// JavaScript Document
	function getCookie(name)
	{
		var i = 0;//查找的变量开始位置
		var n = 0;//记录name的个数
		var nameIndex ;//记录name的位置
		var prefix = name + "=";
		while( (nameIndex = document.cookie.indexOf(prefix,i)) != -1 )
		{
			i = nameIndex + 1;
			if (( nameIndex != 0 ) && (document.cookie.substring(nameIndex-1,nameIndex) != " "))
			{
				continue;
			}
			else
			{
				var cookieendindex = document.cookie.indexOf(";",nameIndex + prefix.length);
				if( cookieendindex == -1 )
				cookieendindex = document.cookie.length;
				return unescape(document.cookie.substring(nameIndex + prefix.length,cookieendindex));
				break;
			}				
		}
		return null;
	}
	function getUserName()
	{
		
		var UserName=null;
		if(getCookie("UserName")!=null)
			UserName=getCookie("UserName");
		else if (getCookie("username")!=null)
			UserName=getCookie("username");
		if (UserName!=null)
			return UserName;
		else
			return null;
	}
	function decodeCookie(str)
	{
		var strArr;
		var strRtn = '';
		if(str.indexOf('a') == -1)
		{
			return null;
			}
		strArr = str.split('a');
		for(var i = strArr.length - 1 ; i >= 0 ; i --)
		{
			strRtn += String.fromCharCode(eval(strArr[i])); 
		}
		return strRtn;
	}
	function getUserNickName()
	{
		var UserNickName = null;
		if(getCookie("UserNickName") != null)
			UserNickName = decodeCookie(getCookie("UserNickName"));
		else if (getCookie("usernickname") != null)
			UserNickName = decodeCookie(getCookie("usernickname"));
		
		if(UserNickName != null)
			return UserNickName;
		else
			return null;	
	}