gistfile1.js

jQuery.extend({
    obj2URL: function(obj, url)
    {
	url = url || '';
	var qs = (/\?/.test(url) ? '&' : '?') + $.obj2kvs(obj);

	return url + qs;
    },
    obj2kvs: function(obj)
    {
	var parts = [],
            push = function(key, val){
		if (val !== null && (typeof val !== "undefined"))
		    parts.push(encodeURIComponent(key) + '=' + encodeURIComponent(val));
		else
		    parts.push(encodeURIComponent(key) + '=');
            },
            qs;
 
        for (var key in obj) {
            if (obj.hasOwnProperty(key)) {
		var val = obj[key];
		if (val instanceof Array) {
                    for (var i=0, l=val.length; i<l; i++) { push(key, val[i]); }
		} else {
                    push(key, val);
		}
            }
	}

	return parts.join('&');
    },
    kvs2obj: function (kvs)
    {
	if (!kvs) return;
	var pairs = kvs.replace(/.*\?/, '').split('&'),
	    obj   = {};

	$.each(pairs, function (k, v)
        {
	    var pair = v.split('=');
	    obj[pair[0]] = pair[1];
        });
	
	return obj;
    },
    params: function (str)
    {
	return $.kvs2obj(str || document.location.search);
    }
});