var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var base64DecodeChars = new Array(
  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
  52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
  -1, 0, 1, 2, 3,  4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
  -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
  41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);

function base64encode(str) {
    var out, i, len;
    var c1, c2, c3;
    len = str.length;
    i = 0;
    out = "";

    while(i < len) {
        c1 = str.charCodeAt(i++) & 0xff;
        if(i == len)
        {
            out += base64EncodeChars.charAt(c1 >> 2);
            out += base64EncodeChars.charAt((c1 & 0x3) << 4);
            out += "==";
            break;
        }

        c2 = str.charCodeAt(i++);

        if(i == len)
        {
            out += base64EncodeChars.charAt(c1 >> 2);
            out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
            out += base64EncodeChars.charAt((c2 & 0xF) << 2);
            out += "=";
            break;
        }

        c3 = str.charCodeAt(i++);
        out += base64EncodeChars.charAt(c1 >> 2);
        out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
        out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6));
        out += base64EncodeChars.charAt(c3 & 0x3F);
    }

    return out;
}

function pop_verify(){
    var err_msg=document.getElementById('err_msg');
    var nickbox=document.getElementsByName('nickbox')[0].value;
    var nickemail=hex_md5(document.getElementsByName('nickemail')[0].value);	

    var desc_obj=document.getElementById('description');

    var user_mail = new RegExp(document.getElementById("magi_email").value);
    var nick_name = document.getElementById("magi_nickname").value;
    var confirm_mail = new RegExp(document.getElementById("magi_confirm_mail").value);
    var qid=base64encode(document.getElementById('o_qid').value);
    var sid=base64encode(document.getElementById('o_sid').value);

    if(nickbox ==''){
        err_msg.innerHTML='<font color="#FF0000">Could you explain why you pick this idea as the best?</font>';

        return false;
    }

    if(!user_mail.test(nickemail)){

        var error='Your email does not match '+nick_name+'\'s original email. Only '+nick_name+' can pick the best idea. Please try again.';	
        err_msg.innerHTML='<font color="#FF0000">'+error+'</font>';

        return false;
    }
    if(confirm_mail.test(nickemail)){
        document.getElementById('pick_form').submit;
        top.location.href="/magi/valid_best/"+sid+"/"+qid;
    }
    else {
        YAHOO.example.container.dialog2.show();
    }
    return true;
}