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var http_request = false;
function send_request(url) {//初始化、指定处理函数、发送请求的函数
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http_request.onreadystatechange = processRequest;
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// 处理返回信息的函数
function processRequest() {
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function dosearch() {
var f = document.form1;
var geci = f.geci.value;
if(geci=="") {
window.alert("请输入你要查询的歌词");
f.geci.focus();
return false;
}
else {
document.getElementById("result").innerHTML="正在查询，请稍候";
send_request('http://www.efish.cn/getgeci.aspx?m='+escape(geci));
}
}
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}
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<p></p><p></p>
<form id="form1" name="form1" method="post" action="">
<center><span style="font-size:18px; color:#FF0000">十万歌词在线免费查询</span></center>
<p></p>
请输入歌曲名：
<input name="geci" type="text" id="geci" value="东风破" size="60" height="30" maxlength="50" onKeyDown="submitForm()" />
<input type="button" name="search" value="查询歌词" onClick="dosearch()"><br />
<span id="result"></span>
</form>
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