q = new Array();

function checkQ(obj) {
	if(sha1Hash(obj.value.toUpperCase()) == q[obj.id]) {
		validate1(obj);
	}	else {
		validate2(obj);
	}
	
}

function validate1(obj) {
	if(obj.disabled == false) {
		obj.style.backgroundColor = '#A6D110';
	}
}

function validate2(obj) {
	if(obj.value=='') {
		obj.style.backgroundColor = '#88ABCE';
	} else {
		obj.style.backgroundColor = '#F06600';
	}
}

function sha1Hash(msg) {
    var K = [0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6];
    msg += String.fromCharCode(0x80);

    var l = Math.ceil(msg.length/4) + 2;
    var N = Math.ceil(l/16);
    var M = new Array(N);

    for (var i=0; i<N; i++) {
        M[i] = new Array(16);
        for (var j=0; j<16; j++) {
            M[i][j] = (msg.charCodeAt(i*64+j*4)<<24) | (msg.charCodeAt(i*64+j*4+1)<<16) | 
                      (msg.charCodeAt(i*64+j*4+2)<<8) | (msg.charCodeAt(i*64+j*4+3));
        }
    }
    M[N-1][14] = ((msg.length-1) >>> 30) * 8;
    M[N-1][15] = ((msg.length-1)*8) & 0xffffffff;

    var H0 = 0x67452301;
    var H1 = 0xefcdab89;
    var H2 = 0x98badcfe;
    var H3 = 0x10325476;
    var H4 = 0xc3d2e1f0;

    var W = new Array(80); var a, b, c, d, e;
    for (var i=0; i<N; i++) {

        for (var t=0;  t<16; t++) W[t] = M[i][t];
        for (var t=16; t<80; t++) W[t] = ROTL(W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16], 1);

        a = H0; b = H1; c = H2; d = H3; e = H4;

        for (var t=0; t<80; t++) {
			var s = Math.floor(t/20);
			var T = (ROTL(a,5) + f(s,b,c,d) + e + K[s] + W[t]) & 0xffffffff;
			e = d;
			d = c;
			c = ROTL(b, 30);
			b = a;
			a = T;
		}
		H0 = (H0+a) & 0xffffffff;
		H1 = (H1+b) & 0xffffffff; 
		H2 = (H2+c) & 0xffffffff; 
		H3 = (H3+d) & 0xffffffff; 
		H4 = (H4+e) & 0xffffffff;
	}
	return H0.toHexStr() + H1.toHexStr() + H2.toHexStr() + H3.toHexStr() + H4.toHexStr();
}

function f(s, x, y, z) 
{
    switch (s) {
    case 0: return (x & y) ^ (~x & z);
    case 1: return x ^ y ^ z;
    case 2: return (x & y) ^ (x & z) ^ (y & z);
    case 3: return x ^ y ^ z;
    }
}

function ROTL(x, n) {
    return (x<<n) | (x>>>(32-n));
}

Number.prototype.toHexStr = function() {
    var s="", v;
    for (var i=7; i>=0; i--) { v = (this>>>(i*4)) & 0xf; s += v.toString(16); }
    return s;
}
q['q1']  = '275b827b81d777da60c169e43c57bf01e6343dfd';
q['q2']  = '46283bc7cbd31fc29115f0b4e2ce30bd8612e04b';
q['q3']  = '8a9d5f782348ee23648efdeeb981bb7f70b3bce0';
q['q4']  = '4c5eee31f00ded5024a38ee5665f7530adfa4ad8';
q['q5']  = 'fe280ab6a2ea2e9ad369f650848aaa68a0d69f5e';
q['q6']  = '165265cfd788befdf99a8b81c2b3385b510f3098';
q['q7']  = '9c86a3c57cc979f8313476204950e6e58c6cee55';
q['q8']  = '2768668eaa5dc1300dea80a95a40ad9579dff7c9';
q['q9']  = '1e525d9ba07549603ada48d1b2c3c8bbe5323ca5';
q['q10']  = '36841619b2c9deb1d6f0a076f5f0b58ad61e8e0e';
q['q11']  = '7daf403c7589f4927632ed3b6af762a992f09b78';
q['q12']  = 'a09b4dd641df41d0822c537b0135a0031207e9b7';
q['q13']  = 'fc2b4216164cfb01ac45112054b3fedda8b56c86';
q['q14']  = '1fba89fd5f423f57fe118ec9a9a0b4377f6f1ef8';
q['q15']  = '1956d18b184902a9f6311ea14a1678584afc9b0f';
q['q16']  = 'e4bc4b1059294a74bcda71cd96a0c1b71757d094';
q['q17']  = '0893567fc1d8f46c69a1bd9bf54d359d02b5dad7';
q['q18']  = 'ad1d50e1b1c05740530fa56792635be90321f055';
q['q19']  = '98bce965fde770505c3bf67b2c2a39baec35720c';
q['q20']  = '4f1cef8d900db702b7759ef360430fd6151362a1';