//可设置漂浮图片是否为FLASH以及显示大小
var brOK=false;
var mie=false;
var vmin=2;
var vmax=5;
var vr=1;
var timer1;
var ads;

function movechip(chipname)
{
    if(brOK)
    {
      eval("chip="+chipname);
      if(!mie)
      {
       pageX=window.pageXOffset;
       pageW=window.innerWidth;
       pageY=window.pageYOffset;
       pageH=window.innerHeight;
      } 
      else
      {
       pageX=window.document.body.scrollLeft;
       pageW=window.document.body.offsetWidth-8;
       pageY=window.document.body.scrollTop;
       pageH=window.document.body.offsetHeight;
      }
      chip.xx=chip.xx+chip.vx;
      chip.yy=chip.yy+chip.vy;
      chip.vx+=vr*(Math.random()-0.5);
      chip.vy+=vr*(Math.random()-0.5);
      if(chip.vx>(vmax+vmin))  chip.vx=(vmax+vmin)*2-chip.vx;
      if(chip.vx<(-vmax-vmin)) chip.vx=(-vmax-vmin)*2-chip.vx;
      if(chip.vy>(vmax+vmin))  chip.vy=(vmax+vmin)*2-chip.vy;
      if(chip.vy<(-vmax-vmin)) chip.vy=(-vmax-vmin)*2-chip.vy;
      if(chip.xx<=pageX)
      {
       chip.xx=pageX;
       chip.vx=vmin+vmax*Math.random();
      }
      if(chip.xx>=pageX+pageW-chip.w)
      {
       chip.xx=pageX+pageW-chip.w;
       chip.vx=-vmin-vmax*Math.random();
      }
      if(chip.xx>=680)
      {
       chip.xx=chip.xx-20;
       chip.vx=-vmin-vmax*Math.random();
      }
      if(chip.yy<=pageY)
      {
       chip.yy=pageY;
       chip.vy=vmin+vmax*Math.random();
      }
      if(chip.yy>=pageY+pageH-chip.h)
      {
       chip.yy=pageY+pageH-chip.h;
       chip.vy=-vmin-vmax*Math.random();
      }
      if(!mie)
      {
       eval('document.'+chip.named+'.top ='+chip.yy);
       eval('document.'+chip.named+'.left='+chip.xx);
      }
      else
      {
       eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
       eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy);
      }
      chip.timer1=setTimeout("movechip('"+chip.named+"')",80);
    }
}

function stopme(chipname)
{
    if(brOK)
    {
      eval("chip="+chipname);
      if(chip.timer1!=null)
      {
       clearTimeout(chip.timer1)
      }
    }
}

function ads()
{
    if(navigator.appName.indexOf("Internet Explorer")!=-1)
    {
      if(parseInt(navigator.appVersion.substring(0,1))>=4) brOK=navigator.javaEnabled();mie=true;
    }
    if(navigator.appName.indexOf("Netscape")!=-1)
    {
      if(parseInt(navigator.appVersion.substring(0,1))>=4) brOK=navigator.javaEnabled();
    }
    ads.named="ads";  
    ads.vx=vmin+vmax*Math.random();
    ads.vy=vmin+vmax*Math.random();
    ads.w=1;
    ads.h=1;
    ads.xx=0;
    ads.yy=0;
    ads.timer1=null;
    movechip("ads");
}

//是否为FLASH,链接的地址
function adUpload(type,link,urlpath)
{
    var isflash=type;      //是否为FLASH文件的漂浮 1=是 0=否   
    var alt="";     //鼠标放在图片上时显示的提示文字
    var url=link;  //图片链接的地址
    var flashurl="";   //FLASH文件的路径
    var picName=""; //图片的路径
    var Wimg=100;     //图像的宽度
    var Himg=100;     //图像的高度
    
    if(isflash==1)
    {
       flashurl=urlpath;
    }
    else
    {
       picName=urlpath;
    }
    
    
    document.write('<div id="ads" onmouseover=stopme("ads"); onmouseout=movechip("ads"); style="height:49px;left:178px;position:absolute;top:1237px;width:70px; z-index:1000">');
    if (isflash>0)
    {
       document.write("<EMBED src='" + flashurl + "' quality=high  WIDTH='" + Wimg + "' HEIGHT='" + Himg + "' TYPE='application/x-shockwave-flash'></EMBED>");
    }
    else
    {
       document.write("<a href='" + url + "' target=_blank>");
       document.write("<img src='" + picName + "' alt='" + alt + "' border=0 width='" + Wimg + "' height='" + Himg + "'></a>");
    }
    document.write("</div>");
    ads();
}