function sdate() {
	x = new Date();
	hr=x.getHours();
	if (hr >= 7&&hr<12)	{
	document.getElementById("gg1").style.display = 'block';
	document.getElementById("ds1").style.display = 'block';
	document.getElementById("xw1").style.display = 'block';
	document.getElementById("ys1").style.display = 'block';
	}
	if (hr >= 12&&hr<18) {
	document.getElementById("gg2").style.display = 'block';
	document.getElementById("ds2").style.display = 'block';
	document.getElementById("xw2").style.display = 'block';
	document.getElementById("ys2").style.display = 'block';
	}
	if (hr >= 18&&hr<22) {
	document.getElementById("gg3").style.display = 'block';
	document.getElementById("ds3").style.display = 'block';
	document.getElementById("xw3").style.display = 'block';
	document.getElementById("ys3").style.display = 'block';
	}
	if (hr >= 22) {
	document.getElementById("gg4").style.display = 'block';
	document.getElementById("ds4").style.display = 'block';
	document.getElementById("xw4").style.display = 'block';
	document.getElementById("ys3").style.display = 'block';
	}
	}