function setPng24(obj) {
	obj.width=obj.height=1;
	obj.className=obj.className.replace(/\bpng24\b/i,'');
	obj.style.filter ="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');"
	obj.src=''; 
	return '';
}

function subfold(n){
	var f=document.getElementById("submenu"+n+"");
	if(f.style.display=="none") f.style.display="";
	else f.style.display="none";
}

function subhref(n){
	location.href=n;
}

function go(n){
	location.href=n;
}

function search(f){
	if(!f.title.value){
		alert("Å°¿öµå¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
		f.title.focus();
		return false;
	}
	f.submit();
}