var lvPwdStrenth=new PasswordStrength();
    lvPwdStrenth.setUserName("hello");

	function UserNameChanged()
	{
		lvPwdStrenth.setUserName(document.getElementById(tbPTClientID).value);
	}
    function CheckPwdStrength()
    {
    	var lvPwd=document.getElementById(tbNewPwdClientID).value;
    	var lvPwdLevel=lvPwdStrenth.getLevel(lvPwd);
    	if(lvPwdLevel==0)
    	{
    	    document.getElementById(btnSubmitClientID).disabled = 'false';
    		document.getElementById("pwdDesc").innerHTML="<font style='font:14px;color:red;'>"+lvPwdStrenth.getDescription()+"</font>";
    	}
    	else
    	{
    	    document.getElementById(btnSubmitClientID).disabled = '';
	         switch(lvPwdLevel) { 
		         case 1:
	                document.getElementById("pwdDesc").innerHTML="密码为<font color=\"Blue;\" style='font:14px;'>弱</font>，建议用8位以上的英文数字组合";		        
			         break;
		         case 2:
		            document.getElementById("pwdDesc").innerHTML="密码为<font color=\"#999999;\" style='font:14px;'>中</font>，建议用8位以上的英文数字组合";
			         break;
	            case 3:
		            document.getElementById("pwdDesc").innerHTML="密码强度为<font color=\"Green;\" style='font:14px;'>强</font>";
			         break;
	         }
    	}
    }