if (typeof Poly9 == 'undefined')
{
var Poly9 = {};
}
/**
* Creates an URLParser instance
*
* @classDescription	Creates an URLParser instance
* @return {Object}	return an URLParser object
* @param {String} url	The url to parse
* @constructor
* @exception {String}  Throws an exception if the specified url is invalid
*/
Poly9.URLParser = function(url) {
this._fields = {
'Username' : 4,
'Password' : 5,
'Port' : 7,
'Protocol' : 2,
'Host' : 6,
'Pathname' : 8,
'URL' : 0,
'Querystring' : 9,
'Fragment' : 10
};
this._values = {};
this._regex = null;
this.version = 0.1;
this._regex = /^((\w+):\/\/)?((\w+):?(\w+)?@)?([^\/\?:]+):?(\d+)?(\/?[^\?#]+)?\??([^#]+)?#?(\w*)/;
for(var f in this._fields)
{
this['get' + f] = this._makeGetter(f);
}
if (typeof url != 'undefined')
{
this._parse(url);
}
}
/**
* @method
* @param {String} url	The url to parse
* @exception {String} 	Throws an exception if the specified url is invalid
*/
Poly9.URLParser.prototype.setURL = function(url) {
this._parse(url);
}
Poly9.URLParser.prototype._initValues = function() {
for(var f in this._fields)
{
this._values[f] = '';
}
}
Poly9.URLParser.prototype._parse = function(url) {
this._initValues();
var r = this._regex.exec(url);
if (!r) throw "DPURLParser::_parse -> Invalid URL";
for(var f in this._fields) if (typeof r[this._fields[f]] != 'undefined')
{
this._values[f] = r[this._fields[f]];
}
}
Poly9.URLParser.prototype._makeGetter = function(field) {
return function() {
return this._values[field];
}
}
//var url = 'http://user:password@www.codebit.cn:9901/pub/article.php?offset=10&perpage=10#fragment';
var url=window.location.href;
var p = new Poly9.URLParser(url);
var channel_id=p.getQuerystring().split("=")[1];