var flen = 0;
        function add_file(fileNum)
        {
            var upload_count = fileNum;
            if (flen >= upload_count)
            {
                alert("이 게시판은 "+upload_count+"개 까지만 파일 업로드가 가능합니다.");
                return;
            }
 
            var objTbl;
            var objRow;
            var objCell;
            if (document.getElementById){
                objTbl = document.getElementById("variableFiles");
            }else{
                objTbl = document.all["variableFiles"];
			}
            objRow = objTbl.insertRow(objTbl.rows.length);
            objCell = objRow.insertCell(0);
            if(arrFile[flen]){
            objCell.innerHTML = "<div class='tbm1'><label for='file"+flen+"'>파 일 "+flen+"</label><input type='file' class='ftext w300' id='file"+flen+"' name='bf_file[]' />"+arrFile[flen]+"</div><div class='clear tbm1'><label for='bf_content"+flen+"'>· 이미지설명 "+flen+"</label><input type='text' value='"+arrContent[flen]+"' class='text w400' name='bf_content[]' id='bf_content"+flen+"' />* 작성시 \",\" 넣지마시오.</div>";
			}else{
			objCell.innerHTML = "<div class='tbm1'><label for='file"+flen+"'>파 일 "+flen+"</label><input type='file' class='ftext w300' id='file"+flen+"' name='bf_file[]' /></div><div class='clear tbm1'><label for='bf_content"+flen+"'>이미지설명"+flen+"</label><input type='text' class='text w400' name='bf_content[]' id='bf_content"+flen+"' />* 작성시 \",\" 넣지마시오.</div>";
			}
		
            flen++;
        }
 
        function del_file()
        {
            var objTbl = document.getElementById("variableFiles");
			if(arrFileNum < flen){
				objTbl.deleteRow(objTbl.rows.length - 1);
				flen--;
			}
        }