动态飘动图js

js部分：1、imgrun.js 链接： https://files.cnblogs.com/weipeng/imgrun.js

<script src="js/imgrun.js" language="javascript">
function addEvent(obj,evtType,func,cap){
cap=cap||false;
if(obj.addEventListener){
obj.addEventListener(evtType,func,cap);
return true;
}else if(obj.attachEvent){
if(cap){
obj.setCapture();
return true;
}else{
return obj.attachEvent("on" + evtType,func);
}
}else{
return false;
}
}
function getPageScroll(){
var xScroll,yScroll;
if (self.pageXOffset) {
xScroll = self.pageXOffset;
} else if (document.documentElement && document.documentElement.scrollLeft){
xScroll = document.documentElement.scrollLeft;
} else if (document.body) {
xScroll = document.body.scrollLeft;
}
if (self.pageYOffset) {
yScroll = self.pageYOffset;
} else if (document.documentElement && document.documentElement.scrollTop){
yScroll = document.documentElement.scrollTop;
} else if (document.body) {
yScroll = document.body.scrollTop;
}
arrayPageScroll = new Array(xScroll,yScroll);
return arrayPageScroll;
}
function GetPageSize(){
var xScroll, yScroll;
if (window.innerHeight && window.scrollMaxY) {
xScroll = document.body.scrollWidth;
yScroll = window.innerHeight + window.scrollMaxY;
} else if (document.body.scrollHeight > document.body.offsetHeight){
xScroll = document.body.scrollWidth;
yScroll = document.body.scrollHeight;
} else {
xScroll = document.body.offsetWidth;
yScroll = document.body.offsetHeight;
}
var windowWidth, windowHeight;
if (self.innerHeight) {
windowWidth = self.innerWidth;
windowHeight = self.innerHeight;
} else if (document.documentElement && document.documentElement.clientHeight) {
windowWidth = document.documentElement.clientWidth;
windowHeight = document.documentElement.clientHeight;
} else if (document.body) {
windowWidth = document.body.clientWidth;
windowHeight = document.body.clientHeight;
}
if(yScroll < windowHeight){
pageHeight = windowHeight;
} else {
pageHeight = yScroll;
}
if(xScroll < windowWidth){
pageWidth = windowWidth;
} else {
pageWidth = xScroll;
}
arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
return arrayPageSize;
}
var AdMoveConfig=new Object();
AdMoveConfig.IsInitialized=false;
AdMoveConfig.ScrollX=0;
AdMoveConfig.ScrollY=0;
AdMoveConfig.MoveWidth=0;
AdMoveConfig.MoveHeight=0;
AdMoveConfig.Resize=function(){
var winsize=GetPageSize();
AdMoveConfig.MoveWidth=winsize[2];
AdMoveConfig.MoveHeight=winsize[3];
AdMoveConfig.Scroll();
}
AdMoveConfig.Scroll=function(){
var winscroll=getPageScroll();
AdMoveConfig.ScrollX=winscroll[0];
AdMoveConfig.ScrollY=winscroll[1];
}
addEvent(window,"resize",AdMoveConfig.Resize);
addEvent(window,"scroll",AdMoveConfig.Scroll);
function AdMove(id){
if(!AdMoveConfig.IsInitialized){
AdMoveConfig.Resize();
AdMoveConfig.IsInitialized=true;
}
var obj=document.getElementById(id);
obj.style.position="absolute";
var W=AdMoveConfig.MoveWidth-obj.offsetWidth;
var H=AdMoveConfig.MoveHeight-obj.offsetHeight;
var x = W*Math.random(),y = H*Math.random();
var rad=(Math.random()+1)*Math.PI/6;
var kx=Math.sin(rad),ky=Math.cos(rad);
var dirx = (Math.random()<0.5?1:-1), diry = (Math.random()<0.5?1:-1);
var step = 1;
var interval;
this.SetLocation=function(vx,vy){x=vx;y=vy;}
this.SetDirection=function(vx,vy){dirx=vx;diry=vy;}
obj.CustomMethod=function(){
obj.style.left = (x + AdMoveConfig.ScrollX) + "px";
obj.style.top = (y + AdMoveConfig.ScrollY) + "px";
rad=(Math.random()+1)*Math.PI/6;
W=AdMoveConfig.MoveWidth-obj.offsetWidth;
H=AdMoveConfig.MoveHeight-obj.offsetHeight;
x = x + step*kx*dirx;
if (x < 0){dirx = 1;x = 0;kx=Math.sin(rad);ky=Math.cos(rad);}
if (x > W){dirx = -1;x = W;kx=Math.sin(rad);ky=Math.cos(rad);}
y = y + step*ky*diry;
if (y < 0){diry = 1;y = 0;kx=Math.sin(rad);ky=Math.cos(rad);}
if (y > H){diry = -1;y = H;kx=Math.sin(rad);ky=Math.cos(rad);}
}
this.Run=function(){
var delay = 10;
interval=setInterval(obj.CustomMethod,delay);
obj.onmouseover=function(){clearInterval(interval);}
obj.onmouseout=function(){interval=setInterval(obj.CustomMethod, delay);}
}
}
</script>
<script language="javascript">
new AdMove("rundiv").Run();
function closeDiv(){
document.getElementById('rundiv').style.display='none';
}
</script>

页面部分：

<style>
#rundiv{margin:0px; padding:0px; font:12px/1.5 微软雅黑, Arial, Helvetica, sans-serif; color:#FFF; 158px; background-color:#29653f;}
#rundiv *{margin:0px; padding:0px;}
#rundiv .inner_welFloat{background-color:#518c36; position:relative; left:-2px; top:-2px; padding:5px 6px 10px; zoom:1;}
#rundiv .close_welFloat{position:absolute; 7px; height:7px; overflow:hidden; text-indent:-9999px; background:url(/templates/bjwz/images/icon_close.gif) no-repeat; top:5px; right:5px;}
</style>
<div id="rundiv" style="position: absolute; left: 242.056px; top: 250.77px;">
<div class="inner_welFloat">
<a class="close_welFloat" onclick="document.getElementById('rundiv').style.display = 'none'" href="javascript:void(0)">关闭</a>
<div style="background:url(/templates/bjwz/images/icon_welcome.gif) no-repeat 84px 0px; padding-top:6px ">
<p style="font-size:16px;">欢迎访问</p>
<p style="font-size:14px; padding-left:12px; margin-top:2px;">
<a href="http://www.baidu.com"> 超星卫鹏网</a>
</p>
</div>
</div>
</div>