function selectPhoto() {

	if (document.getElementById('selphoto').options[document.getElementById('selphoto').selectedIndex].value == (aFotos.length + 1)) {

		document.location.href = masgalerias+'?volver='+vvolver;

	} else {

		changePhoto(parseInt(document.getElementById('selphoto').options[document.getElementById('selphoto').selectedIndex].value));

	}
}

function changePhoto(c) {

	foto = c;
	n = foto - 1;
	mas_gal = 1;

	var yThumb = ((n - (n%nthumbs) )/ nthumbs);

	if (yThumb != bThumbs) {

		if  ( yThumb  == "0" ) { 

			showThumb(1); 

		} else {

			if ( yThumb >= "1" ) { 

				showThumb((yThumb * nthumbs + 1)); 

			}
		}

		bThumbs = yThumb;
	}


	document.getElementById('image').innerHTML = aFotos[n]['imagen'];
	document.getElementById('derechos').innerHTML = aFotos[n]['derechos'];
	document.getElementById('tituloFoto').innerHTML = aFotos[n]['titulo'];
	document.getElementById('fotResumen').innerHTML = aFotos[n]['resumen'];

	fot_id = aFotos[n]['fot_id'];
	bprint = '<img src="'+dir_img+'/ico_imprimir.gif" alt="'+imprimir+'" /><a href="#" onclick="MM_openBrWindow(\'imprime_gal.php?lg='+linguagem+'&titlep='+titleP+'&fot_id='+fot_id+'\',\'\',\'scrollbars=yes, width=710, height=600\')" class="link">'+imprimir+'</a>';
	document.getElementById('imprimir').innerHTML = bprint;

	if (foto == aFotos.length) {

		next = 1;
		mas_gal = 0;

	} else {

		next = foto + 1;

	}

	if (sshow == 0) {

		sldshow = '<div class="b01">Slideshow </div><div class="b02"><a href="javascript:slideShow();"><img src="'+dir_img+'/play.gif" alt="Play" onclick="sshow = 1;"/></a></div>';

	} else {

		sldshow = '<div class="b01">Slideshow </div><div class="b02"><a href="javascript:slideShow();"><img src="'+dir_img+'/stop.gif" alt="Stop" onclick="sshow = 0;"/></a></div>';

	}

	select_box_foto = '<select name="selphoto" id="selphoto" onchange="selectPhoto();" class="num">';

	for (i=1;i<=(aFotos.length + 1);i++) {

		select_box_foto = select_box_foto + '<option value="'+i+'"';

		if (i == foto) {

			select_box_foto = select_box_foto + ' selected'

		}
		
		select_box_foto = select_box_foto + '>' + i ;
		
		if (linguagem == 'es')

			select_box_foto += ' de ';

		else  

			select_box_foto += ' of ';
		
		select_box_foto += (aFotos.length + 1) +  '</option>'
	}
	
	select_box_foto = select_box_foto + '</select>';

	document.getElementById('paginado').innerHTML = select_box_foto;
	document.getElementById('slshow').innerHTML = sldshow;
	
	var sldshow;

	if (foto == 1) {

		document.getElementById('ant').innerHTML = '<div class="l" style="width:81px;">&nbsp;</div>';
		document.getElementById('antd').innerHTML = '<div class="l" style="width:81px;">&nbsp;</div>';

	} else {

		previous = foto - 1;
		document.getElementById('ant').innerHTML = '<div class="l"><div class="mas"><a href="javascript:changePhoto('+ previous +')">< '+anterior+'</a></div></div>';
		document.getElementById('antd').innerHTML = '<div class="l"><div class="mas"><a href="javascript:changePhoto('+ previous +')">< '+anterior+'</a></div></div>';

	}

	if(mas_gal !=0) {

		document.getElementById('sig').innerHTML = '<div class="r"><div class="mas"><a href="javascript:changePhoto('+ next +')">'+siguiente+' ></a></div></div>';
		document.getElementById('sigd').innerHTML = '<div class="r"><div class="mas"><a href="javascript:changePhoto('+ next +')">'+siguiente+' ></a></div></div>';

