function checkPassword(pwd)
{
    var Pass=CheckPass(pwd);
    var objLow=document.getElementById("pwdLow");
    var objMed=document.getElementById("pwdMed");
    var objHi=document.getElementById("pwdHi");
    objLow.className="pwd-strength-box";
    objMed.className="pwd-strength-box";
    objHi.className="pwd-strength-box";
    if(Pass)
    {
        var p1= (pwd.value.search(/[a-zA-Z]/)!=-1) ? 1 : 0;
        var p2= (pwd.value.search(/[0-9]/)!=-1) ? 1 : 0;
        var p3= (pwd.value.search(/[^A-Za-z0-9_]/)!=-1) ? 1 : 0;
        var pa=p1+p2+p3;
        if(pa==1)
        {
            objLow.className="pwd-strength-box-low";
            objLow.innerText="低";
            objMed.innerText="";
            objHi.innerText="";
        }else if(pa==2){
            objLow.className="pwd-strength-box-med";
            objMed.className="pwd-strength-box-med";
            objLow.innerText="";
            objMed.innerText="中";
            objHi.innerText="";
        }else if(pa==3){
            objLow.className="pwd-strength-box-hi";
            objMed.className="pwd-strength-box-hi";
            objHi.className="pwd-strength-box-hi";
            objLow.innerText="";
            objMed.innerText="";
            objHi.innerText="高";
        }
    }else{
        objLow.innerText="低";
        objMed.innerText="中";
        objHi.innerText="高";
    }
}