function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+'='+escape( value ) +
		( ( expires ) ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()
		( ( path ) ? ';path=' + path : '' ) +
		( ( domain ) ? ';domain=' + domain : '' ) +
		( ( secure ) ? ';secure' : '' );
}

function getCookie(c_name) {
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}
function popup(url,id,w,h) { 
	var l = eval(screen.width/2 - w/2);
	var t = eval(screen.height/2 - h/2);
	var data = "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=0,directories=no,location=no,width="+w+",height="+h+",left="+l+",top="+t;
	window.open(url, id, data);
}
function next_foto(url) {			
	secs = document.forma.secs.options[document.forma.secs.selectedIndex].value;
	if(secs < 3) secs =3;
	setCookie('secs',secs,7,'/');
	t=setTimeout("next('"+url+"')",secs*1000);
}
		
function setSelectedIndex(s, v) {
    for ( var i = 0; i < s.options.length; i++ ) {
        if ( s.options[i].value == v ) {
            s.options[i].selected = true;
            return;
        }
    }
}

function activate_redirect(url) {
	secs = getCookie('secs');
	if(secs == '') {
		setSelectedIndex(document.forma.secs,20);
		t=setTimeout("next('"+url+"')",20*1000);
	} else {
		if(secs < 3) secs =3;
		setSelectedIndex(document.forma.secs,secs);
		t=setTimeout("next('"+url+"')",secs*1000);
	}
}
		
function next(url) {
	window.location = url;
}

var i=0,interval_id,total,default_thumb;
function thumbs(id,total_thumbs,default_thumb) {
	total = total_thumbs-1;
	i = default_thumb - 1;
	interval_id = setInterval ( "changeThumbs(\'"+id+"\')", 500 );
}
function changeThumbs (id) {		
	i++;
	img = document.getElementById(id);	
	if(i>total) {
		img.src = img.src.replace((i)+".jpg", (1)+".jpg");
		i=0;
	} else {
		img.src = img.src.replace((i)+".jpg", (i+1)+".jpg");
	}		
}
function stop_thumbs(id,old) {
	if(old == undefined) old = 1;
	img = document.getElementById(id);
	img.src = img.src.replace((i+1)+".jpg", (old)+".jpg");
	i=0;
	clearInterval(interval_id);
}