ns = (document.layers) ? true:false;
	ie = (document.all) ? true:false;
	

	var menu1  = new Image();
	var menu1_ = new Image();
	var menu2  = new Image();
	var menu2_ = new Image();
	var menu3  = new Image();
	var menu3_ = new Image();
	var menu4  = new Image();
	var menu4_ = new Image();
	var menu5  = new Image();
	var menu5_ = new Image();
	var menu6  = new Image();
	var menu6_ = new Image();
	var menu7  = new Image();
	var menu7_ = new Image();

	menu1.src  = "/image/info_off.jpg";
	menu1_.src = "/image/info_on.jpg";

	menu2.src  = "/image/hakgwa_off.jpg";
	menu2_.src = "/image/hakgwa_on.jpg";

	menu3.src  = "/image/mojib_off.jpg";
	menu3_.src = "/image/mojib_on.jpg";

	menu4.src  = "/image/haksang_off.jpg";
	menu4_.src = "/image/haksang_on.jpg";

	menu5.src  = "/image/gyojik_off.jpg";
	menu5_.src = "/image/gyojik_on.jpg";

	menu6.src  = "/image/bbs_off.jpg";
	menu6_.src = "/image/bbs_on.jpg";

	menu7.src  = "/image/etc_off.jpg";
	menu7_.src = "/image/etc_on.jpg";

	function show_sub(key) {

		switch( key ){

			case 1:
				document.menu1.src = menu1_.src;
				break;
			case 2:
				document.menu2.src = menu2_.src;
				break;
			case 3:
				document.menu3.src = menu3_.src;
				break;
			case 4:
				document.menu4.src = menu4_.src;
				break;
			case 5:
				document.menu5.src = menu5_.src;
				break;
			case 6:
				document.menu6.src = menu6_.src;
				break;
			case 7:
				document.menu7.src = menu7_.src;
				break;
		}
		document.getElementById("sub"+key).style.visibility = 'visible';

	}
	
	function hidden_sub(key) {
		switch( key ){

			case 1:
				document.menu1.src = menu1.src;
				break;
			case 2:
				document.menu2.src = menu2.src;
				break;
			case 3:
				document.menu3.src = menu3.src;
				break;
			case 4:
				document.menu4.src = menu4.src;
				break;
			case 5:
				document.menu5.src = menu5.src;
				break;
			case 6:
				document.menu6.src = menu6.src;
				break;
			case 7:
				document.menu7.src = menu7.src;
				break;
		}
		document.getElementById("sub"+key).style.visibility = 'hidden';

	}

/// À§·Î ¹öÆ° À§Ä¡  ¼öÁ¤ //////
	function fix(){
		var a=document.body.scrollTop+500
		bar.style.top = a
	}

/// À̹ÌÁö ¹Ì¸®º¸±â ½ºÅ©¸³Æ® /////
	function msgposit(){
		message.style.posLeft = event.x - 300 + document.body.scrollLeft
		message.style.posTop = event.y - 410 + document.body.scrollTop
	}

	function msgset(str,str2){
		var text
		text ='<table align="center" border="0" cellpadding="0" cellspacing="0" bgcolor="" style="font-size:9pt; border-width:1; border-color:black; border-style:solid; word-break:break-all;">'
		text += '<tr><td align=center>'+str+'<br>'+str2+'</td></tr></table>'
		message.innerHTML=text
	}

	function msghide(){
		message.innerHTML=''
	}