<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.111cn.net/ 1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>js验证密码</title>
<script language="网页特效">
function chkpwd(obj){
var t=obj.value;
var id=getresult(t);
var msg=new array(4);
msg[0]="密码小于6个字符。";
msg[1]="密码强度一般。";
msg[2]="密码强度良好。";
msg[3]="密码强度高。";
var sty=new array(4);
sty[0]=-45;
sty[1]=-30;
sty[2]=-15;
sty[3]=0;
var col=new array(4);
col[0]="gray";
col[1]="red";
col[2]="#ff6600";
col[3]="green";
var bimg="../images/passwordjc.gif";
var swidth=300;
var sheight=15;
var bobj=document.getelementbyid("chkresult");
bobj.style.fontsize="12px";
bobj.style.color=col[id];
bobj.style.width=swidth + "px";
bobj.style.height=sheight + "px";
bobj.style.lineheight=sheight + "px";
bobj.style.background="url(" + bimg + ") no-repeat left " + sty[id] + "px";
bobj.style.textindent="20px";
bobj.innerhtml="检测提示：" + msg[id];
}
function getresult(s){
if(s.length < 4){
return 0;
}
var ls = 0;
if (s.match(/[a-z]/ig)){
ls++;
}
if (s.match(/[0-9]/ig)){
ls++;
}
if (s.match(/(.[^a-z0-9])/ig)){
ls++;
}
if (s.length < 6 && ls > 0){
ls--;
}
return ls
}
</script>
</head><body>
<table>
<tr>
<td height="35" align="right"><span class="user_reg_text">密 码：<span style="color:#f00">*</span> </span></td>
<td align="left"><input name="user_pass" type="password" class="user_reg_button" id="user_pass" size="25" maxlength="20" onblur="chkpwd(this)" /></td>
<td align="left"><div class="domain_text_1" id="chkresult">由字母、数字、下划线组成（6-20位)</div></td>
</tr>
<tr>
<td height="35" align="right" class="user_reg_text">再次输入密码：<span style="color:#f00">*</span> </td>
<td colspan="2" align="left"><input name="user_pass_two" type="password" class="user_reg_button" id="user_pass_two" size="25" maxlength="20" /></td>
</tr>
</table>
</body>
</html>