Javascript 檢查密碼和驗證兩次密碼

 

function CheckPsw()
...{
    var p=document.getElementById("TxtPsw").value;
    if(p.length==0)
    ...{
        checkPsw="false";
        SetCheckPsw(checkPsw);
        return;
     }
    var Expression=/^[A-Za-z0-9]+$/;
    var regExp=new RegExp(Expression);
    if(regExp.test(p)==false)
    ...{
        checkPsw="false1";
        SetCheckPsw(checkPsw);
    }
    else if(p.length<6)
    ...{
        checkPsw="false2";
        SetCheckPsw(checkPsw);
    }
    else
    ...{ 
        checkPsw="true";
        SetCheckPsw(checkPsw);
    }
    
}

function SetCheckPsw(arguments)
...{
    var obj=document.getElementById("checkPsw");
    if(arguments=="false")
    ...{
        obj.className="Error";
        obj.innerHTML='請輸入密碼';
    }
    else if(arguments=="false1")
    ...{
        obj.className="Error";
        obj.innerHTML='密碼只能由數字和字母組成';
    }
    else if(arguments=="false2")
    ...{
        obj.className="Error";
        obj.innerHTML='密碼長度應大於6';
    }
    else if(arguments=="true")
    ...{
        obj.className="none";
        obj.innerHTML='';
    }
    
}        
function ValidatePsw()
...{
    
    var p1=document.getElementById("TxtPsw").value;
    var p2=document.getElementById("TxtPswValidate").value;
    if(p2.length==0)
    ...{
        validatePsw="false";
        SetValidatePsw(validatePsw);
        return;
    }
    if(p1 != p2)
    ...{
        validatePsw="false1";
        SetValidatePsw(validatePsw);
        return;
    }
    else
    ...{
        validatePsw="true";
        SetValidatePsw(validatePsw);
    }
}

function SetValidatePsw(arguments)
...{
    var obj=document.getElementById("ValidatePsw");
    if(arguments=="false")
    ...{
        obj.className="Error";
        obj.innerHTML='請輸入確認密碼';
    }
    else if(arguments=="false1")
    ...{
       obj.className="Error";
       obj.innerHTML='兩次輸入密碼不同,請重新輸入';
    }
    else if(arguments=="true")
    ...{
       obj.className="none";
       obj.innerHTML='';
    }
}