我有以下 jQuery 标签云效果的代码。当我加载页面时，它的菜单正在移动，但是当我将鼠标悬停在菜单上时，它也在移动。
当我将鼠标悬停在它上面时，如何停止它的移动？
jQuery代码：
$.fn.jcloud=function(settings)
{
jCloud={
tags: new Array(),
container_id: 'jcloud',
radius: 100,
size: 20,
areal: 180,
iterX: 0,
iterY: 0,
iterx: 1,
itery: 1,
step: 4,
flats: 1,
speed: 100,
start_speed: 1,
timer: 0,
clock: 10,
stop: true,
splitX: 0,
splitY: 0,
colors: new Array(),
init: function (elem,settings) {
$(elem).css('display','none');
var i=0;
$(elem).find('li').each(function(){
jCloud.tags[i]=$(this).html();
i++;
});
if (typeof(settings) != 'undefined')
{
try {
if (typeof(settings.container_id) != 'undefined')
{
this.container_id=settings.container_id;
}
if (typeof(settings.radius) != 'undefined')
{
this.radius=settings.radius;
}
if (typeof(settings.size) != 'undefined')
{
this.size=settings.size;
}
if (typeof(settings.areal) != 'undefined')
{
this.areal=settings.areal;
}
if (typeof(settings.step) != 'undefined')
{
this.step=settings.step;
}
if (typeof(settings.flats) != 'undefined')
{
this.flats=settings.flats;
}
if (typeof(settings.speed) != 'undefined')
{
if (settings.speed < 1)
{
settings.speed=1;
}
this.speed=settings.speed;
}
if (typeof(settings.clock) != 'undefined')
{
this.clock=settings.clock;
}
if (typeof(settings.splitX) != 'undefined')
{
if (Math.abs(settings.splitX) < 2*this.radius)
{
this.splitX=settings.splitX;
}
}
if (typeof(settings.splitY) != 'undefined')
{
if (Math.abs(settings.splitY) < 2*this.radius)
{
this.splitY=settings.splitY;
}
}
if (typeof(settings.colors) != 'undefined' && settings.colors
instanceof Array)
{
this.colors=settings.colors;
}
} catch (e) {}
}
$(elem).replaceWith('<div id="'+this.container_id+'"></div>');
$('#'+this.container_id).css({
'position':'relative',
'width':this.radius*2,
'height':this.radius*2,
'overflow':'hidden',
'padding': '0px'
});
$('#'+this.container_id).mousemove(function(e){
var centerX=$(this).offset().left+jCloud.radius;
var centerY=$(this).offset().top+jCloud.radius;
jCloud.speed=jCloud.start_speed;
jCloud.iterx=(centerX-e.pageX)/jCloud.radius;
jCloud.itery=(centerY-e.pageY)/jCloud.radius;
});
$('#'+this.container_id).mouseover(function()
{
jCloud.stop=true, 0, 'rotate';
});
$('#'+this.container_id).mouseout(function()
{
jCloud.stop=false;
});
$('body').append('<div id="jcloud-buffer"></div>');
$('#jcloud-buffer').css({
'display': 'none',
'padding': '0px',
'white-space': 'nowrap'
});
},
render: function() {
$('#'+this.container_id).empty();
this.start_speed=this.speed;
for (var j in this.tags)
{
this.draw(j);
}
this.cloud();
},
draw: function(id) {
$('#jcloud-buffer').html('<div class="jtag" id="jtag-
'+id+'">'+this.tags[id]+'</div>');
var taghtml=$('#jcloud-buffer').html();
var width=$('#jcloud-buffer').width();
var height=$('#jcloud-buffer').height();
$('#'+this.container_id).append(taghtml);
$('#jtag-'+id).attr('width',width);
$('#jtag-'+id).attr('height',height);
},
cloud: function(iter,flat_iter,update) {
var count=this.tags.length;
var per_flat=Math.ceil(count/this.flats);
var delta=Math.round(360/per_flat);
var deg=0;
var flat_deg=0;
if (typeof(iter) != 'undefined')
{
deg=Math.floor(iter);
}
if (typeof(flat_iter) != 'undefined')
{
flat_deg=Math.floor(flat_iter);
}
var flat_offset=Math.floor(this.areal/(this.flats+1))/2+flat_deg;
var flat_delta=Math.floor(this.areal/this.flats);
var flat_co=0;
for (var j in this.tags)
{
this.pos(deg,j,parseInt($('#jtag-'+j).attr('width')),parseInt($('#jtag-
'+j).attr('height')),flat_offset,update);
deg+=delta;
flat_co++;
if (flat_co>=per_flat)
{
flat_offset+=flat_delta;
flat_co=0;
deg+=flat_delta;
}
}
},
pos: function(degree,id,width,height,offset,update) {
var radian=degree*Math.PI/180;
var ell_offset=offset*Math.PI/180;
var size_offset=0;
var size=this.size+size_offset;
var X=this.radius+Math.sin(radian)*this.radius*Math.cos(ell_offset)-width/2;
var Y=this.radius-Math.cos(radian)*this.radius-height/2;
size=(1+Math.cos(radian-1.57)*Math.sin(ell_offset))*size/2;
if (size < 1)
{
size=1;
}
if (typeof(update) == 'undefined' || update==false)
{
if (this.colors.length > 0)
{
for (var i in this.colors)
{
if ((parseInt(id)+1) % (this.colors.length-i) == 0)
{
//$('#jtag-'+id).css('color',this.colors[this.colors.length-
i-1]);
//$('#jtag-
'+id).children('a').css('color',this.colors[this.colors.length-i-1]);
$('#jtag-
'+id).attr('style','color:'+this.colors[this.colors.length-i-1]+' !important');
$('#jtag-
'+id).children('a').attr('style','color:'+this.colors[this.colors.length-i-1]+'
!important');
break;
}
}
}
$('#jtag-'+id).css({
'position':'absolute',
'white-space': 'nowrap',
'font-weight': 'normal'
});
}
var opacity=1;
opacity=(1+Math.cos(radian-1.57)*Math.sin(ell_offset))*opacity/2;
if (opacity<.5)
{
opacity=.5;
}
if (this.splitX)
{
var offsetX=parseInt(this.splitX);
if (id%2==0)
{
X-=offsetX;
} else
{
X+=offsetX;
}
}
if (this.splitY)
{
var offsetY=parseInt(this.splitY);
if (id%2==0)
{
Y-=offsetY;
} else
{
Y+=offsetY;
}
}
$('#jtag-'+id).css({
'left':Math.round(X),
'top':Math.round(Y),
'font-size':Math.floor(size)+'px',
'opacity': opacity
});
},
update: function() {
this.timer++;
var interval=Math.floor(.1/jCloud.speed);
if (this.timer < interval)
{
return;
}
if (this.stop)
{
this.speed=this.speed-(this.speed*.1);
}
this.timer=1;
if (this.iterX >= 360)
{
this.iterX=360-this.iterX;
}
if (this.iterY >= 360)
{
this.iterY=360-this.iterY;
}
this.iterX+=this.iterx;
this.iterY+=this.itery;
this.cloud(this.iterY,this.iterX,true);
}
}
jCloud.init($(this),settings);
jCloud.render();
jCloudInterval=window.setInterval("jCloud.update()",jCloud.clock);
}