//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 chinazads;
var isflash=0;				//是否为FLASH文件的漂浮 1=是 0=否
var pic="Ad_image/002.jpg";			//图片的地址
//var pic="http://images.chinaz.com/index_images/kete_PF.gif";			//图片的地址
var alt="奉献真诚爱心，援助灾区同胞--倡议书";	//鼠标放在图片上时显示的提示文字
var url="http://www.ksmzj.gov.cn/content.jsp?id=658";//"http://www.ksltax.js.cn/content.jsp?contentid=2871";		//图片链接的地址
//var flashurl="http://images.chinaz.com/index_images/cndns.swf";		//FLASH文件的路径
var Wimg=270;				//图像的宽度
var Himg=200;				//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);
		}
		document.getElementById(chipname).style.filter="alpha(opacity=50)"; 
		chip.timer1=setTimeout("movechip('"+chip.named+"')",80);
	}
}

function stopme(chipname)
{
	if(brOK)
	{
		eval("chip="+chipname);
		if(chip.timer1!=null)
		{
			clearTimeout(chip.timer1)
		}
	}
	document.getElementById(chipname).style.filter="alpha(opacity=100)"; 
}

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;filter:alpha(opacity=50);">');
if (isflash>0)
{
document.write("<EMBED src='" + flashurl + "' quality=high  WIDTH='" + Wimg + "' HEIGHT='" + Himg + "' TYPE='application/x-shockwave-flash'></EMBED>");
}
else
{
	if(url!=""){
		document.write("<a href='" + url + "' target=_blank>");
	}
document.write("<img src='" + pic + "' alt='" + alt + "' border=0 width='" + Wimg + "' height='" + Himg + "'>");
	if(url!=""){
		document.write("</a>");
	}

}
document.write("</div>");
chinazads();