function s_over(gubun,num) {
	var obj;
	if(gubun == 1) obj = document.getElementById('img_schedule1');
	else if(gubun == 2) obj = document.getElementById('img_schedule2');
	obj.src="/main/images/tab_0" + num + "over.gif";
}
function s_out(gubun,num) {
	var obj;
	if(gubun == 1) obj = document.getElementById('img_schedule1');
	else if(gubun == 2) obj = document.getElementById('img_schedule2');
	obj.src="/main/images/tab_0" + num + "on.gif";
}
function schedule(num) {
	var obj;
	for(k=1;k<=2;k++) {
		obj = document.getElementById('schedule'+k);
		obj.style.display = "none";
	}
	obj = document.getElementById('schedule'+num);
	obj.style.display = "block";
}
function all_over(num) {
	var obj;
	for(k=1;k<=6;k++) {
		obj = document.getElementById('scie_all'+k);
		obj.style.display = "none";
	}
	obj = document.getElementById('scie_all'+num);
	obj.style.display = "block";
}
function board_over(num) {
	var obj;
	for(k=1;k<=3;k++) {
		obj = document.getElementById('board'+k);
		obj.style.display = "none";
	}
	obj = document.getElementById('board'+num);
	obj.style.display = "block";
}

function notice_over(num) {
	var obj;
	for(k=1 ; k <= 3 ; k++) {
		obj = document.getElementById('notice'+k);
		obj.style.display = "none";
	}
	obj = document.getElementById('notice'+num);
	obj.style.display = "block";
}

function board_overs(num) {
	var obj;
	for(k=0;k<=2;k++) {
		obj = document.getElementById('board'+k);
		obj.style.display = "none";
	}
	obj = document.getElementById('board'+num);
	obj.style.display = "block";
}

function notice_overs(num) {
	var obj;
	for(k=1 ; k <= 3 ; k++) {
		obj = document.getElementById('notice'+k);
		obj.style.display = "none";
	}
	obj = document.getElementById('notice'+num);
	obj.style.display = "block";
}