Query string mapper (String to Object)

//prototype
 
String.prototype.mapStr = function(objDev, keyDev){
	objDev = objDev || ";", keyDev = keyDev || ":";
	if(this.indexOf(keyDev) === -1) return this;
	var d = this.split(objDev); 
	var r = {};
	var key, val;
	for(par in d){
            val = d[par].split(keyDev);
            key = val.splice(0, 1).join().replace(/^\s\s*/, '');
            val = val.join(keyDev).replace(/^\s\s*/, '');
            if (val.length > 1) {
                r[key.camelCase()] = val;
            }
	}
	return r;
}
 
String.prototype.camelCase = function(){
	return this.replace(/-([a-z])/ig, function (all, letter) {
	    return letter.toUpperCase();
	});
}
 
//jQuery plugin
// a little string mapper (string to object)
;(function ($) {
    $.map.str = function (s, objDev, keyDev) {
        objDev = objDev || ";", keyDev = keyDev || ":";
        if (s.indexOf(keyDev) === -1) return s;
        var d = s.split(objDev);
        var r = {};
        var key, val;
        for(par in d) {
            val = d[par].split(keyDev);
            key = $.trim(val.splice(0, 1).join());
            val = $.trim(val.join(keyDev));
            if (val.length > 1) {
                r[$.camelCase(key)] = val;
            }            
        }
        return r;
    }
})(jQuery);
 
;(function ($) {
    // CamelCase object keys (ripped from jQuery since it seems to come and go in core)
    if ( !$.isFunction($.camelCase) ) {
        $.camelCase = function (string) {
            return string.replace(/-([a-z])/ig, function (all, letter) {
                return letter.toUpperCase();
            });
        }
    }
})(jQuery);