function $(element){
return element = document.getElementById(element);
}

function $use(){
var d=$('flashchatuser');
var sb=$('userstate');

		if(sb.innerHTML !=foldw){
			d.innerHTML= limituserlist;
			sb.innerHTML= foldw;
		}else{
			d.innerHTML= userlist;
			sb.innerHTML= holdw;
		}
}

//var userlist = '123, 123, 1dz, 12312, adasd, xzcvxc, sadfdd, 231, dsasd, adsdas'; 
//接收用户列表
var limituserlist ='';
var maxuserlimit = 5;
var foldw = '>>';
var holdw = '<<';
var mystr = userlist.split(",");

foldw = '<b><u>'+foldw+'</u></b>';
holdw = '<b><u>'+holdw+'</u></b>';
if(mystr[maxuserlimit] != undefined)
{
	for(var i=0;i<maxuserlimit;i++) 
	{
		limituserlist +=mystr[i];
		if(i != maxuserlimit-1)
		{
			limituserlist +=',';
		}
	}
    
	var viewlist = limituserlist;
}else{
    var viewlist = userlist;
}

document.write('<span class="small" id="flashchatuser">'+viewlist+'</span>');
if(mystr[maxuserlimit]!= undefined && userlist != 'None'){ 
document.write('<a href=\'javascript:void(0);\' id="userstate" onClick="$use()">'+foldw+'</a>');
}