PamIE 和COM调用IE出错： TypeError: getElementById() takes exactly 1 argument (2 given)

import win32com.client,pythoncom
import time
ie = win32com.client.DispatchEx('InternetExplorer.Application')
ie.Visible = 1ie.Navigate('http://ieeexplore.ieee.org/xpl/periodicals.jsp')
time.sleep(5)
ie.Document.getElementById("browse_keyword").value ="Computer"
ie.Document.getElementsByTagName("input")[24].click()

Traceback (most recent call last): File "D:\python2.7\ieee", line 11, in  
ie.Document.getElementById("browse_keyword").value ="Computer"
TypeError: getElementById() takes exactly 1 argument (2 given)

但是在有些网站又不会出现问题，比如：

#========================================================
#              2012/07/30 18:44:33                  
#========================================================
from win32com import client
import time 

ie = client.Dispatch('InternetExplorer.Application.1')

ie.visible = 1
ie.navigate('www.baidu.com')


while 1:
	state = ie.readyState
	if 4==state:
		print 'load over'
		break
	else:
		time.sleep(1)
		
input = ie.document.getElementById('kw') 
input.value = 'agoago_2009'

btn = ie.document.getElementById('su') 
btn.click()
while 1:
	state = ie.readyState
	if 4==state:
		print 'search over'
		data = ie.document.body.innerHTML
		#data = ie.document.title
		print data
		break
	else:
		time.sleep(1)

错误原因：

document.getElementById(id)

IE6.0中的bug：

    如果给定的id匹配某个元素的name属性，IE6.0会错误返回这个元素(前提是该元素位于我们查找的目标元素之前)。

解决办法：

1.一个元素的name属性值千万不要和其他任何元素的id值相同。

2.尽量使用节点，不要直接使用getElementById，使用其他方法如获取节点、遍历判断节点属性

通用的一个方法：

# -*- coding:UTF-8 -*- 
import win32com.client
from time import sleep

import time
from win32com.client import DispatchEx
def ExistIE(url):
    ShellWindowsCLSID = '{9BA05972-F6A8-11CF-A442-00A0C90A8F39}'
    ies=DispatchEx(ShellWindowsCLSID)
    if len(ies)==0:
        return None
    for ie in ies:
        if ie.LocationURL==url:
            return ie
    return None
def NewIE(url):
    ie=DispatchEx("InternetExplorer.Application")
    #ie.Navigate(url)
    return ie
def openIE(url):
    """
    >>> myie = ie.NewIE()
    """
    ie=ExistIE(url)
    if ie==None:
        ie=NewIE(url)
    return ie
def WaitIE(ie):
    while ie.Busy:
        time.sleep(1)
def Visible(ie):
    ie.Visible=1-ie.Visible
def GetBody(ie):
    WaitIE(ie)
    return ie.Document.body
def GetNodes(parentNode,tag):
    """
    >>> coldiv=GetNodes(body,"div")
    """
    childNodes=[]
    for childNode in parentNode.getElementsByTagName(tag):
        childNodes.append(childNode)
    return childNodes
def NodeByAttr(Nodes,nodeattr,nodeval):
    """
    >>> div_id_editor=NodeByAttr(coldiv,"id","editor_ifr")
    """
    for node in Nodes:
        if str(node.getAttribute(nodeattr))==nodeval:
            return node
    return None
def SetNode(node,val):
    node.innerHTML=val