<!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>look</title>
<style>
.ico{
height:30px;
width:34px;
background:url(images/ico.jpg) no-repeat -67px 0px;
position:absolute;
top:10px;
left:8.5%;
opacity:0.7;
}
#in{ display:block;
height:30px;
width:10%;}
</style>
</head>
<body>
<input type="password" id="in" />
<img class="ico" id="ico" onclick="xs()" title="显示密码"/>
<script>
function xs(){
//var a = document.getElementById("inp").value;
var aa=document.getElementById("ico").title;
//alert();
if(aa == "隐藏密码"){
document.getElementById("in").type="password";
document.getElementById("ico").title = "显示密码";
document.getElementById("ico").style="background:url(images/ico.jpg) no-repeat -67px 0px;";
}else{
document.getElementById("ico").title = "隐藏密码";
document.getElementById("in").type="text";
document.getElementById("ico").style="background:url(images/ico.jpg) no-repeat -111px 0px;";
}
}
</script>
</body>
</html>