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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>测试文档</title>
<script type="text/javascript">
function checkform(){
var dw=document.getElementsByName("dunwei");
var jh=document.getElementsByName("jianum");
for(var i=0;i<dw.length;i++){ //或jh.length
if(dw[i].value=="22T"){
if(jh[i].value==""){
alert("请输入架号!");
jh[i].focus();
return false;
}
}
}
if (frmcarqb.userpass.value==""){
alert("请输入密码!");
frmcarqb.userpass.focus();
return false;
}
}
</script>
</head>
<body>
<form name="frmcarqb" action="" onsubmit="return checkform()" method="get">
<table name="tabObj" border="1" align="center">
<tr><td>吨位:<input type="text" name="dunwei" value="20T" /> 架号:<input type="text" name="jianum" value="" /></td></tr>
<tr><td>吨位:<input type="text" name="dunwei" value="21T" /> 架号:<input type="text" name="jianum" value="" /></td></tr>
<tr><td>吨位:<input type="text" name="dunwei" value="22T" /> 架号:<input type="text" name="jianum" value="" /></td></tr>
<tr><td>吨位:<input type="text" name="dunwei" value="23T" /> 架号:<input type="text" name="jianum" value="" /></td></tr>
<tr><td>密码:<input type="password" name="userpass" value="" /> <input type="submit" value=" 提 交 " /> <input type="reset" value=" 重填 " /></td></tr>
</table>
</form>
</body>
</html>