// Slide show variables and functions
// This is wppa_slideshow.js version 3.0.6
//

var wppa_slides = new Array();
var wppa_names = new Array();
var wppa_descs = new Array();
var wppa_id = new Array();
var wppa_next_id = new Array();
var wppa_timeout = new Array();
//var wppa_timer = new Array();
var wppa_ss_running = new Array();
var wppa_foreground = new Array();
var wppa_toggle_pending = new Array();
var wppa_busy = new Array();
var wppa_first = new Array();
var wppa_saved_id = new Array();

var wppa_fullvalign_fit = new Array();

var wppa_animation_speed;
var wppa_imgdir;
var wppa_auto_colwidth = false;
var wppa_oldcolw = 0;
var wppa_thumbnail_area_delta;
var wppa_ss_timeout = 2500;
var wppa_fadein_after_fadeout = false;

var wppa_textframe_delta = 0;
var wppa_box_delta = 0;

var wppa_preambule;
var wppa_thumbnail_pitch = new Array();
var wppa_filmstrip_length = new Array();
var wppa_filmstrip_margin = new Array();
var wppa_filmstrip_area_delta = new Array();
var wppa_film_show_glue;

var wppa_is_mini = new Array();

var wppa_slideshow;			// = 'Slideshow' or its translation
var wppa_photo;				// = 'Photo' or its translation
var wppa_of;				// = 'of' or its translation
var wppa_nextphoto;			// = 'Next photo' or its translation
var wppa_prevphoto;			// = 'Previous photo' or its translation
var wppa_nextp;
var wppa_prevp;
var wppa_start = 'Start';	// defaults
var wppa_stop = 'Stop';		//

var wppa_photo_ids = new Array();
var wppa_photo_avg = new Array();
var wppa_photo_myr = new Array();
var wppa_photo_rur = new Array();

var wppa_rating_once = true;

var wppa_username;

var wppa_portrait_only = new Array();
var wppa_in_widget_linkurl = new Array();
var wppa_in_widget_linktitle = new Array();

jQuery(document).ready(function(){
	if (wppa_auto_colwidth) wppa_do_autocol(0);
});

function wppa_store_slideinfo(mocc, id, url, size, name, desc, photoid, avgrat, myrat, rateurl, iwlinkurl, iwlinktitle, iwtimeout) {
	if (!wppa_slides[mocc]) {
		wppa_slides[mocc] = new Array();
		wppa_names[mocc] = new Array();
		wppa_descs[mocc] = new Array();
		wppa_id[mocc] = -1;
		wppa_next_id[mocc] = 0;
		if (parseInt(iwtimeout) > 0) wppa_timeout[mocc] = parseInt(iwtimeout);
		else wppa_timeout[mocc] = wppa_ss_timeout;
		wppa_ss_running[mocc] = 0;
		wppa_toggle_pending[mocc] = false;
		wppa_foreground[mocc] = 0;
		wppa_busy[mocc] = false;
		wppa_first[mocc] = true;
		wppa_fullvalign_fit[mocc] = false;
		wppa_photo_ids[mocc] = new Array();
		wppa_photo_avg[mocc] = new Array();
		wppa_photo_myr[mocc] = new Array();
		wppa_photo_rur[mocc] = new Array();
		wppa_portrait_only[mocc] = false;
		wppa_in_widget_linkurl[mocc] = new Array(); // iwlinkurl;
		wppa_in_widget_linktitle[mocc] = new Array(); // iwlinktitle;
	}
    wppa_slides[mocc][id] = ' src="' + url + '" alt="' + name + '" class="theimg big" ' + ' style="' + size + '; display:block;">';
    wppa_names[mocc][id] = name;
    wppa_descs[mocc][id] = desc;
	wppa_photo_ids[mocc][id] = photoid;		// reqd for rating
	wppa_photo_avg[mocc][id] = avgrat;		// avg ratig value
	wppa_photo_myr[mocc][id] = myrat;		// my rating
	wppa_photo_rur[mocc][id] = rateurl;		// url that performs the vote and returns to the page
	wppa_in_widget_linkurl[mocc][id] = iwlinkurl;
	wppa_in_widget_linktitle[mocc][id] = iwlinktitle;
}

