setInterval(function() {
var a=new Date();
var b=a.getHours();
var c=a.getMinutes();
if (b == 21 & c == 39) {
document.write('55566');
} else if (b == 21 & c == 40) {
document.write('5555;;6');
} else if (b == 21 & c == 41) {
document.write('5454');
} else {
document.write('hhhhhhhhhhhhhh');
}
},1000);