[ruslan_mart]

var data = new Array(20),
	i = 0, n;

function getRandomInt(n) {
	return Math.floor(Math.random() * ++n);
}

while(i < 10) {
	n = getRandomInt(19);
	if(data.indexOf(n) < 0) {
		data[i] = n;
		data[i + 10] = getRandomInt(2);
		i++;
	}
}

alert( data );
alert( data.join('') );