function clock(){
	var t = new Date();
	var today = t.getFullYear()+"/"+(t.getMonth()*1+1)+"/"+t.getDate()+" "+t.getHours()+":"+t.getMinutes()+":"+t.getSeconds();
	document.getElementById('clock').innerHTML = today;
	cc=setTimeout("clock()",1000);
}
var cc; clock();