222、flash图片切换

222flash图片切换

<script language="javascript1.2">

 

var Ymax=8;                                //MAX # OF PIXEL STEPS IN THE "X" DIRECTION

var Xmax=8;                                //MAX # OF PIXEL STEPS IN THE "Y" DIRECTION

var Tmax=10000;                        //MAX # OF MILLISECONDS BETWEEN PARAMETER CHANGES

 

var floatimages=new Array();

floatimages[0]='sto/01.gif';//修改图片地址,可以增加图片数目

//floatimages[1]='002.gif';

 

//*********DO NOT EDIT BELOW***********

var NS4 = (navigator.appName.indexOf("Netscape")>=0 && parseFloat(navigator.appVersion) >= 4 && parseFloat(navigator.appVersion) < 5)? true : false;

var IE4 = (document.all)? true : false;

var NS6 = (parseFloat(navigator.appVersion) >= 5 && navigator.appName.indexOf("Netscape")>=0 )? true: false;

var wind_w, wind_h, t='', IDs=new Array();

for(i=0; i<floatimages.length; i++){

t+=(NS4)?'<layer name="pic'+i+'" visibility="hide" width="10" height="10"><a href="javascript:hidebutterfly()">' : '<div id="pic'+i+'" style="position:absolute; visibility:hidden;width:10px; height:10px"><a href="javascript:hidebutterfly()">';

t+='<img src="'+floatimages[i]+'" name="p'+i+'" border="0">';

t+=(NS4)? '</a></layer>':'</a></div>';

}

document.write(t);

 

function moveimage(num){

if(getidleft(num)+IDs[num].W+IDs[num].Xstep >= wind_w+getscrollx())IDs[num].Xdir=false;

if(getidleft(num)-IDs[num].Xstep<=getscrollx())IDs[num].Xdir=true;

if(getidtop(num)+IDs[num].H+IDs[num].Ystep >= wind_h+getscrolly())IDs[num].Ydir=false;

if(getidtop(num)-IDs[num].Ystep<=getscrolly())IDs[num].Ydir=true;

moveidby(num, (IDs[num].Xdir)? IDs[num].Xstep :  -IDs[num].Xstep , (IDs[num].Ydir)?  IDs[num].Ystep:  -IDs[num].Ystep);

}

 

function getnewprops(num){

IDs[num].Ydir=Math.floor(Math.random()*2)>0;

IDs[num].Xdir=Math.floor(Math.random()*2)>0;

IDs[num].Ystep=Math.ceil(Math.random()*Ymax);

IDs[num].Xstep=Math.ceil(Math.random()*Xmax)

setTimeout('getnewprops('+num+')', Math.floor(Math.random()*Tmax));

}

 

function getscrollx(){

if(NS4 || NS6)return window.pageXOffset;

if(IE4)return document.body.scrollLeft;

}

 

function getscrolly(){

if(NS4 || NS6)return window.pageYOffset;

if(IE4)return document.body.scrollTop;

}

 

function getid(name){

if(NS4)return document.layers[name];

if(IE4)return document.all[name];

if(NS6)return document.getElementById(name);

}

 

function moveidto(num,x,y){

if(NS4)IDs[num].moveTo(x,y);

if(IE4 || NS6){

IDs[num].style.left=x+'px';

IDs[num].style.top=y+'px';

}}

 

function getidleft(num){

if(NS4)return IDs[num].left;

if(IE4 || NS6)return parseInt(IDs[num].style.left);

}

 

function getidtop(num){

if(NS4)return IDs[num].top;

if(IE4 || NS6)return parseInt(IDs[num].style.top);

}

 

function moveidby(num,dx,dy){

if(NS4)IDs[num].moveBy(dx, dy);

if(IE4 || NS6){

IDs[num].style.left=(getidleft(num)+dx)+'px';

IDs[num].style.top=(getidtop(num)+dy)+'px';

}}

 

function getwindowwidth(){

if(NS4 || NS6)return window.innerWidth;

if(IE4)return document.body.clientWidth;

}

 

function getwindowheight(){

if(NS4 || NS6)return window.innerHeight;

if(IE4)return document.body.clientHeight;

}

 

function init(){

wind_w=getwindowwidth();

wind_h=getwindowheight();

for(i=0; i<floatimages.length; i++){

IDs[i]=getid('pic'+i);

if(NS4){

IDs[i].W=IDs[i].document.images["p"+i].width;

IDs[i].H=IDs[i].document.images["p"+i].height;

}

if(NS6 || IE4){

IDs[i].W=document.images["p"+i].width;

IDs[i].H=document.images["p"+i].height;

}

getnewprops(i);

moveidto(i , Math.floor(Math.random()*(wind_w-IDs[i].W)), Math.floor(Math.random()*(wind_h-IDs[i].H)));

if(NS4)IDs[i].visibility = "show";

if(IE4 || NS6)IDs[i].style.visibility = "visible";

startfly=setInterval('moveimage('+i+')',Math.floor(Math.random()*100)+100);

}}

 

function hidebutterfly(){

for(i=0; i<floatimages.length; i++){

if (IE4)

eval("document.all.pic"+i+".style.visibility='hidden'")

else if (NS6)

document.getElementById("pic"+i).style.visibility='hidden'

else if (NS4)

eval("document.pic"+i+".visibility='hide'")

clearInterval(startfly)

}

}

 

if (NS4||NS6||IE4){

window.onload=init;

window.onresize=function(){ wind_w=getwindowwidth(); wind_h=getwindowheight(); }

}

</script>

 

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