var curpage=0;
var timer=null;
var imagesWidth=null;
var imagesHeight=null;
var slideHeight="248";
var stopped = false;
var numpages = 0;
var arraySlides;
var obj;

var alturaSlider = 900; //permite textos más largos
var botoneraLeft = 530; //posición horizontal de la botonera
var botoneraTop = 540; //posición vertical de la botonera

function fnc_next()
{

	if (curpage <= numpages-1)
	{

		obj=arraySlides[curpage];
		obj.style.visibility = "hidden";
		obj.style.display = "none";
		obj.style.height = "1px";
	
	if(curpage == numpages-1){
	curpage=0;
	}else{
		curpage++;
	}
		obj=arraySlides[curpage];
		obj.style.visibility = "visible";
		obj.style.display = "block";
		obj.style.height = slideHeight + "px";
	
		if(stopped)
		{

			clearTimeout(timer);
		}else{
		start() ;

		}

	}

}

function fnc_prev()
{
	if (curpage>-1){
		if (curpage>numpages)curpage = 0;
	
		obj= arraySlides[curpage];
	
		if(obj)
		{
			obj.style.visibility = "hidden";
			obj.style.display = "none";
			obj.style.height = "1px";
		}
		if(curpage == 0){
	curpage=numpages-1;
	}else{
		curpage--;
	}
	
		obj=arraySlides[curpage];
		if(obj)
		{
			obj.style.visibility = "visible";
			obj.style.display = "block";
			obj.style.height = slideHeight + "px";
		}
	
		if(!stopped)
		{
			clearTimeout(timer);
		    stopstart(document.getElementById("Play"));}
	}
}

function stopstart(img) 
{
	if (stopped) {
		img.src="images/Play2.gif";
		img.border=0;
		start();
	} else {
		img.src="images/Play.gif";
		img.border=0;

		stop();
	}
}

function stop() 
{

	if (!(stopped)) 
	{
		clearTimeout(timer);
		stopped=true;
	}
}
function start() 
{
	timer=setTimeout('fnc_next()',10000);
	stopped=false;
}

function firsthideImgs()
{
	slide1 = document.getElementById("sld0");
slide2 = document.getElementById("sld1");
slide3 = document.getElementById("sld2");
slide4 = document.getElementById("sld3");
slide5 = document.getElementById("sld4");
	arraySlides = Array(slide1,slide2,slide3,slide4,slide5)
	numpages = arraySlides.length;


	for (i=0;i <= numpages;i++)
	{
		var obj=arraySlides[i];
		if(obj)
		{
			if(i==0) 
			{
				im1 = document.getElementById("im0");
            im2 = document.getElementById("im1");
            im3 = document.getElementById("im2");
            im4 = document.getElementById("im3");
            im5 = document.getElementById("im4");
				imagesWidth	 = Array(im1.width,im2.width,im3.width,im4.width,im5.width);
				imagesHeight = Array(im1.height,im2.height,im3.height,im4.height,im5.height);
			}
			
			slideHeight = imagesHeight + ((muestraTitulo==0)?88:0);
			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;
		}
	}

	curpage = 0;
	var firstSlide = arraySlides[0];
	if(firstSlide)
	{
		firstSlide.style.visibility = "visible";
		firstSlide.style.display = "block";
		firstSlide.style.height = imagesHeight + "px";
		slideHeight = imagesHeight;
	}
}


function firsthide()
{

slide1 = document.getElementById("sld0");
slide2 = document.getElementById("sld1");
slide3 = document.getElementById("sld2");
slide4 = document.getElementById("sld3");
slide5 = document.getElementById("sld4");
	arraySlides = Array(slide1,slide2,slide3,slide4,slide5)
	numpages = arraySlides.length;
for (i=0;i < numpages ;  i ++)
	{	

		obj=arraySlides[i];
	if(obj)
{
			if(i==0) 
			{
            var im1 = document.getElementById("im0");
            var im2 = document.getElementById("im1");
            var im3 = document.getElementById("im2");
            var im4 = document.getElementById("im3");
            var im5 = document.getElementById("im4");
				imagesWidth	 = slideHeight;
				imagesHeight = 500;
}

			slideHeight = imagesHeight + alturaSlider;
			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;
		}
	}

	if (numpages > 1)
	{
		var botonera=document.getElementById('botones');
		if(botonera)
		{
			botonera.style.visibility = "visible";
			botonera.style.display = "block";
			botonera.style.zIndex = "5";
		}
	}

	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/botones/'+img.id+'2.gif';
}
function sgppnou(img)
{
	img.src='images/botones/'+img.id+'.gif';
}