URLParser = function(sUrl)
{    
    this._init(sUrl);    
}    

URLParser.prototype._init=function(sUrl)
{    
    this._url = sUrl || document.location.href;    
}    

URLParser.prototype.getDomain = function()
{    
    if (this._url.match(new RegExp('^(([a-z]+)://([^\\/]+)\/?)(.*)', 'i')))
    {    
        return RegExp.$1;    
    }
    else
    {    
        return null;    
    }    
}   
 
URLParser.prototype.getParameter = function(sName)
{    
    if (this._url.match(new RegExp("(&|\\u003F)" + sName + "=([^&]*)(&|$)")))
    {    
        return RegExp.$2;    
    }
    else
    {    
        return null;    
    }    
}