js获得上一个界面信息

?var transfAmountObj = window.opener.document.all('transfAmount');

???? if(transfAmountObj != null){

???? //计算合计转账金额

??var tbObj = window.opener.document.all.originalContractInfor;

??var totalAmt = 0;

??for(var tmp=1;tmp<tbObj.rows.length;tmp++){

???var rowIdx = tmp+1;

???var amt = tbObj.all("soldAmount_" + rowIdx).value.excludeNotNumericDot();

???totalAmt += amt*1.0;

??}

?????transfAmountObj.value = FormatMoney(totalAmt);

???? }

???? window.close();

?