/////////////////////////////////////////////////////////////////////////////////// rowspan 생성 스크립트
//tableId :  table id를 넣자 
//rowIndex : table의 시작 row index(0부터 시작)
//cellIndex : 해당 row의 cell index(0부터 시작)
// created by singi(20030611)
///////////////////////////////////////////////////////////////////////////////////
function cellMergeChk(tableObj, rowIndex, cellIndex) {
    var rowsCn = tableObj.rows.length;

    if (rowsCn - 1 > rowIndex)
        cellMergeProcess(tableObj, rowIndex, cellIndex);
}

function cellMergeProcess(tableObj, rowIndex, cellIndex) {
    var rowsCn = tableObj.rows.length;
    var compareCellsLen = tableObj.rows(rowIndex).cells.length; 	//시작 row에 cell 개수

    //초기화	
    var compareObj = tableObj.rows(rowIndex).cells(cellIndex);
    var compareValue = compareObj.innerHTML;
    var cn = 1;
    var delCells = new Array();
    var arrCellIndex = new Array();
    for (i = rowIndex + 1; i < rowsCn; i++) {
        var cellsLen = tableObj.rows(i).cells.length;
        var bufCellIndex = cellIndex

        //실질적인 row에 cellIndex를 구하자.			
        if (compareCellsLen != cellsLen) {
            bufCellIndex = bufCellIndex - (compareCellsLen - cellsLen);
        }
        cellObj = tableObj.rows(i).cells(bufCellIndex);

        if (compareValue == cellObj.innerHTML) {
            delCells[cn - 1] = tableObj.rows(i); 	//삭제할 cell의 row를 저장한다.
            arrCellIndex[cn - 1] = bufCellIndex; //해당 row cell index를 저장한다.
            cn++;
        }
        else {
            //병합
            compareObj.rowSpan = cn;

            //삭제
            for (j = 0; j < delCells.length; j++) {
                delCells[j].deleteCell(arrCellIndex[j]);
            }

            //초기화	
            compareObj = cellObj;
            compareValue = cellObj.innerHTML;
            cn = 1;
            delCells = new Array();
            arrCellIndex = new Array();
        }
    }

    //병합		
    compareObj.rowSpan = cn;
    //삭제
    for (j = 0; j < delCells.length; j++) {
        delCells[j].deleteCell(arrCellIndex[j]);
    }
}