<!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>表單的驗證</title>
<style type="text/css">
#Key{ border:1px solid #66CCFF;margin-top:30px;color:#DFDFDF;};
</style>
<link rel="shortcut icon" href="http://www.feedtrade.com.cn/favicon.ico">
<script language="javascript" src="/js/jquery-1.3.js"></script>
<script type="text/javascript">
function focusSearch()
{
var f = document.f1;
if (f.Keyword.value == f.Keyword.defaultValue)
f.Keyword.value = "";
f.Keyword.style.color="#000";
}
function blurSearch()
{
var f = document.f1;
if (f.Keyword.value == "")
f.Keyword.value = f.Keyword.defaultValue;
f.Keyword.style.color="#dfdfdf";
}
</script>
</head>
<body>
<form action="" method="post" id="initform" name="f1">
<label for="user">username:</label><input type="text" name="Keyword" id="Key" value="請輸入查詢關鍵字，*號表示空值" οnfοcus="focusSearch();" οnblur="blurSearch();"/><br />
</form>
</body>
</html>
<!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=utf-8" />
<title>表單的驗證</title>
<style type="text/css">
#user,#pw,#qq,#tel{ color:#DFDFDF;}
</style>
<script type="text/javascript">
function validForms(){
if(!document.getElementById) return false;
var initform=document.getElementById("initform");
for(var i=0,valids=initform.elements;i<valids.length;i++){
if(valids[i].type=='submit') continue;
valids[i].οnfοcus=function(){
if(this.value==this.defaultValue){
this.value='';
this.style.color='#000';
}
}
valids[i].οnblur=function(){
if(this.value==''){
this.value=this.defaultValue;
this.style.color='#dfdfdf';
this.parentNode.οnsubmit=function(){return false;}
}
}
}
}
window.οnlοad=validForms;
</script>
</head>
<body>
<form action="" method="post" id="initform">
<label for="user">username:</label><input type="text" id="user" value="this is abalue"/><br />
<label for="pw">password:</label><input type="text" id="pw" value="this is abalue"/><br />
<label for="qq">QQ:</label><input type="text" id="qq" value="this is abalue"/><br />
<label for="tel">Tel:</label><input type="text" id="tel" value="this is abalue"/><br />
<input type="submit" value="提 交" id="sub"/>
</form>
</body>
</html>
