function delFileFieldNew(id) {
	var uploads = document.getElementById("uploads");
	if (uploads.childNodes.length == 1) return;
	//uploads.removeChild(uploads.lastChild);
	var delNode = document.getElementById('file_' + id);
	delNode.removeNode(true);
	
}
function addFileFieldNew(maxCount) {
	var uploads = document.getElementById("uploads");
	var upCount = uploads.childNodes.length;
	// files.childNodes.length
	if (upCount >= maxCount ) {
		alert('첨부파일은 최대 ' + maxCount + '개 업로드 가능합니다.');
		return;
	}
	var div = document.createElement('div');
	div.setAttribute('id', 'file_' + upCount);
	var html = '첨부파일: <input type="file" name="upload" size="50" value="[]" id="insertNinm_upload" onchange="isImageFile(this, this.form);" />&nbsp;';
	html += '<input type="button" value="삭제" onclick="delFileFieldNew('+upCount+');" />';
	div.innerHTML = html;
	uploads.appendChild(div);
}
function getImageUrl(ext) {
	
	var extImageList = 
		new Array('doc', 'ppt', 'txt', 
				  'gif', 'jpg', 'bmp',
				  'hwp', 'etc', 'zip',
				  'xls', 'pdf', 'vod',
				  'asf', 'asx', 'avi',
				  'dcr', 'exe', 'htm',
				  'html', 'mid', 'mov',
				  'mp3', 'mpeg', 'mpg',
				  'qt', 'ram', 'rm',
				  'smil', 'swf', 'wav',
				  'wma', 'wmv', 'xml',
				  'unknown');
	
	var imageUrl;
	var idx = extImageList.indexOf(ext.toLowerCase());
	if ( idx != -1) {
		imageUrl = '/images/icon/' + extImageList[idx] + '.gif';
	} else {
		imageUrl = '/images/icon/unknown.gif';
	}
	
	return imageUrl;
}