var vxMax=50;
var vxMin=10;
var vyMax=100;
var vyMin=50;
var vx;
var vy;
var ms=100;
var t;
var Tespera=25;
var PajX, PajY;
var IECorrec;

function inici1()
{
	SoOn = true;
	SetSoundSys();
	inicio();
}

function inicio()
{
	var TipoAni = Math.random();
	t=0;

	ShowLayer("pajaro",1);
	//PlaySnd("few1",false);

	if (TipoAni<0.45)
	{
		PajX = windowW;
		PajY = GetWindowOffsetY() + (windowH/2) + (Math.random()*windowH/2);
		if (sys!="Netscape") 
		{
			IECorrec = mouseY - windowH/2;
			PajY+= IECorrec;
		}
		else IECorrec = 0;
		vx=vxMin + Math.random()*(vxMax-vxMin);
		vy=vyMin + Math.random()*(vyMax-vyMin);
		avanza();
	}
	else if (TipoAni<0.9)	
	{
		PajX = 0;
		PajY = GetWindowOffsetY() + (windowH/2) + (Math.random()*windowH/2);
		if (sys!="Netscape") 
		{
			IECorrec = mouseY - windowH/2;
			PajY+= IECorrec;
		}
		else IECorrec = 0;
		vx=-(vxMin + Math.random()*(vxMax-vxMin));
		vy=vyMin + Math.random()*(vyMax-vyMin);
		avanza();
	}
	else
	{
		ShowLayer("pajaro",0);
		espera();
	} 
}

function espera()
{
	++t;
	if (t<Tespera)	window.setTimeout("espera();",ms)
	else 
	{
		//ShowLayer("pajaro",1);
		inicio();
	}
}

function avanza()
{
	++t;
	PajX = PajX - vx;
	PajY = (PajY - vy + (10*t));
	
	if (PajX < -100 || PajX > windowW) 
	{
		inicio();
		return;
	}
	
	if (PajY > GetWindowOffsetY() + windowH + IECorrec) 
	{
		PajY = GetWindowOffsetY() + windowH + IECorrec - 10;
		vy = -vy;
		//PlaySnd("few2",false);
		t = 0;
	}
	SetLayerPos("pajaro",PajX,PajY);
	window.setTimeout("avanza();",ms)
}