JS漂浮图片，点击图片后会关闭_图片特效特效

点击图片后，图片关闭的JS代码，类似漂浮广告的效果，只不过这里的关闭事件是图片本身，如果再加上“关闭”两个字，将事件驱动移到上面，就成了一款可以关闭的JS图片广告了。

<title>JS漂浮图片，点击图片后会关闭</title>
<script language="JavaScript">
var Ymax=8;
var Xmax=8;
var Tmax=10000;
var floatimages=new Array();
floatimages[0]='/images/logo.gif';
floatimages[1]='/jscss/demoimg/wall_s8.jpg';
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="http://p1.mb5u.com/texiao/1/20110225160501271" 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;
}

所属频道：图片特效特效/更新时间：2012-12-01

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JS漂浮图片，点击图片后会关闭_图片特效特效

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