michael@0: gczeal(4);
michael@0: evaluate("\
michael@0: Date.formatFunctions = {count:0};\
michael@0: Date.prototype.dateFormat = function(format) {\
michael@0:     var funcName = 'format' + Date.formatFunctions.count++;\
michael@0:     var code = 'Date.prototype.' + funcName + ' = function(){return ';\
michael@0:     var ch = '';\
michael@0:     for (var i = 0; i < format.length; ++i) {\
michael@0:         ch = format.charAt(i);\
michael@0:         eval(code.substring(0, code.length - 3) + ';}');\
michael@0:     }\
michael@0: };\
michael@0: var date = new Date('1/1/2007 1:11:11');\
michael@0:     var shortFormat = date.dateFormat('Y-m-d');\
michael@0: ");