copy一行
/** * 新增一行 */function addRow() {var oTR = document.all("copyRow");var newOTR1 = oTR.cloneNode(true);newOTR1.id = "checkRow";newOTR1.style.display = "inline";oTR.parentNode.appendChild(newOTR1);}/** * 删除一行 */function delRow(oTr) {var rowIndex = oTr.rowIndex;oTr.parentNode.deleteRow(oTr.rowIndex);}