var ifeng_broadcast_iframe_id='broadcast_'+ifeng_broadcast_id;
var ifeng_broadcast_interval=3000;
var ifeng_broadcast_interval_id=null;
var ifeng_broadcast_isScrollToBottom=false;
var ifeng_broadcast_setScrollToBottom=true;//user set scorll or not
var ifeng_broadcast_order;
function ifeng_broadcast_getUrl(order)
{
	ifeng_broadcast_order = order;
	if(ifeng_broadcast_order==null)
	{
		ifeng_broadcast_order='b';
	}
	return 'http://zhibo.ifeng.com/statics/'+Math.floor(ifeng_broadcast_id/1000)+'/'+ifeng_broadcast_id+ifeng_broadcast_order+'.html';
};
var ifeng_broadcast_current_url=ifeng_broadcast_getUrl();
function ifeng_broadcast_change_order(order){
	ifeng_broadcast_current_url=ifeng_broadcast_getUrl(order);	
	ifeng_broadcast_refresh();
}
function ifeng_broadcast_refresh(){
	if(ifeng_broadcast_order=='a' && ifeng_broadcast_setScrollToBottom)
	{
		ifeng_broadcast_isScrollToBottom = true;
	}
	else
	{
		ifeng_broadcast_isScrollToBottom = false;
	}	
	document.getElementById(ifeng_broadcast_iframe_id).src=ifeng_broadcast_current_url+'?'+new Date().getHours()+ '_' +new Date().getMinutes();
}

function ifeng_broadcast_auto_refresh(interval){	
	if(interval!=null){ifeng_broadcast_interval=interval*1000;}
	clearInterval(ifeng_broadcast_interval_id);
	ifeng_broadcast_interval_id=setInterval(ifeng_broadcast_refresh,ifeng_broadcast_interval);
}
function ifeng_broadcast_init(){
	if(typeof ifeng_broadcast_width=='undefined'){ifeng_broadcast_width=500;}
	if(typeof ifeng_broadcast_height=='undefined'){ifeng_broadcast_height=800;}
	if(typeof ifeng_broadcast_cssclass=='undefined'){ifeng_broadcast_cssclass='broadcast';}
	document.write('<iframe id="'+ifeng_broadcast_iframe_id+'" src="'+ifeng_broadcast_current_url+'" class="'+ifeng_broadcast_cssclass+'" frameborder="0" width="'+ifeng_broadcast_width+'" height="'+ifeng_broadcast_height+'"></iframe>');
}
document.domain  =  "ifeng.com";
ifeng_broadcast_init();