<!-- 
//修改下面的图像地址，可增加或减少图像，图像数量不得少于二幅
Pic=new Array('image/piao1.jpg','image/piao2.jpg')
//Smoothness of animation depends on the number of images and they're file size.
MaxSpeed=5;
MinSpeed=2;

load = new Array()
for(i=0; i < Pic.length; i++)
{
	load[i] = new Image();
	load[i].src = Pic[i];
}
amount=Pic.length; 
ns=(document.layers)?1:0;
if (ns) {
	for (i=0; i < amount; i++) {
		document.write("<LAYER NAME='netscape"+i+"' LEFT=0 TOP=0><img name='netpics' src="+load[i].src+"></LAYER>")
	}
} else {
	document.write("<div id='imgDiv' style='position:absolute;top:0px;left:0px;display:block'><div style='position:relative'>");
	for (i=0; i < amount; i++){
		document.write("<img id='explorer' src='"+load[i].src+"' style='position:absolute;top:0px;left:0px' onclick=\"toggle('imgDiv')\" border=0>")
	}
	document.write("</div></div>")
}

VB=0;
HB=0;
R=new Array();
PB=new Array();
RD=new Array();
Y=new Array();
X=new Array();
D=new Array();
SP=new Array();
BY=new Array();
BX=new Array();
/*
for (i=0; i < amount; i++){
	Y[i]=10;
	X[i]=10;
	t1=Math.random();
	t2=Math.random();
//	alert(t1+':'+t2)
//	D[i]=Math.floor(Math.random()*70+10);
//	SP[i]=Math.floor(Math.random()*MaxSpeed+MinSpeed);
	D[i]=Math.floor(0.5*70+10);
	SP[i]=Math.floor(0.1*MaxSpeed+MinSpeed);
}
*/
Y[0]=10;
X[0]=10;
Y[1]=1000;
X[1]=1000;
D[0]=Math.floor(0.5*70+10);
SP[0]=Math.floor(0.1*MaxSpeed+MinSpeed);
D[1]=Math.floor(0.3*70+10);
SP[1]=Math.floor(0.3*MaxSpeed+MinSpeed);

function Curve(){
	plusMinus=new Array(1,-1,2,-2,3,-3,0,1,-1,0,5,-5)
	for (i=0; i < amount; i++){
		R[i]=Math.floor(Math.random()*plusMinus.length);
		RD[i]=plusMinus[R[i]];
	}
	setTimeout('Curve()',15000);
}
function MoveRandom(){
	var H=(document.layers)?window.innerHeight:document.body.clientHeight;
	var W=(document.layers)?window.innerWidth:document.body.clientWidth;
	var YS=(document.layers)?window.pageYOffset:document.body.scrollTop;
	var XS=(document.layers)?window.pageXOffset:document.body.scrollLeft;
		for (i=0; i < amount; i++){
		BY[i]=-load[i].height;
		BX[i]=-load[i].width;
		PB[i]=D[i]+=RD[i];
		y = SP[i]*Math.sin(PB[i]*Math.PI/180);
		x = SP[i]*Math.cos(PB[i]*Math.PI/180);
		if (D[i] < 0) D[i]+=360;
		Y[i]+=y;
		X[i]+=x;
		VB=180-D[i];
		HB=0-D[i];
		//Corner rebounds! not necessary but looks nice.
		if ((Y[i] < 1) && (X[i] < 1)) {Y[i]=1;X[i]=1;D[i]=45;}
		if ((Y[i] < 1) && (X[i] > W+BX[i])) {Y[i]=1;X[i]=W+BX[i];D[i]=135;}
		if ((Y[i] > H+BY[i]) && (X[i] < 1)) {Y[i]=H+BY[i];X[i]=1;D[i]=315;}
		if ((Y[i] > H+BY[i]) && (X[i] > W+BX[i])) {Y[i]=H+BY[i];X[i]=W+BX[i];D[i]=225;}
		//Edge rebounds!
		if (Y[i] < 1) {Y[i]=1;D[i]=HB;} 
		if (Y[i] > H+BY[i]) {Y[i]=H+BY[i];D[i]=HB;} 
		if (X[i] < 1) {X[i]=1;D[i]=VB;} 
		if (X[i] > W+BX[i]) {X[i]=W+BX[i];D[i]=VB;} 
		var layer=(document.layers)?document.layers['netscape'+i]:explorer[i].style;
		layer.top=Y[i]+YS;
		layer.left=X[i]+XS;
	}
	setTimeout('MoveRandom()',30);
}
function toggle(targetid){
	if (document.getElementById){
		target=document.getElementById(targetid);
		if (target.style.display=="block"){
			target.style.display="none";
		} else {
			target.style.display="block";
		}
	}
}

function sTaRt(){Curve();MoveRandom()}



if (document.all||document.layers) sTaRt();
//-->

