As3.0 navigation bar menu instance

Code:

Set frame speed
Stage.framerate=30
Declare some variables
var namearray:array=new Array ("Flash bar", "Anime", "textbook", "Material", "forum");
var urlarray:array=new Array ("", "/flash",
"/teach", "/download.shtml",
"Http://space.flash8.net/bbs");
var Btn:simplebutton;
var k:uint;
var url:urlrequest;
var t:timer=new Timer (30);
var X0:number;
var Y0:number;
Create a button
For (k=0 k<namearray.length; k++) {
Btn=new SimpleButton ();
btn.x=50*k+100;
btn.y=50;
Btn.upstate=hua (0x006600);
Btn.overstate=hua (0x009900);
Btn.downstate=hua (0x006600);
Btn.hitteststate=btn.upstate;
Btn.addeventlistener (MOUSEEVENT.MOUSE_MOVE,JG);
Btn.addeventlistener (MOUSEEVENT.CLICK,DJ);
var txt:textfield=new TextField ();
Txt.autosize=textfieldautosize.center;
TXT.TEXTCOLOR=0XFFFFFF;
TXT.TEXT=NAMEARRAY[K];
txt.x= (btn.width-txt.width)/2+btn.x;
Txt.y= (btn.height-txt.height)/2+btn.y;
AddChild (BTN);
AddChild (TXT);
Txt.mouseenabled=false;
}
function Hua (color:uint): Shape {
var circle:shape=new Shape ();
Circle.graphics.beginFill (color);
Circle.graphics.drawRect (0,0,50,20);
Circle.graphics.endFill ();
return circle;
}
button to indicate
var zs:sprite=new Sprite ();
Zs.graphics.beginFill (0x009900);
Zs.graphics.moveTo ( -5,15);
Zs.graphics.lineTo (5,15);
Zs.graphics.lineTo (0,10);
Zs.graphics.lineTo ( -5,15);
Zs.graphics.endFill ();
zs.x=125;
zs.y=35;
AddChild (ZS);
The coordinate settings indicated by the button
T.addeventlistener ("Timer", JS);
Function js (e:timerevent): void {
var dx:number=x0-zs.x;
var dy:number=y0-zs.y;
var jl:number=math.sqrt (Dx*dx+dy*dy);
if (jl<1) {
zs.x=x0;
Zs.y=y0;
T.stop ();
} else {
var vx:number=dx*.2;
var vy:number=dy*.2;
ZS.X+=VX;
Zs.y+=vy;
}
}
Mouse over button
function JG (e:mouseevent): void {
x0=e.target.x+25;
y0=e.target.y-15;
T.start ();
}
Press the mouse button
function DJ (e:mouseevent): void {
var b:simplebutton=e.target as SimpleButton;
Url=new URLRequest (Urlarray[getchildindex (b)/2]);
Navigatetourl (URL);
}

For more tutorials, please go to www.111cn.net/flash_a/flash.html