function table_over(obj){
			document.all.TA_3.style.display = "none";
			document.all.TA_4.style.display = "none";
			document.all.TA_5.style.display = "none";
			document.all.TA_6.style.display = "none";
			document.all.TA_7.style.display = "none";
			document.all.TA_8.style.display = "none";
			document.all.TA_9.style.display = "none";
			document.all.roll_3.src = "/images/MA/topmenu_03.gif";
			document.all.roll_4.src = "/images/MA/topmenu_04.gif";
			document.all.roll_5.src = "/images/MA/topmenu_05.gif";
			document.all.roll_6.src = "/images/MA/topmenu_06.gif";
			document.all.roll_7.src = "/images/MA/topmenu_07.gif";
			document.all.roll_8.src = "/images/MA/topmenu_08.gif";
			document.all.roll_9.src = "/images/MA/topmenu_09.gif";
			document.getElementById(obj).style.display = "block";
			document.getElementById('roll_' + obj.substr(3,obj.length)).src = "/images/MA/topmenu_0" + obj.substr(3,obj.length) + "_r.gif";
		}

function chg_img_on(obj) {
	var obj_src = obj.src;
	var obj_src_pre = obj_src.substring(0, obj_src.length-4)
	obj.src = obj_src_pre + "_on.gif";
}

function chg_img_off(obj) {
	var obj_src = obj.src;
	var obj_src_pre = obj_src.substring(0, obj_src.length-7)
	obj.src = obj_src_pre + ".gif";
}

function PopUpWindow(w,h,id) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;

	window.open('/aspchatnow/chatroom/chatroom.asp?txtUsername='+id, 'ChatWindow2', 'toolbar=0,location=0,status=0,menubar=0,scrollbars=0,resizable=0,width=700,height=460,top='+wint+',left='+winl)
}

function modal(url, obj, w, h, e, r, scr, sts){
	/*
		url : À̵¿ °æ·Î
		obj : ÀԷ¹ÞÀ» °³Ã¼
		w : ³ÐÀÌ - ¼ýÀÚÇü
		h : ³ôÀÌ - ¼ýÀÚÇü
		e : edge [sunken(s)|raised(r)]
		r : resizable [yes|no]
		scr : scroll [yes|no]
		sts : status [yes|no]
	*/
	window.showModalDialog(url, obj, "dialogWidth="+w+"px; dialogHeight="+h+"px; center:yes; edge:sunken; help:no; resizable:"+r+"; scroll:"+scr+"; status:"+sts+";");
}