var brOK=false;
var mie=false;
var vmin=2;
var vmax=5;
var vr=1;
var timer1;
var chinazads;
var isflash=1;                                //是否为FLASH文件的漂浮 1=是 0=否
var pic="";                        //图片的地址
var alt="";        //鼠标放在图片上时显示的提示文字
var url="";                //图片链接的地址
var flashurl="alivworld.swf" ;                //FLASH文件的路径
var Wimg=350;                                //图像的宽度
var Himg=350;                                //图像的高度

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 chinazads()
{
        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();
        }
        chinazads.named="chinazads";
        chinazads.vx=vmin+vmax*Math.random();
        chinazads.vy=vmin+vmax*Math.random();
        chinazads.w=1;
        chinazads.h=1;
        chinazads.xx=0;
        chinazads.yy=0;
        chinazads.timer1=null;
        movechip("chinazads");
}

document.write('<div id="chinazads" onmouseover=stopme("chinazads"); onmouseout=movechip("chinazads"); 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' menu='false' wmode='transparent'></EMBED>" );
}
else
{
document.write("<a href='"+url+"' target=_blank>");
document.write("<img src='" + pic + "' alt='" + alt + "' border=0 width='" + Wimg + "' height='" + Himg + "'></a>");
}
document.write("</div>");
chinazads();