document.write('<table height=20  cellSpacing=0 cellPadding=0 border=0 id=rg_ad><!--<tr><td height=66><a href=http://www.zqok.cn target=_blank><img src=http://www.190bp.com/ad/zqok_120x60.gif border=0 width=120 height=60></a></td></tr>--></table>');

setTimeout("ReplaceAdIni()",50);
setTimeout("ReplaceAd()",600000);

var m=document.getElementById("rg_ad").rows.length; //共几个Banner随机显示 

function ReplaceAdIni()
{
	var str="";
	var temp="";
	for(var i=0;i<m;i++)
	{
		var n=Math.floor(Math.random()*m+1);
        var j=Math.floor(Math.random()*m+1);
		if(temp.indexOf(n)!=-1)
		{
		n=Math.floor(Math.random()*m+1);
        document.getElementById("rg_ad").moveRow(n-1,j-1);
        temp+=n+","+j;
		}
		else
		{
		document.getElementById("rg_ad").moveRow(n-1,rg_ad.rows.length-n);
        temp+=n+",";
		}
	}	
}

function ReplaceAd()
{
	try
	{
		//document.all.lf_ad.moveRow(1,lf_ad.rows.length - 1);
		//document.all.lf_ad.moveRow(0,lf_ad.rows.length - 2);
		document.getElementById("rg_ad").moveRow(1,rg_ad.rows.length - 1);
		document.getElementById("rg_ad").moveRow(0,rg_ad.rows.length - 2);
	}
	catch(e)
	{
	}
	setTimeout("ReplaceAd()",600000);
}