function wppa_next_slide(mocc) {
	var fg = wppa_foreground[mocc];
	var bg = 1 - fg;
//	var id = wppa_id[mocc];
	// stop in progress??
	if (wppa_ss_running[mocc] == -1) { 
		wppa_ss_running[mocc] = 0;
		wppa_set_rating_display(mocc); // Update after all
		return;
	}
	// Find index of next slide if in auto mode and not stop in progress
	if (wppa_ss_running[mocc] == 1) {
		wppa_next_id[mocc] = wppa_id[mocc] + 1;
		if (wppa_next_id[mocc] == wppa_slides[mocc].length) wppa_next_id[mocc] = 0;
	}
    // first:
    if (wppa_first[mocc]) {
	    if (wppa_id[mocc] != -1) {
			if (wppa_in_widget_linkurl[mocc][wppa_id[mocc]] != '') jQuery("#theslide0-"+mocc).html('<a href="'+wppa_in_widget_linkurl[mocc][wppa_id[mocc]]+'" title="'+wppa_in_widget_linktitle[mocc][wppa_id[mocc]]+'"><img id="theimg0-'+mocc+'" '+wppa_slides[mocc][wppa_id[mocc]]+'</a>');
			else jQuery("#theslide0-"+mocc).html('<img id="theimg0-'+mocc+'" '+wppa_slides[mocc][wppa_id[mocc]]);
			jQuery("#theimg0-"+mocc).hide();
			jQuery("#theslide0-"+mocc).css('zIndex','901');
		}
		if (wppa_in_widget_linkurl[mocc][wppa_next_id[mocc]] != '') {
			jQuery("#theslide1-"+mocc).html('<a href="'+wppa_in_widget_linkurl[mocc][wppa_next_id[mocc]]+'" title="'+wppa_in_widget_linktitle[mocc][wppa_next_id[mocc]]+'"><img id="theimg1-'+mocc+'" '+wppa_slides[mocc][wppa_next_id[mocc]]+'</a>');
		}
		else {
			jQuery("#theslide1-"+mocc).html('<img id="theimg1-'+mocc+'" '+wppa_slides[mocc][wppa_next_id[mocc]]);
		}
		jQuery("#theimg1-"+mocc).hide();	      
		jQuery("#theslide1-"+mocc).css('zIndex','900');
	
		wppa_load_spinner(mocc);
	    
		jQuery("#imagedesc-"+mocc).html('&nbsp;'+wppa_descs[mocc][wppa_id[mocc]]+'&nbsp;');
		jQuery("#imagetitle-"+mocc).html('&nbsp;'+wppa_names[mocc][wppa_id[mocc]]+'&nbsp;');
    }
    // end first
    else {
    	// load next img (backg)
		if (wppa_in_widget_linkurl[mocc][wppa_next_id[mocc]] != '') jQuery("#theslide"+bg+"-"+mocc).html('<a href="'+wppa_in_widget_linkurl[mocc][wppa_next_id[mocc]]+'" title="'+wppa_in_widget_linktitle[mocc][wppa_next_id[mocc]]+'"><img id="theimg'+bg+'-'+mocc+'" '+wppa_slides[mocc][wppa_next_id[mocc]]+'</a>');
		else jQuery("#theslide"+bg+"-"+mocc).html('<img id="theimg'+bg+'-'+mocc+'" '+wppa_slides[mocc][wppa_next_id[mocc]]);
		jQuery("#theslide"+bg+"-"+mocc).css('zIndex', '900');
		jQuery("#theslide"+fg+"-"+mocc).css('zIndex', '901');
		jQuery("#theimg"+bg+"-"+mocc).hide();
    }
	wppa_first[mocc] = false;
	
	// See if the filmstrip needs wrap around before shifting to the right location
	wppa_check_rewind(mocc);

    // Next is now current
    wppa_id[mocc] = wppa_next_id[mocc];
	if (wppa_auto_colwidth) wppa_do_autocol(mocc);

	setTimeout('wppa_fade('+mocc+')', 10);
}

function wppa_fade(mocc) {
	var fg, bg;	

	fg = wppa_foreground[mocc];
	bg = 1 - fg;
	// Wait for load complete
	if (!document.getElementById('theimg'+bg+"-"+mocc).complete) {
		setTimeout('wppa_fade('+mocc+')', 100);	// Try again after 100 ms
		return;
	}
	// Remove spinner
	wppa_unload_spinner(mocc);
	// Do autocol if required
	if (wppa_auto_colwidth) wppa_do_autocol(mocc);
	// Hide subtitles
	if (wppa_ss_running[mocc] != -1) {	// not stop in progress
		jQuery("#imagedesc-"+mocc).html('&nbsp;&nbsp;');
		jQuery("#imagetitle-"+mocc).html('&nbsp;&nbsp;');	
	}
	// change foreground
	wppa_foreground[mocc] = 1 - wppa_foreground[mocc];
	fg = wppa_foreground[mocc];
	bg = 1 - fg;
	jQuery("#theslide"+bg+"-"+mocc).css('zIndex', '900');
	jQuery("#theslide"+fg+"-"+mocc).css('zIndex', '901');
	setTimeout('wppa_fade_fade('+mocc+')', 10);
}

function wppa_fade_fade(mocc) {
	var fg;
	var bg;
	fg = wppa_foreground[mocc];
	bg = 1 - fg;

	jQuery("#theimg"+bg+"-"+mocc).fadeOut(wppa_animation_speed); 					// Req'd for change in portrait/landscape vv

