var dcl = false;
bc = 1;

function init() {

	if (document.images) {

		v1s_front = new Image();
		v1s_back = new Image();
		v1s_front.src = "images/1.front.small.jpg";
		v1s_back.src = "images/1.back.small.jpg";
		v1b_front = new Image();
		v1b_back = new Image();
		v1b_front.src = "images/1.front.big.jpg";
		v1b_back.src = "images/1.back.big.jpg";

		v2s_front = new Image();
		v2s_back = new Image();
		v2s_front.src = "images/2.front.small.jpg";
		v2s_back.src = "images/2.front.small.jpg";
		v2b_front = new Image();
		v2b_back = new Image();
		v2b_front.src = "images/2.front.big.jpg";
		v2b_back.src = "images/2.front.big.jpg";

		v3s_front = new Image();
		v3s_back = new Image();
		v3s_front.src = "images/3.front.small.jpg";
		v3s_back.src = "images/3.front.small.jpg";
		v3b_front = new Image();
		v3b_back = new Image();
		v3b_front.src = "images/3.front.big.jpg";
		v3b_back.src = "images/3.front.big.jpg";

		v4s_front = new Image();
		v4s_back = new Image();
		v4s_front.src = "images/4.front.small.jpg";
		v4s_back.src = "images/4.back.small.jpg";
		v4b_front = new Image();
		v4b_back = new Image();
		v4b_front.src = "images/4.front.big.jpg";
		v4b_back.src = "images/4.back.big.jpg";

		v5s_front = new Image();
		v5s_back = new Image();
		v5s_front.src = "images/5.front.small.jpg";
		v5s_back.src = "images/5.back.small.jpg";
		v5b_front = new Image();
		v5b_back = new Image();
		v5b_front.src = "images/5.front.big.jpg";
		v5b_back.src = "images/5.back.big.jpg";

		v6s_front = new Image();
		v6s_back = new Image();
		v6s_front.src = "images/6.front.small.jpg";
		v6s_back.src = "images/6.front.small.jpg";
		v6b_front = new Image();
		v6b_back = new Image();
		v6b_front.src = "images/6.front.big.jpg";
		v6b_back.src = "images/6.front.big.jpg";

		v7s_front = new Image();
		v7s_back = new Image();
		v7s_front.src = "images/7.front.small.jpg";
		v7s_back.src = "images/7.back.small.jpg";
		v7b_front = new Image();
		v7b_back = new Image();
		v7b_front.src = "images/7.front.big.jpg";
		v7b_back.src = "images/7.back.big.jpg";

		v8s_front = new Image();
		v8s_back = new Image();
		v8s_front.src = "images/8.front.small.jpg";
		v8s_back.src = "images/8.back.small.jpg";
		v8b_front = new Image();
		v8b_back = new Image();
		v8b_front.src = "images/8.front.big.jpg";
		v8b_back.src = "images/8.back.big.jpg";

		dcl = true;
	}
}

function vback(i,t) {
	if (dcl) {
		if (t == 's') { e = 'v'+i+'s_back.src'; imtarget = 'v'+i+'s'; }
		else { e = 'v'+bc+'b_back.src'; imtarget = 'hello'; }
		document.images[imtarget].src = eval(e);
	}
}

function vfront(i,t) {
	if (dcl) {
		if (t == 's') { e = 'v'+i+'s_front.src'; imtarget = 'v'+i+'s'; }
		else { e = 'v'+bc+'b_front.src'; imtarget = 'hello'; }
		document.images[imtarget].src = eval(e);
	}
}

function change(i) {
	if (dcl) {
		bc = i;
		document.form.model.value = bc;
		e = 'v'+bc+'b_front.src';
		document.images['hello'].src = eval(e);
	}
}