请高手指教错误在哪？？？？？

为什么点击‘hw 3.gif' 不调用‘wh()’?
为什么点击‘hw 2.gif' 不调用‘hwwh()’?
我想了好几天都没想通，请高手指教！！！！

 1<html>
 2<head>
 3<script language="JavaScript">   
 4<!--   
 5  
 6function hw(){   
 7var newWindow=window.open('','','width=230,height=148,left=300,top=200,ScrollBar=no,menubar=0,toolbar=0');   
 8newWindow.document.write("<html>");   
 9newWindow.document.write("<head>");   
10newWindow.document.write("<title>用户登陆</title>");   
11newWindow.document.write("</head>");   
12newWindow.document.write("<body background='hw 1.gif'>");   
13newWindow.document.write("<br>");   
14newWindow.document.write("<form name='form1'>");   
15newWindow.document.write("&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp");   
16newWindow.document.write("<input type='text' name='text1' size=10>");   
17newWindow.document.write("&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp");   
18newWindow.document.write("<input type='text' name='text2' size=10> ");   
19newWindow.document.write("</form>");   
20newWindow.document.write("&nbsp &nbsp &nbsp");   
21  
22newWindow.document.write("<img src='hw 3.gif' onclick='wh()'>");   
23newWindow.document.write("&nbsp &nbsp &nbsp");   
24newWindow.document.write("<img src='hw 2.gif' onclick='hwwh()'>");   
25newWindow.document.write("&nbsp &nbsp &nbsp");   
26newWindow.document.write("<img src='hw4.gif' onclick='self.close()'>");   
27newWindow.document.write("</body>");   
28newWindow.document.write("</html>");   
29newWindow.document.form1.text1.focus();   
30newWindow.document.close();   
31  
32}   
33  
34function wh(){   
35var xm;   
36var mm;   
37xm=newWindow.document.form1.text1.value;   
38mm=newWindow.document.form1.text2.value;   
39if(xm==""){alert("请填写用户名")}   
40else if(mm==""){alert("请输入密码")}   
41else if(xm!="a" ¦ &brvbarmm!="0"){alert("您输入的用户名或密码错误，请重新输入")}   
42}   
43  
44function hwwh(){   
45newWindow.document.form1.text1.value="";   
46newWindow.document.form1.text2.value="";   
47  
48}   
49//-->   
50</script>
51</head>
52<body onload="hw()">
53</body>
54</html>

---------------------------------------------------------------

因为你的hw() 和 hwwh()这两个函数不是写在打开的窗口里的，当然无法调用~~
---------------------------------------------------------------

把你的js函数写在一个js.js 文件里：
function wh(){
var xm;
var mm;
xm=newWindow.document.form1.text1.value;
mm=newWindow.document.form1.text2.value;
if(xm==""){alert("请填写用户名")}
else if(mm==""){alert("请输入密码")}
else if(xm!="a" ¦ &brvbarmm!="0"){alert("您输入的用户名或密码错误，请重新输入")}
}

function hwwh(){
newWindow.document.form1.text1.value="";
newWindow.document.form1.text2.value="";

}

然后：

 1<html>
 2<head>
 3<script language="JavaScript">   
 4<!--   
 5  
 6function hw(){   
 7var newWindow=window.open('','','width=230,height=148,left=300,top=200,ScrollBar=no,menubar=0,toolbar=0');   
 8newWindow.document.write("<html>");   
 9newWindow.document.write("<head>");   
10  
11newWindow.document.write("<script language='javascript' src='js.js'>"); // 在这里加两行代码   
12newWindow.document.write("</script>");   
13  
14newWindow.document.write("<title>用户登陆</title>");   
15newWindow.document.write("</head>");   
16newWindow.document.write("<body background="hw 1.gif">");   
17newWindow.document.write("<br/>");   
18newWindow.document.write("<form name="form1">");   
19newWindow.document.write("                       ");   
20newWindow.document.write("<input name="text1" size="10" type="text"/>");   
21newWindow.document.write("                             ");   
22newWindow.document.write("<input name="text2" size="10" type="text"/> ");   
23newWindow.document.write("</form>");   
24newWindow.document.write("     ");   
25  
26newWindow.document.write("<img onclick="wh()" src="hw 3.gif"/>");   
27newWindow.document.write("     ");   
28newWindow.document.write("<img onclick="hwwh()" src="hw 2.gif"/>");   
29newWindow.document.write("     ");   
30newWindow.document.write("<img onclick="self.close()" src="hw4.gif"/>");   
31newWindow.document.write("</body>");   
32newWindow.document.write("</html>

");
newWindow.document.form1.text1.focus();
newWindow.document.close();

}

//-->

1<body onload="hw()">
2</body>

---------------------------------------------------------------

子窗口不能执行父窗口的函数
将函数写到js中调用或直接使用document.write写入调用
---------------------------------------------------------------

这是修改后的正确代码：
——————————————————————

 1<html>
 2<head>
 3<script language="JavaScript">   
 4<!--   
 5  
 6function hw(){   
 7var newWindow=window.open('','','width=530,height=548,left=300,top=200,ScrollBar=no,menubar=0,toolbar=0');   
 8newWindow.document.write("<html>");   
 9newWindow.document.write("<head>");   
10newWindow.document.write("<title>用户登陆</title>");   
11newWindow.document.write("</head>");   
12newWindow.document.write("<body background='hw 1.gif'>");   
13newWindow.document.write("<br>");   
14newWindow.document.write("<form name='form1'>");   
15newWindow.document.write("&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp");   
16newWindow.document.write("<input type='text' name='text1' size=10>");   
17newWindow.document.write("&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp");   
18newWindow.document.write("<input type='text' name='text2' size=10> ");   
19newWindow.document.write("</form>");   
20newWindow.document.write("&nbsp &nbsp &nbsp");   
21  
22newWindow.document.write("<img src='hw3.gif' onclick='wh()'>HW3.GIF");   
23newWindow.document.write("&nbsp &nbsp &nbsp");   
24newWindow.document.write("<img src='hw2.gif' onclick='hwwh()'>HW2.GIF");   
25newWindow.document.write("&nbsp &nbsp &nbsp");   
26newWindow.document.write("<img src='hw4.gif' onclick='self.close()'>HW4.GIF");   
27newWindow.document.write("<script>");   
28newWindow.document.write("function wh(){var xm;var mm;xm=document.form1.text1.value;mm=document.form1.text2.value;if(xm==''){alert('请填写用户名')} else if(mm==''){alert('请输入密码')}else if(xm!='a' ¦ &brvbarmm!='0'){alert('您输入的用户名或密码错误，请重新输入')}}function hwwh(){document.form1.text1.value='';document.form1.text2.value='';}");   
29newWindow.document.write("</script>");   
30newWindow.document.write("");   
31newWindow.document.write("</head></html>

");
newWindow.document.form1.text1.focus();
newWindow.document.close();

}

//-->

1<body onload="hw()">
2</body>
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