IE vs firefox

IE有children，FireFox没有
document.getElementById("tableId").rows[0].cells[0].childNodes[0]  

IE有parentElement，FireFox没有

IE有innerText,outerText,outerHTML，FireFox没有
IE有数据岛，FireFox没有
IE跟FireFox创立 HttpRequest实例的法子 不一样

FireFox有HTMLElement,HTMLDivElement,XMLDocument,DocumentFragment,Node,Event,Element等等，IE没有

FireFox没有Get Request的长度限制,
FireFox不支撑 P3P协议 ,
FireFox与IE添加和删除事件时的函数不同,
FireFox和IE设置对象的Css ClassName的属性不同.
FireFox用textContent, IE 用InnerText.
FireFox用style.cssText 设置css string,IE可以直接对Style 赋值.
FireFox的文字有textnode对象, IE没有.

function setEstimateCosts(){
var lanTable = $('languageForm:languageCostTable');
var rows = lanTable.rows;
var rowNum = rows.length;
var hidEstProCosts ='';
var hidEstTransCosts = '';
var hidActualHandlingCosts = '';
var hidActualTransCosts = '';
for(var i = 0; i < rowNum - 1; i++) {
hidEstProCosts += getColumnValue(i, 1);
hidEstProCosts += '#';
hidEstTransCosts += getColumnValue(i, 2);
hidEstTransCosts += '#';
hidActualHandlingCosts += getColumnValue(i, 3);
hidActualHandlingCosts += '#';
hidActualTransCosts += getColumnValue(i, 4);
hidActualTransCosts += '#';
}                        
$('languageForm:hidEstProCosts').value = hidEstProCosts;
$('languageForm:hidEstTransCosts').value = hidEstTransCosts;
$('languageForm:hidActualHandlingCosts').value = hidActualHandlingCosts;
$('languageForm:hidactualTransCosts').value = hidActualTransCosts;
ajaxRefreshRequest('manageAssetBean.editBudgetOk', 'form1:budgetPanel', 'hidEstProCosts;hidEstTransCosts;hidActualHandlingCosts;hidactualTransCosts', 'languageForm:hidEstProCosts;languageForm:hidEstTransCosts;languageForm:hidActualHandlingCosts;languageForm:hidactualTransCosts', null, true, null);
hideDialog('editBudgetDiv');
}

function initial(){
//hide or display button
var operationType = $('languageForm:operationType').value;
var lanTable = $('languageForm:languageCostTable');
var rows = lanTable.rows;
var rowNum = rows.length;
if(operationType == 'create'){
for(var i = 0; i < rowNum - 1; i++) {
getColumnObject(i, 3).disabled = true;
getColumnObject(i, 4).disabled = true;
}
}else if(operationType == 'update'){
for(var i = 0; i < rowNum -1; i++) {
getColumnObject(i, 3).disabled = false;
getColumnObject(i, 4).disabled = false;
}
}
}

function getColumnObject(row, column) {
var table = document.getElementById("languageForm:languageCostTable");
var tbody = table.tBodies[0];
var attributeId = tbody.rows[row].cells[column].getElementsByTagName("input");
return attributeId[0];
}

function getColumnValue(row, column) {
var colObj = getColumnObject(row, column);
return colObj.value;
}