<!--    이미지 롤오버 변경 ---->
function set_rollover(mc) {
	var _name = mc.src;
	var _length = _name.length;
	var _newName = _name.substr(0, (_length-5))+"o"+_name.substr(_length-4, 4);
	mc.src=_newName;
}
function set_rollout(mc) {
	var _name = mc.src;
	var _length = _name.length;
	var _newName = _name.substr(0, (_length-5))+"n"+_name.substr(_length-4, 4);
	mc.src=_newName;
}

<!--  a태그 클릭시 점선 사라짐 ---->
function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring;