仿农行的密码筐鼠标输入效果

2009-12-24 综合应用 136℃

<!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> 密码输入框 </title>
  <meta name="author" content="www.zlcool.com"/>
  <style type="text/css">
  
  </style>
  <SCRIPT language=javascript>
function VerifyInput() 
		{ 
　var pwd=document.all.pwd.value;
			if(pwd=="")
			{
			 alert("请输入密码！"); 
				document.all.pwd.focus(); 
				return false;				
			}		
			return true;
		}
		</SCRIPT>
  <script type="text/javascript">
function rand() {
	return Math.floor(Math.random()*10);
}
var rangenum = new Array();
var tem;
for (var i = 0; i<10; i++) {
	rangenum.push(i);
}
for (var i = 0; i<10; i++) {
	var a = rand();
	var b = rand();
	tem = rangenum[a];
	rangenum[a] = rangenum[b];
	rangenum[b] = tem;
}
function creatnums() {
	for (i=0; i<rangenum.length; i++) {
		document.writeln("<div class=\"nbox\" ><a href=\"#\"onclick=\"input("+rangenum[i]+")\">"+rangenum[i]+"</a></div>");
	}
	document.writeln("<div class=\"text\"><a href=\"#\" onclick='input(-1)'>退格</a><a href=\"#\" onclick=\"clearinput()\">清除</a></div>");
}
function input(i) {
    var pwd=document.form.pwd.value;
	if (pwd.length<8||i == '-1') {
		if (i == '-1') {
			document.form.pwd.value = pwd.substring(0,pwd.length-1);
		} else {
			document.form.pwd.value = pwd+i;
		}
	}
	else{document.getElementById('contain').style.display="none";}
}
function clearinput() {
   document.form.pwd.value="";
}
function showpad(){
   document.getElementById('contain').style.display="block";
}
function hiddenpad(){
   document.getElementById('contain').style.display="none";
}
function noinput(){
var pwd=document.form.pwd.value;
document.form.pwd.value = pwd.substring(0,pwd.length-2);
}
 </script>
 </head>
 <body>
 <form name="form" action=http://www.zlcool.com target=_blank>
   请输入密码
 <input type="password" name="pwd" onclick="showpad()" onkeydown="return false;" size="8">
 <input type="submit" value=" OK " onclick="return VerifyInput();" onmouseover="hiddenpad()">
</form>
   <div id="contain">
  <script type="text/javascript">
  creatnums();
  </script>
  </div>
 </body>
</html>

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