snippet.txt

$.extend({
	param: function( a ) {
		var s = [ ];

		function add( key, value ){
			s[ s.length ] = encodeURIComponent(key) + '=' + encodeURIComponent(value);
		};
		// If an array was passed in, assume that it is an array
		// of form elements
		if ( jQuery.isArray(a) || a.jquery )
			// Serialize the form elements
			jQuery.each( a, function(){
				add( this.name, this.value );
			});

		// Otherwise, assume that it's an object of key/value pairs
		else
			// Serialize the key/values
			for ( var j in a )
				// If the value is an array then the key names need to be repeated
				if ( jQuery.isArray(a[j]) )
					jQuery.each( a[j], function(){
						add( j, this );
					});
				else if (typeof a[j] == 'object')
					for ( var k in a[j]) 
						add(j + '[' + k + ']', jQuery.isFunction(a[j][k]) ? a[j][k]() : a[j][k] );
				else
					add( j, jQuery.isFunction(a[j]) ? a[j]() : a[j] );

		// Return the resulting serialization
		return s.join("&").replace(/%20/g, "+");
	}
});