = 0;
var mouseY = 10;
var howElliptical = 1;
var aA = null;
var oDiv = null;
window.onload=function ()
{
	var i=0;
	var oTag=null;
	oDiv=document.getElementById('tagscloud');
	aA=oDiv.getElementsByTagName('a');
	for(i=0;i<aA.length;i++)
	{
		oTag={};		
		aA[i].onmouseover = (function (obj) {
                return function () {
                    obj.on = true;
                    this.style.zIndex = 9999;
                    this.style.color = '#fff';
                    this.style.background = '#0099ff';
                    this.style.padding = '5px 5px';
                    this.style.filter = "alpha(opacity=100)";
                    this.style.opacity = 1;
                }
            })(oTag)
            aA[i].onmouseout = (function (obj) {
                return function () {
                    obj.on = false;
                    this.style.zIndex = obj.zIndex;
                    this.style.color = '#fff';
                    this.style.background = '#9933FF';
                    this.style.padding = '5px';
                    this.style.filter = "alpha(opacity=" + 100 * obj.alpha + ")";
                    this.style.opacity = obj.alpha;
                    this.style.zIndex = obj.zIndex;
                }
            })(oTag)
            oTag.offsetWidth = aA[i].offsetWidth;
            oTag.offsetHeight = aA[i].offsetHeight;
            mcList.push(oTag);
	}
	sineCosine( 0,0,0 );
	positionAll();
	(function () {
            update();
            setTimeout(arguments.callee, 40);
        })();
};
function update()
{
	var a, b, c = 0;
        a = (Math.min(Math.max(-mouseY, -size), size) / radius) * tspeed;
        b = (-Math.min(Math.max(-mouseX, -size), size) / radius) * tspeed;
        lasta = a;
        lastb = b;
        if (Math.abs(a) <= 0.01 && Math.abs(b) <= 0.01) {
            return;
        }
        sineCosine(a, b, c);
        for (var i = 0; i < mcList.length; i++) {
            if (mcList[i].on) {
                continue;
            }
            var rx1 = mcList[i].cx;
            var ry1 = mcList[i].cy * ca + mcList[i].cz * (-sa);
            var rz1 = mcList[i].cy * sa + mcList[i].cz * ca;

            var rx2 = rx1 * cb + rz1 * sb;
            var ry2 = ry1;
            var rz2 = rx1 * (-sb) + rz1 * cb;

            var rx3 = rx2 * cc + ry2 * (-sc);
            var ry3 = rx2 * sc + ry2 * cc;
            var rz3 = rz2;

            mcList[i].cx = rx3;
            mcList[i].cy = ry3;
            mcList[i].cz = rz3;

            per = d / (d + rz3);

            mcList[i].x = (howElliptical * rx3 * per) - (howElliptical * 2);
            mcList[i].y = ry3 * per;
            mcList[i].scale = per;
            var alpha = per;
            alpha = (alpha - 0.6) * (10 / 6);
            mcList[i].alpha = alpha * alpha * alpha - 0.2;
            mcList[i].zIndex = Math.ceil(100 - Math.floor(mcList[i].cz));
        }
        doPosition();
}
function depthSort()
{
	var i=0;
	var aTmp=[];
	for(i=0;i<aA.length;i++)
	{
		aTmp.push(aA[i]);
	}
	aTmp.sort
	(
		function (vItem1, vItem2)
		{
			if(vItem1.cz>vItem2.cz)
			{
				return -1;
			}
			else if(vItem1.cz<vItem2.cz)
			{
				return 1;
			}
			else
			{
				return 0;
			}
		}
	);
	for(i=0;i<aTmp.length;i++)
	{
		aTmp[i].style.zIndex=i;
	}
}
function positionAll()
{
	var phi = 0;
    var theta = 0;
    var max = mcList.length;
    for (var i = 0; i < max; i++) {
        if (distr) {
            phi = Math.acos(-1 + (2 * (i + 1)