$(document).ready(function() {	
											   
	// GALLERY //////////////
	$('.btn').hide();
	if ($(".gallery.left a").length > perpage) $('.btn.up').show();
		
	
		var thumbs = document.getElementById('gallery').getElementsByTagName('div');   
		for (i=0;i<thumbs.length;i++) {
			if (thumbs[i].className == 'gallery left') {  
				thumbs[i].getElementsByTagName('a')[0].rel = thumbs[i].getElementsByTagName('a')[0].href;
				thumbs[i].getElementsByTagName('a')[0].href = 'javascript://'; 
			}
		}
	
		$('.gallery.left a').click(function(){				
			var imgAt = $('.gallery.left a').index(this);
			zoom($(this).attr('rel'),$(this).attr('title'),imgAt);
		});
		
		$('#zoom #back').click(function(){
			next('prev',$("#zoom a img").attr('id'));
		});
		$('#zoom #next').click(function(){
			next('next',$("#zoom a img").attr('id'));
		});
	
		setPg('up'); 
	
	
	$('.btn.dn').mouseover(function(){
		$('.btn.dn').css({'background':'url(/img/arrow_left-on.png) no-repeat'});
	});
	$('.btn.dn').mouseout(function(){
		$('.btn.dn').css({'background':'url(/img/arrow_left.png) no-repeat'});
	});
	$('.btn.up').mouseover(function(){
		$('.btn.up').css({'background':'url(/img/arrow_right-on.png) no-repeat'}); 
	});
	$('.btn.up').mouseout(function(){	
		$('.btn.up').css({'background':'url(/img/arrow_right.png) no-repeat'});
	});
	
	// LANGUAGE PREF COOKIE //////////////////////////////	   
	if ($.cookie("lang")) {}
	else $.cookie("lang","en") 
	
	$('#footer a#en').click(function(){
		$.cookie("lang","en");
		window.location.reload();
	});	
	
	$('#footer a#it').click(function(){
		$.cookie("lang","it");
		window.location.reload();
	});	  
	
///////////////////////////////////////////////////////////////////////////	
}); //    End ready()							   
///////////////////////////////////////////////////////////////////////////					
//-------------------------------------------------------------------------	 

function zoom(which,caption,imgAt) {	   
	$("#zoom a img").attr('src',which);
	$("#zoom a img").attr('id',imgAt);  
	if (caption.length>1) {
		$("#zoom #caption").html(caption);
		$("#zoom #caption").show();	
	}  							   
	else {
		$("#zoom #caption").hide();
	}
	var winht = $("body").height();
	var imght = $("#zoom a img").height();	
	if (imght < 1) imght = 424;
	var imgpad = parseInt((winht-imght)/2);	
	//$("#zoom").css({'height':winht+'px'});
	//$("#zoom").css({'margin-bottom':'50px'}); 
	$("#overlay").show();
	$("#zoom").show();			
}  

function next(whichway,imgAt) { 	 
	var wdws = $("#gallery .left a");  
	var wdwImgs = new Array();
	for (wi=0;wi<wdws.length;wi++) {
		wdwImgs.push(wdws[wi].getAttribute('rel'));
	}
	
	if (whichway == 'prev') {										   
		if (imgAt>0) imgAt = parseInt(imgAt)-1;
		else {imgAt = $("#gallery .left a").length-1;}
	}
	else {												
		if (imgAt < $("#gallery .left a").length-1) imgAt = parseInt(imgAt)+1;
		else {imgAt = 0;}

	}						 
	$("#zoom #zoom_a img").remove();									
	$("#zoom #zoom_a").html('<img id="'+imgAt+'" src="'+wdwImgs[imgAt]+'" border="0" alt="Large Image View" title="Click to close" />');
	$("#zoom #zoom_a img").hide();
	$("#zoom #zoom_a img").fadeIn('slow');
	$("#zoom #caption").html($('#gallery .left a:eq('+imgAt+')').attr('title'));
}



// GALLERY PAGINATION //////////////		
var vpage = 0;
var perpage = 200; 
function setPg(dir) {	
	var imgs = jQuery.makeArray( $('.gallery.left') );	  
	for (i=0;i<imgs.length;i++) {
		imgs[i].style.display = 'none';	
	}	
	if (dir == 'dn' && vpage > 0) {
		vpage -= 1;
		$('.btn.up').show();
	}
	else {
		$('.btn.dn').show(); 
	}
	if (vpage == 0) $('.btn.dn').hide();						 
	
	for (j=vpage*perpage;j<(vpage*perpage+perpage);j++) {
		if (j<imgs.length) { 
			imgs[j].style.display = 'block'; 
			var imgtitle = imgs[j].getElementsByTagName('a')[0].title;
			
		} 
		else $('.btn.up').hide();
	}	
	if (dir == 'up' && vpage < imgs.length/perpage-1) vpage += 1;									   
} 



/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};
