window.onerror = new Function("return true");
screen.bufferDepth = 0;
object = new Array();

am = 40;
TEMPO = 5000;

W0 = 0;
H0 = 0;
nx = 0;
ny = 0;
K  = 0;
Kb = -1;

function zoomIn(N){
	object[N].img.cursor="crosshair";
	object[N].zoomIn();
	object[N].img.zIndex=0;
}

function zoomOut(N){
	object[N].img.cursor="pointer";
	object[N].zoomOut();
}

function zyva(N){
	if(N!=Kb){
		clearTimeout(object[Kb].TO);
		zoomIn(N);
		object[Kb].BR=true;
		zoomOut(Kb);
		Kb=N;
	}
}

function nextImg(){
	if(Kb>=0)zoomOut(Kb);
	Kb=K%nbI;
	zoomIn(Kb);
	K++;
}

function CObj(N,img){
	this.A   = Math.round(Math.random()*10)+1;
	this.B   = Math.round(Math.random()*10)+3;
	this.k   = 0.1 * N;
	this.L   = 0;
	this.T   = 0;
	this.W   = W0;
	this.H   = H0;
	this.xb  = 0;
	this.img = img.style;
	this.img.zIndex = 1;
	this.obj = "object["+N+"].";
	this.BR  = false;
	this.TO  = 0;

	this.mainloop = function () {
		with (this) {
			k += 0.001;
			L  = ((nx-W) * .5) + (Math.cos(k * A) * .5) * (nx - W);
			T  = ((ny-H) * .5) + (Math.cos(k * B) * .5) * (ny - H);
			with(img){
				width  = Math.floor(W);
				height = Math.floor(H);
				top    = Math.floor(T);
				left   = Math.floor(L);
			}
			setTimeout(obj+"mainloop();", 32);
		}
	}

	this.zoomIn  = function() {
		with (this) {
			W += (nx - W) * (.1 * am/(.01+(nx - W)));
			H += (ny - H) * (.1 * am/(.01+(nx - W)));
			if(!BR){
				if(W >= nx) TO=setTimeout("nextImg();", TEMPO);
				else setTimeout(obj+"zoomIn();", 32);
			}
		}
	}

	this.zoomOut  = function() {
		with (this) {
			W -= W / (am * .5);
			H -= H / (am * .5);
			if(W >= 2) setTimeout(obj+"zoomOut();", 32);
			else {
				BR=false;
				img.zIndex=1;
				zoomStart();
			}
		}
	}
	this.zoomStart = function() {
		with (this) {
			W++;
			H += H0 / W0;
			if(W<W0 || H<H0)setTimeout(obj+"zoomStart();", 32);
		}
	}

	this.mainloop();
}

function resize() {
	nx = document.body.clientWidth;
	ny = document.body.clientHeight;
	W0  = nx / nbI;
	H0  = ny / nbI;
	if(H0<W0*.56)H0=W0*.56;
}
onresize = resize;

onload = function() {
	img = document.getElementById("IMG").getElementsByTagName("img");
	nbI = img.length;
	resize();
	for(i=0;i<nbI;i++) object[i] = new CObj(i,img[i]);
	nextImg();
}