// random.js

function getImage() {

var rand = Math.floor(Math.random()*21); // number is amount of photos++
var file = 'perth02.jpg';

switch(rand) {
	case '1':
		var file = 'monkeymia01.jpg';
		break;
	case '2':
		var file = 'perth01.jpg';
		break;
	case '3':
		var file = 'perth02.jpg';
		break;
	case '4':
		var file = 'perth03.jpg';
		break;
	case '5':
		var file = 'outback01.jpg';
		break;
	case '6':
		var file = 'mining01.jpg';
		break;
	case '7':
		var file = 'pinnacles01.jpg';
		break;
	case '8':
		var file = 'busselton01.jpg';
		break;
	case '9':
		var file = 'leeuwin01.jpg';
		break;
	case '10':
		var file = 'leeuwin02.jpg';
		break;
	case '11':
		var file = 'broome01.jpg';
		break;
	case '12':
		var file = 'esperance01.jpg';
		break;
	case '13':
		var file = 'wildflowers01.jpg';
		break;
	case '14':
		var file = 'eucla01.jpg';
		break;
	case '15':
		var file = 'broome02.jpg';
		break;
	case '16':
		var file = 'coralcoast01.jpg';
		break;
	case '17':
		var file = 'coralcoast02.jpg';
		break;
	case '18':
		var file = 'fremantle01.jpg';
		break;
	case '19':
		var file = 'fremantle02.jpg';
		break;
	case '20':
		var file = 'northbridge01.jpg';
		break;
	default:
		var file = 'perth02.jpg';
}
document.getElementById('entirety').style.backgroundImage = 'images/home_backgrounds/' + file;

var filepath = 'images/home_backgrounds/' + file;
alert(filepath);

}

getImage();