var numOfertas = 1;
var ofertaActual = 1;
var desplazamientoOferta = 288;


var numEscapadas = 11;
var EscapadaActual = 1;
var desplazamientoEscapada = 350;

var scrollOferta = {time:0, begin:0, change:0.0, duration:0.0, element:null, timer:null};
var scrollEscapada = {time:0, begin:0, change:0.0, duration:0.0, element:null, timer:null};



numEscapadas--;





	function sineInOut(t, b, c, d)
	{
		//return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
		
return b + t * (c/d)
	}




//--------------------------------------------------------------------------------------------------------------------------





	function scrollStartOferta(elem, start, end)
	{

		if (scrollOferta.timer != null) {
			clearInterval(scrollOferta.timer);
			scrollOferta.timer = null;
		}
		scrollOferta.time = 0;
		scrollOferta.begin = start;
		scrollOferta.change = end - start;
		scrollOferta.duration = 25;
		scrollOferta.element = elem;


		scrollOferta.timer = setInterval("scrollHorizAnimOferta();", 15);

	}


	function scrollHorizAnimOferta()
	{
	
		if (scrollOferta.time > scrollOferta.duration) {
			clearInterval(scrollOferta.timer);
			scrollOferta.timer = null;
		}
		else {
			move = sineInOut(scrollOferta.time, scrollOferta.begin, scrollOferta.change, scrollOferta.duration);
			scrollOferta.element.scrollLeft = move;
			scrollOferta.time++;
		}
	}



//--------------------------------------------------------------------------------------------------------------------------




	function scrollStartEscapada(elem, start, end)
	{

		if (scrollEscapada.timer != null) {
			clearInterval(scrollEscapada.timer);
			scrollEscapada.timer = null;
		}
		scrollEscapada.time = 0;
		scrollEscapada.begin = start;
		scrollEscapada.change = end - start;
		scrollEscapada.duration = 25;
		scrollEscapada.element = elem;


		scrollEscapada.timer = setInterval("scrollHorizAnimEscapada();", 15);

	}


	function scrollHorizAnimEscapada()
	{
	
		if (scrollEscapada.time > scrollEscapada.duration) {
			clearInterval(scrollEscapada.timer);
			scrollEscapada.timer = null;
		}
		else {
			move = sineInOut(scrollEscapada.time, scrollEscapada.begin, scrollEscapada.change, scrollEscapada.duration);
			scrollEscapada.element.scrollLeft = move;
			scrollEscapada.time++;
		}
	}






//--------------------------------------------------------------------------------------------------------------------------






function desplazarOferta(direccion)
{

  if (scrollOferta.timer == null) {


    if ((direccion == 'izq') && (ofertaActual < numOfertas))
    {
      desplazamiento = desplazamientoOferta;
      ofertaActual++;
    }
    else if ((direccion == 'der') && (ofertaActual > 1))
    {
      desplazamiento = desplazamientoOferta * (-1);
      ofertaActual--;
    }
    else
      desplazamiento = 0;


    if (desplazamiento != 0)
    {
      ventana = document.getElementById('ventanaOferta');
      scrollStartOferta(ventana, ventana.scrollLeft, ventana.scrollLeft + desplazamiento);

      if (ofertaActual == numOfertas)
        document.getElementById('irOfertaSig').innerHTML = '<div class="flechaDesactivada"></div>';
      else
        document.getElementById('irOfertaSig').innerHTML = '<div class="flechaActivada"><a href="javascript:desplazarOferta(\'izq\');"></a></div>';    

      if (ofertaActual == 1)
        document.getElementById('irOfertaPrev').innerHTML = '<div class="flechaDesactivada"></div>';
      else
        document.getElementById('irOfertaPrev').innerHTML = '<div class="flechaActivada"><a href="javascript:desplazarOferta(\'der\');"></a></div>';    

    }

  }
  
}



//--------------------------------------------------------------------------------------------------------------------------


function desplazarEscapada(direccion)
{

  if (scrollEscapada.timer == null) {


    if ((direccion == 'izq') && (escapadaActual < numEscapadas))
    {
      desplazamiento = desplazamientoEscapada;
      escapadaActual++;
    }
    else if ((direccion == 'der') && (escapadaActual > 1))
    {
      desplazamiento = desplazamientoEscapada * (-1);
      escapadaActual--;
    }
    else
      desplazamiento = 0;


    if (desplazamiento != 0)
    {
      ventana = document.getElementById('ventanaEscapada');
      scrollStartEscapada(ventana, ventana.scrollLeft, ventana.scrollLeft + desplazamiento);

      if (escapadaActual == numEscapadas)
        document.getElementById('irEscapadaSig').innerHTML = '<div class="flechaDesactivada"></div>';
      else
        document.getElementById('irEscapadaSig').innerHTML = '<div class="flechaActivada"><a href="javascript:desplazarEscapada(\'izq\');"></a></div>';    

      if (escapadaActual == 1)
        document.getElementById('irEscapadaPrev').innerHTML = '<div class="flechaDesactivada"></div>';
      else
        document.getElementById('irEscapadaPrev').innerHTML = '<div class="flechaActivada"><a href="javascript:desplazarEscapada(\'der\');"></a></div>';    

    }

  }
  
}




//--------------------------------------------------------------------------------------------------------------------------



function iniciar()
{
  ofertaActual = 1;
  document.getElementById('ventanaOferta').scrollLeft = 0;

  escapadaActual = 1;
  document.getElementById('ventanaEscapada').scrollLeft = 0;
}




//-----------------------------------------------------------------------------



function ponerFlash() {
document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="786" height="187" id="homeFlash" align="middle">\n');
document.write('<param name="allowScriptAccess" value="sameDomain">\n');
document.write('<param name="movie" value="flash/cabeceraHome.swf"><param name="quality" value="high"><embed src="flash/cabeceraHome.swf" quality="high" width="786" height="187" name="homeFlash" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">\n');
document.write('</object>\n');
}