var dist = [
['Άγιος Κήρυκος (κέντρο)',[]],
['Αγία Κυριακή',[34.9]],
['Αρμενιστής',[46.2,190]],
['Γιαλισκαρι',[46,140,46]],
['Αυλάκι',[32.5,185,66,46]],
['Κάμπος',[59,160,33,21,41]],
['Νας',[49,105.86,41,86,61]],
['Κάτω Προεσπέρα',[51.7,80,108,60,107,82,22]],
['Ράχες (Χριστός)',[54.9,65,120,125,155,110,105,80]]
];

function reverse(a, b){if (a>b) return -1;if (a <b) return 1;return 0;}function setOptions(id) {var selbox = document.getElementById(id);selbox.options.length = 0;var ct = []; for (var i = dist.length - 1; i >= 0; i--) {ct[i] = dist[i][0]+','+i;} ct.sort(reverse); for (var i = dist.length - 1; i >= 0; i--) {var c = ct[i].split(','); selbox.options[selbox.options.length] = new Option(c[0],c[1]);}}function calc() {var v1 = document.getElementById('ca').value;var v2 = document.getElementById('cb').value;var km = 0;if (v1 != v2) km = dist[Math.max(v1,v2)][1][Math.min(v1,v2)];document.getElementById('k').value = km;document.getElementById('m').value = Math.round(km/1.608);}function start() {setOptions('ca');setOptions('cb');}window.onload=start;