function MTime(){
	var date  = new Date();

	var hour  = date.getHours();		//時間
	var min   = date.getMinutes();		//分
	var sec   = date.getSeconds();		//秒
	if(hour < 10){hour = "0" + hour;}
	if(min < 10){min = "0" + min;}
	var time4 = hour + ":" + min;

	document.F1.T4.value = time4;
	setTimeout(MTime, 1000);
}
window.onload = MTime;