$.extend({ URLEncode: function(c) {
    if (c != null && c.length > 1 )
    {
	    var o = ''; var x = 0; c = c.toString(); var r = /(^[a-zA-Z0-9_.]*)/;
	    while (x < c.length) {
		    var m = r.exec(c.substr(x));
		    if (m != null && m.length > 1 && m[1] != '') {
			    o += m[1]; x += m[1].length;
		    } else {
			    if (c[x] == ' ') o += '+'; else {
				    var d = c.charCodeAt(x); var h = d.toString(16);
				    o += '%' + (h.length < 2 ? '0' : '') + h.toUpperCase();
			    } x++;
		    } 
	    }
	}
	 return o;
},
	URLDecode: function(s) {
		var o = s; var binVal, t; var r = /(%[^%]{2})/;
		while ((m = r.exec(o)) != null && m.length > 1 && m[1] != '') {
			b = parseInt(m[1].substr(1), 16);
			t = String.fromCharCode(b); o = o.replace(m[1], t);
		} return o;
	}
});