minigame.js

		// == interface for the game ==
		function run_mini_game (size, prize, shuffle) {
			var size = size || 10,
				shuffle = shuffle || size,
				game = {
					is_win : false,
					gold : prize || 30
				},

				field = [];

			var turn = function(x, y) {
				var row = field[y];
				row[x] = !row[x];
				$('#m' + x + '_' + y)['toggleClass']('r');
			}

			var is_win_position = function() {
				for(var j = 0; j < size; ++j)
					for(var i = 0; i < size; ++i)
						if (!field[j][i])
							return false;
				return true;
			}

			var win = function () {
				game.is_win = true;
				$('#mg')['hide']()['empty']();
				++map.fixed;
				map.hero.add_cash(game.gold);
			}

			// do the move
			var move = function(x, y, shuffle_phase) {
				for(var i=0; i<size; i++) {
					turn(x, i);
					turn(i, y);
				}
				turn(x,y);
				if (is_win_position() && !shuffle_phase) {
					win();
				}
			}

			var generate = function() {
					// generate field
					for(var j=0, s=''; j<size; ++j) {
						field[j] = [];
						for(var i=0; i<size; ++i) {
							field[j][i] = true;
							s += '<b class="f" id="m' + i + '_' + j + '"></b>'
						}
					}

					// game field
					$('#mf')						// hide on start
					['html'](s)						// draw
					['css']({						// set dimensions and position
						width: size * 32,
						height: size * 32
					});

					// shuffle field
					for (var i=0; i < shuffle; ++i) {
						move(rand(0, size), rand(0, size), true);
						if (is_win_position())
							i=0;
					};
			}

			// create html
			$('#mg')['html']('<p id="mt">$' + prize + '</p>'+
			'<p id="mr">' +
			"<br>Goal of this minigame is turn <br>all the pipes to its right position (+).<br>" +
			"Click to turn pipe. <br>" + 
			'<br><button id="ms">Start!</button>' +
			'</p>' + 
			'<p id="mf"/><button id="g">Give up!</button>');
			
			generate();
			
			// start button runs the game
//			$('#ms')['bind']('click.mg', function() {
//			});
			
			// set onclick for 
			$('#mg')['bind']('click.mg', function(e) {
				var el = e.target;
				if (el.tagName == 'B') {
					move( el.id.replace(/^m(\d+)_\d+$/, '$1'), el.id.replace(/^m\d+_(\d+)$/, '$1'));
				} 
				switch(el.id) {
				case 'g':
					game.gold = 1;
					win();
					break;
				case 'ms': 
					$('#mr')['hide']();
					$('#mf, #g')['show']();
					// start timer!
					$('#mg')['bind']('tick.mg', {
							's': game,
							'id': setInterval("$('#mg').trigger('tick.mg')", 1000)
						}, function(e) {
								var s = e.data['s'];
								if (s.gold > 100)
									s.gold = floor(s.gold / 1.5);
								else
									s.gold -= rand(1, 4);
								if (s.gold < 1)
									s.gold = 1;

								if (s.is_win) {
									clearInterval(e.data['id']);
									$('#mg')['unbind']('.mg');
								}
								else {
									$('#mt')['html']('$' + s.gold);
								}
							}
					);
				}
			})['show']();
			$('#ms')['focus']();
		}