function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}


/* gnb */
function activeGNB(id) {
	for(num=1; num<=5; num++){
		document.getElementById('gm'+num).style.display='none';
		document.getElementById('gm'+num).parentNode.className='depth1';
		
		}
	document.getElementById(id).style.display='block';
	document.getElementById(id).parentNode.className='active depth1';
	
}

/* rolloverimg */
function rollOverImg(elId, tagName) {
	var el = document.getElementById(elId).getElementsByTagName(tagName);
	for (var i=0; i<el.length; i++) {
		  if( el[i].src.indexOf("_on.gif") == -1 && el[i].src.indexOf(".gif") != -1 ) {
				el[i].onmouseover = changeOver;
				el[i].onmouseout = changeOut;
		}
	}
}

function changeOver() {
	this.src=this.src.replace(/.gif$/, "_on.gif");
}
function changeOut() {
  this.src=this.src.replace(/_on.gif$/, ".gif");
}



 
/* because snb focus area */
function rollOverImg2(elId, tagName) {
	var el = document.getElementById(elId).getElementsByTagName(tagName);
	for (var i=0; i<el.length; i++) {
		  if( el[i].childNodes[0].src.indexOf("_on.gif") == -1 && el[i].childNodes[0].src.indexOf(".gif") != -1 ) {
				el[i].onmouseover = changeOver2;
				el[i].onmouseout = changeOut2;
		}
	}
}
function changeOver2() {
	this.childNodes[0].src=this.childNodes[0].src.replace(/.gif$/, "_on.gif");
}
function changeOut2() {
  this.childNodes[0].src=this.childNodes[0].src.replace(/_on.gif$/, ".gif");
}