var brOK=false;
var mie=false;
var vmin=2;
var vmax=5;
var vr=3;
var timer1;

function CloseDiv(id) {		
	id.style.display = 'none';
}



function moveLayers(Layersname)
{
	if(brOK)
	{
		eval("Layers="+Layersname);
		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;
		}
		Layers.xx=Layers.xx+Layers.vx;
		Layers.yy=Layers.yy+Layers.vy;
		Layers.vx+=vr*(Math.random()-0.5);
		Layers.vy+=vr*(Math.random()-0.5);
		if(Layers.vx>(vmax+vmin))  Layers.vx=(vmax+vmin)*2-Layers.vx;
		if(Layers.vx<(-vmax-vmin)) Layers.vx=(-vmax-vmin)*2-Layers.vx;
		if(Layers.vy>(vmax+vmin))  Layers.vy=(vmax+vmin)*2-Layers.vy;
		if(Layers.vy<(-vmax-vmin)) Layers.vy=(-vmax-vmin)*2-Layers.vy;
		if(Layers.xx<=pageX)
		{
			Layers.xx=pageX;
			Layers.vx=vmin+vmax*Math.random();
		}
		if(Layers.xx>=pageX+pageW-Layers.w)
		{
			Layers.xx=pageX+pageW-Layers.w;
			Layers.vx=-vmin-vmax*Math.random();
		}
		if(Layers.xx>=680)
		{
			Layers.xx=Layers.xx-20;
			Layers.vx=-vmin-vmax*Math.random();
		}
		if(Layers.yy<=pageY)
		{
			Layers.yy=pageY;
			Layers.vy=vmin+vmax*Math.random();
		}
		if(Layers.yy>=pageY+pageH-Layers.h)
		{
			Layers.yy=pageY+pageH-Layers.h;
			Layers.vy=-vmin-vmax*Math.random();
		}
		if(!mie)
		{
			eval('document.'+Layers.named+'.top ='+Layers.yy);
			eval('document.'+Layers.named+'.left='+Layers.xx);
		}
		else
		{
			eval('document.all.'+Layers.named+'.style.pixelLeft='+Layers.xx);
			eval('document.all.'+Layers.named+'.style.pixelTop ='+Layers.yy);
		}
		Layers.timer1=setTimeout("moveLayers('"+Layers.named+"')",80);
	}
}

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

function move(ma1,xx)
{

	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();
	}
	var ma=document.all(""+ma1+"");
	ma.named=ma.id;
	ma.vx=vmin+vmax*Math.random()+xx;
	ma.vy=vmin+vmax*Math.random()+xx;
	ma.w=1;
	ma.h=1;
	ma.xx=0;
	ma.yy=0;
	ma.timer1=null;
	moveLayers(ma.id);
}

function showMove(id,url,src,xx){
id = "M"+id;
document.write('<div id="'+id+'" style="height:49px;left:278px;position:absolute;top:1237px;width:160px;z-index:1000">');
document.write('<a href="'+url+'" target="_blank" onmouseover=stopme("'+id+'"); onmouseout=moveLayers("'+id+'");>');
document.write('<img src="'+src+'" border="0" ></a><br><center><a href="#" onclick=CloseDiv('+id+') onmouseover=stopme("'+id+'"); onmouseout=moveLayers("'+id+'"); style="font-size:12px">关闭</a></center></div>');

move(id,xx);

}

function showMoveSwf(id,url,src,xx){
id = "M"+id;
document.write('<div id="'+id+'" style="height:49px;left:278px;position:absolute;top:1237px;width:100px;z-index:99999999;color:#2A2A2A;">');
document.write('<a href="'+url+'" target="_blank" onmouseover=stopme("'+id+'"); onmouseout=moveLayers("'+id+'");>');
document.write('<EMBED id=sinadl  pluginspage=http://www.macromedia.com/go/getflashplayer src=' + src + '  width=100 height=90 type=application/x-shockwave-flash wmode="opaque" quality="high"></EMBED></a><br><div style="width:100%;" align=right ><a href="#" onclick=CloseDiv('+id+') onmouseover=stopme("'+id+'"); onmouseout=moveLayers("'+id+'"); style="font-size:12px;background-color:#fff;">关闭</a>&nbsp;</div></div>');

move(id,xx);

}