把如下代码加入
1<body>区域中
2<script language="JavaScript1.2">
3<!--//
4
5// your message here
6var msg='welcome to ********';
7
8var font='Verdana,Arial';
9var size=7; // up to seven
10var color='#ffcc33';
11
12// This is not the rotation speed, its the reaction speed, keep low!
13// Set this to 1 for just plain rotation w/out drag
14var speed=.2;
15
16// This is the rotation speed, set it negative if you want
17// it to spin clockwise
18var rotation=.2;
19
20// Alter no variables past here!, unless you are good
21//---------------------------------------------------
22
23var ns=(document.layers);
24var ie=(document.all);
25var msg=msg.split('');
26var n=msg.length;
27var a=size*15;
28var currStep=0;
29var ymouse=0;
30var xmouse=0;
31var scrll=0;
32var props="<font face="+font+" size="+size+" color="+color+">";
33
34if (ie)
35window.pageYOffset=0
36
37// writes the message
38if (ns){
39for (i=0; i < n; i++)
40document.write('<layer name="nsmsg'+i+'" top=0 left=0 height='+a+' width='+a+'><center>'+props+msg[i]+'</font></center></layer>');
41}
42if (ie){
43document.write('<div id="outer" style="position:absolute;top:0px;left:0px"><div style="position:relative">');
44for (i=0; i < n; i++)
45document.write('<div id="iemsg" style="position:absolute;top:0px;left:0;height:'+a+';width:'+a+';text-align:center;font-weight:regular;cursor:default">'+props+msg[i]+'</font></div>');
46document.write('</div></div>');
47}
48(ns)?window.captureEvents(Event.MOUSEMOVE):0;
49
50function Mouse(evnt){
51ymouse = (ns)?evnt.pageY+20-(window.pageYOffset):event.y; // y-position
52xmouse = (ns)?evnt.pageX+20:event.x-20; // x-position
53}
54
55if (ns||ie)
56(ns)?window.onMouseMove=Mouse:document.onmousemove=Mouse;
57y=new Array();
58x=new Array();
59Y=new Array();
60X=new Array();
61for (i=0; i < n; i++){
62y[i]=0;
63x[i]=0;
64Y[i]=0;
65X[i]=0;
66}
67
68function makecircle(){ // rotation properties
69if (ie) outer.style.top=document.body.scrollTop;
70currStep-=rotation;
71for (i=0; i < n; i++){ // makes the circle
72var d=(ns)?document.layers['nsmsg'+i]:iemsg[i].style;
73d.top=y[i]+a*Math.sin((currStep+i*1)/3.8)+window.pageYOffset-15;
74d.left=x[i]+a*Math.cos((currStep+i*1)/3.8)*2; // remove *2 for just a plain circle, not oval
75}
76}
77
78function drag(){ // makes the resistance
79scrll=(ns)?window.pageYOffset:0;
80y[0]=Math.round(Y[0]+=((ymouse)-Y[0])*speed);
81x[0]=Math.round(X[0]+=((xmouse)-X[0])*speed);
82for (var i=1; i < n; i++){
83y[i]=Math.round(Y[i]+=(y[i-1]-Y[i])*speed);
84x[i]=Math.round(X[i]+=(x[i-1]-X[i])*speed);
85
86}
87makecircle();
88// not rotation speed, leave at zero
89setTimeout('drag()',10);
90}
91if (ns||ie)window.onload=drag;
92
93// -->
94</script></body>