	} else {

		document.getElementById('sig').innerHTML = '<div class="r"><div class="mas"><a href="'+masgalerias+'?volver='+vvolver+'">'+siguiente+' ></a></div></div>';
		document.getElementById('sigd').innerHTML = '<div class="r"><div class="mas"><a href="'+masgalerias+'?volver='+vvolver+'">'+siguiente+' ></div></div>';

	}

	try { 
		if (n>0) {
			estatistica();
			if(typeof terra_stats_regTraffic!="undefined"){
				terra_stats_regTraffic();
			}
		} 
	} catch(e) {}
	
	if (tFot == refreshBanners) {
		try{
			b728_90.document.location.reload();
			b300_250.document.location.reload();
			if (b728_90_bottom) {
				b728_90_bottom.document.location.reload();
			}
		} catch(e){}
		
		tFot = 0;
	}
	tFot++;

}

function showThumb(bthumb) {

	nthumbs = 6;
	pic = ' ';
	mas_thumb = 1;

	if (bthumb < 1) { 

		bthumb = 1; 

	} 

	if ((aFotos.length + 1) >= (bthumb + nthumbs)) { 

		ethumb = (nthumbs + (bthumb - 1)); 

	} else { 

		ethumb = (aFotos.length + 1); 

	} 

	for (i=bthumb;i<=ethumb;i++) {

		if ((i-1)== (aFotos.length )) { 
			
			imgthumb= '<img src="http://www.terra.com/img/'+imgMasFotos+'" height="70" width="70" border=\"0\" /> ';
			pic =  pic + '<a href="'+masgalerias+'?volver='+vvolver+'">'+imgthumb+'</a>';
		
		} else {
			
			nthumb = i -1;
			imgthumb= aFotos[nthumb]['thumb'];
			pic =  pic + '<a href="javascript:changePhoto(' + i + ');">'+imgthumb+'</a>';

		}
	}

	if (bthumb > 1) {
		
		backthumb = bthumb - nthumbs;

		if (backthumb < 0) { 

			bacKthumb = "1"; 

		}

		document.getElementById('thumbleft').innerHTML = '<a href="javascript:showThumb('+ backthumb +')"><img src="'+dir_img+'/default/thumbs_left.gif" width="34" height="90" alt="Anteriores" /></a>';

	} else {

		document.getElementById('thumbleft').innerHTML = '<img src="'+dir_img+'/default/thumbs_left_no.gif" width="34" height="90" alt="" />';

	}

	if (ethumb < (aFotos.length + 1) ) {

		gothumb = bthumb + nthumbs;
		document.getElementById('thumbright').innerHTML = '<a href="javascript:showThumb('+ gothumb +')"><img src="'+dir_img+'/default/thumbs_right.gif" width="34" height="90" alt="Siguientes" /></a>';

	} else {

		document.getElementById('thumbright').innerHTML = '<img src="'+dir_img+'/default/thumbs_right_no.gif" width="34" height="90" alt="" />';

	}

	document.getElementById('pics').innerHTML = pic;
}


function countdown() {

	if(timer > 0)  {

		timer -= 1;
		setTimeout("countdown()",1000);

	} else  {

		if (next <= (aFotos.length + 1)) {

			if (sshow == 1) {

				changePhoto(next);
				slideShow(); 

			}
		}
	}
}

function slideShow() {
	
	if (sshow == 0) {

		sldshow = '<div class="b01">Slideshow </div><div class="b02"><a href="javascript:slideShow();"><img src="'+''+dir_img+'/play.gif" alt="Play" onclick="sshow = 1;"/></a></div>';
		document.getElementById('slshow').innerHTML = sldshow;

	} else {

		sldshow = '<div class="b01">Slideshow </div><div class="b02"><a href="javascript:slideShow();"><img src="'+''+dir_img+'/stop.gif" alt="Stop" onclick="sshow = 0;" /></a></div>';
		document.getElementById('slshow').innerHTML = sldshow;
		timer=5;
		countdown();

	}
}

function nav (event) {
	var t = event.keyCode ? event.keyCode : event.wich ? event.wich : event.charCode;
	if (typeof previous != 'undefined')
	if (t == '37' && previous >0) changePhoto(previous);
	if (t == '39' && next <= (aFotos.length+1)) changePhoto(next);
	 
}