var curpage=0;

var timer=null;

var imagesWidth=null;

var imagesHeight=null;

var slideHeight=0;

var stopped = false;

var numpages = 0;

var arraySlides;

var obj;



function test()

{}





function fnc_next()

{

	if (curpage > numpages-1)

	{

		curpage=0;

	}



	obj=arraySlides[curpage];

	obj.style.visibility = "hidden";

	obj.style.display = "none";

	obj.style.height = "1px";



	curpage++;



	if (curpage>numpages - 1) 

	{

		curpage = 0;

	}



	obj=arraySlides[curpage];

	obj.style.visibility = "visible";

	obj.style.display = "block";

	obj.style.height = slideHeight + "px";



	if(!stopped)

	{

		clearTimeout(timer);

		start();

	}



}



function fnc_prev()

{

	if (curpage>numpages)	curpage = 0;



	//Obtengo la nota Actual

	obj= arraySlides[curpage];



	if(obj)

	{

		obj.style.visibility = "hidden";

		obj.style.display = "none";

		obj.style.height = "1px";

	}

	

	curpage--;

	if (curpage<0)	curpage = numpages-1;



	//Obtengo la nota Anterior

	obj=arraySlides[curpage];

	if(obj)

	{

		obj.style.visibility = "visible";

		obj.style.display = "block";

		obj.style.height = slideHeight + "px";

	}



	if(!stopped)

	{

		clearTimeout(timer);

		start();

	}

}



function stopstart(img) 

{

	if (stopped) {

		img.src="images/"+img.id+".gif";

		img.onmouseover="sgppnov(this);";

		img.onmouseout="sgppnou(this);";

		start();

	} else {

		img.src="images/"+img.id+"_over.gif";

		img.onmouseover="";

		img.onmouseout="";

		stop();

	}

}



function stop() 

{

	if (!(stopped)) 

	{

		clearTimeout(timer);

		stopped=true;

	}

}

function start() 

{

	timer=setTimeout('fnc_next()',10000);

	stopped=false;

}



function firsthideImgs()

{

	arraySlides = document.getElementsByName("rota");



	numpages = arraySlides.length;

	//Oculto cada una de las imagenes

	for (i=0;i <= numpages;i++)

	{

		var obj=arraySlides[i];

		if(obj)

		{

			if(i==0) 

			{

				imagesWidth	 = document.getElementById('imgSlide').width;

				imagesHeight = document.getElementById('imgSlide').height;

			}

			

			slideHeight = imagesHeight + ((muestraTitulo==0)?88:0);

//			slideHeight = imagesHeight;

			obj.style.visibility="hidden";

			obj.style.display = "none";

			obj.style.height = "1px";

			obj.style.overflow ="hidden";

			obj.style.top = "0px";

			obj.style.position = "relative";

			obj.style.border = "0px solid";

			obj.style.zIndex = 1;

		}

	}



	//Ubico la botonera segun el alto de la primer imagen



	//Muestro la primer imagen

	curpage = 0;

	var firstSlide = arraySlides[0];

	if(firstSlide)

	{

		firstSlide.style.visibility = "visible";

		firstSlide.style.display = "block";

		firstSlide.style.height = imagesHeight + "px";

		slideHeight = imagesHeight;

		start();

	}

}





function firsthide()

{

	



	arraySlides = document.getElementsByName("rota");



	numpages = arraySlides.length;



	//Oculto cada una de las imagenes



	for (i=0;i < numpages ;  i ++)

	{

		obj=arraySlides[i];

		if(obj)

		{

			if(i==0) 

			{

				imagesWidth	 = document.getElementById('imgSlide').width;

				imagesHeight = document.getElementById('imgSlide').height;

			}



			slideHeight = imagesHeight + 83;

			obj.style.visibility="hidden";

			obj.style.display = "none";

			obj.style.height = "1px";

			obj.style.overflow ="hidden";

			obj.style.top = "0px";

			obj.style.position = "relative";

			obj.style.border = "0px solid";

			obj.style.zIndex = 1;

		}

	}



	//Ubico la botonera segun el alto de la primer imagen

	if (numpages > 1)

	{

		var botonera=document.getElementById('botoneraSlide');

		if(botonera)

		{

			var top = imagesHeight - 32;

			var left = imagesWidth - 95;

			botonera.style.visibility = "visible";

			botonera.style.display = "block";

			botonera.style.top = top + "px";

			botonera.style.left = left+ "px";

			botonera.style.zIndex = "5";

		}

	}



	//Muestro la primer imagen

	curpage = 0;

	var firstSlide = arraySlides[0];

	if(firstSlide)

	{

		firstSlide.style.visibility = "visible";

		firstSlide.style.display = "block";

		firstSlide.style.height = slideHeight + "px";

		start();

	}

	



}



function sgppnov(img)

{

	img.src='images/'+img.id+'_over.gif';

}

function sgppnou(img)

{

	img.src='images/'+img.id+'.gif';

}