function QueryParser(str) {
   /******************** QueryParser **********************
    ********************* by Airshow **********************
    *** http://www.daniweb.com/forums/member512379.html ***
    ********* Please keep this attribution intact *********/
	if (str) {
		str = unescape(str);
		if (str.indexOf("?") === 0) { str = str.substring(1); }
		var args = str.split("&");
		for (var i = 0; i < args.length; i++) {
			var pair = args[i].split("=");
			if (pair.length >= 1) {
				var prop = pair.shift();
				this[prop] = (pair.length == 1) ? pair[0] : (pair.length > 1) ? pair.join('=') : '';
			}
		}
	}
	this.set = function (prop, value) { return this[prop] = value; };
	this.clear = function (prop) {
		if(typeof this[prop] !== 'undefined') {
			this.set(prop, null);
			return true;
		}
		else { return false; }
	};
	this.build = function (baseURL, hashName) {
		baseURL = (!baseURL || typeof baseURL !== 'string') ? '?' : (baseURL.indexOf("?") === -1) ? (baseURL + '?') : baseURL;
		hashName = (!hashName || typeof hashName !== 'string') ? '' : (hashName.indexOf("#") === -1) ? ('#' + hashName) : hashName;
		var strArray = [];
		for (var prop in this) {
			if (typeof this[prop] !== 'undefined' && typeof this[prop] !== 'function' && this[prop] !== null) { strArray.push([prop, '=', this[prop]].join('')); }
		}
		return baseURL + strArray.join('&') + hashName;
	};
	this.buildLink = function (baseURL, linkTxt) {
		var url = this.build(baseURL);
		return [ '<a href="', url, '">', ((!linkTxt) ? url : linkTxt), '</a>' ].join('');
	};
}