	// Fadein new image
	if (wppa_fadein_after_fadeout) {
		jQuery("#theimg"+fg+"-"+mocc).delay(wppa_animation_speed).fadeIn(wppa_animation_speed, wppa_after_fade(mocc)); 
	}
	else {
		jQuery("#theimg"+fg+"-"+mocc).fadeIn(wppa_animation_speed, wppa_after_fade(mocc)); 
	}
}
//var once =0;
function wppa_after_fade(mocc) {
	// set height to fit if reqd
	if (wppa_portrait_only[mocc]) {
		h = jQuery('#theimg'+wppa_foreground[mocc]+'-'+mocc).css('height');
		jQuery('#slide_frame-'+mocc).css('height', parseInt(h)+'px');
	}
	else if (wppa_fullvalign_fit[mocc]) {
		h = jQuery('#theimg'+wppa_foreground[mocc]+'-'+mocc).css('height');
		if (h != 'auto') {
			jQuery('#slide_frame-'+mocc).css('height', parseInt(h)+'px');
		}
		jQuery('#slide_frame-'+mocc).css('minHeight', '0px');
	}

	// Display counter and arrow texts
	if (document.getElementById('counter-'+mocc)) {
		if (wppa_is_mini[mocc]) {
			document.getElementById('counter-'+mocc).innerHTML = (wppa_id[mocc]+1)+' / '+wppa_slides[mocc].length;
			document.getElementById('prev-arrow-'+mocc).innerHTML = wppa_prevp;
			document.getElementById('next-arrow-'+mocc).innerHTML = wppa_nextp;
		}
		else {
			document.getElementById('counter-'+mocc).innerHTML = wppa_photo+' '+(wppa_id[mocc]+1)+' '+wppa_of+' '+wppa_slides[mocc].length;
			document.getElementById('prev-arrow-'+mocc).innerHTML = wppa_prevphoto;
			document.getElementById('next-arrow-'+mocc).innerHTML = wppa_nextphoto;
		}
	}
	
	// Restore subtitles
	if (document.getElementById('imagedesc-'+mocc)) document.getElementById('imagedesc-'+mocc).innerHTML = '&nbsp;' + wppa_descs[mocc][wppa_id[mocc]] + '&nbsp;';
	if (document.getElementById('imagetitle-'+mocc)) document.getElementById('imagetitle-'+mocc).innerHTML = '&nbsp;' + wppa_names[mocc][wppa_id[mocc]] + '&nbsp;';
	
	// Update breadcrumb
	if (document.getElementById('bc-pname-'+mocc)) document.getElementById('bc-pname-'+mocc).innerHTML = wppa_names[mocc][wppa_id[mocc]];

	// Adjust filmstrip
	var xoffset;
//if (!once) alert(wppa_filmstrip_length[mocc]+","+wppa_id[mocc]+","+wppa_preambule+","+wppa_thumbnail_pitch+","+wppa_filmstrip_margin);
//once=1;
	xoffset = wppa_filmstrip_length[mocc] / 2 - (wppa_id[mocc] + 0.5 + wppa_preambule) * wppa_thumbnail_pitch[mocc] - wppa_filmstrip_margin[mocc];
	if (wppa_film_show_glue) xoffset -= (wppa_filmstrip_margin[mocc] * 2 + 2);	// Glue
	jQuery('#wppa-filmstrip-'+mocc).animate({marginLeft: xoffset+'px'});
	
	// Set rating mechanism
	wppa_set_rating_display(mocc);
	
	// Wait for next slide
	if (wppa_ss_running[mocc] == 1) {
		setTimeout('wppa_next_slide('+mocc+')', wppa_timeout[mocc]); 
	}
	else {
		jQuery(".arrow-"+mocc).stop().fadeTo(400,1);
		wppa_busy[mocc] = false;
		if (wppa_toggle_pending[mocc]) {
			wppa_toggle_pending[mocc] = false;
			wppa_startstop(mocc, -1);
		}
	}
}
 
function wppa_next(mocc) {
	if (wppa_busy[mocc]) return;
	wppa_busy[mocc] = true;
	wppa_next_id[mocc] = wppa_id[mocc] + 1;
	if (wppa_next_id[mocc] == wppa_slides[mocc].length) wppa_next_id[mocc] = 0;
	jQuery(".arrow-"+mocc).stop().fadeTo(400,0.2);
	wppa_next_slide(mocc);
}

function wppa_prev(mocc) {
	if (wppa_busy[mocc]) return;
	wppa_busy[mocc] = true;
	wppa_next_id[mocc] = wppa_id[mocc] - 1;
	if (wppa_next_id[mocc] < 0) wppa_next_id[mocc] = wppa_slides[mocc].length - 1;
	jQuery(".arrow-"+mocc).stop().fadeTo(400,0.2);
	wppa_next_slide(mocc);
}

function wppa_goto(mocc, idx) {
	if (wppa_ss_running[mocc] != 0) {
//		if (wppa_ss_running[mocc] == 1) wppa_startstop(mocc, idx);	// If you click on a filmthumb the show stops
		return;
	}
	if (wppa_busy[mocc]) return;
	wppa_busy[mocc] = true;
	wppa_next_id[mocc] = idx;
	jQuery(".arrow-"+mocc).stop().fadeTo(400,0.2);
	wppa_next_slide(mocc);
}

function wppa_startstop(mocc, idx) {
	if (idx != -1) {	// Init still
//		jQuery('#startstop-'+mocc).html('Start'+' '+wppa_slideshow);
		if (document.getElementById('startstop-'+mocc)) document.getElementById('startstop-'+mocc).innerHTML=wppa_start+' '+wppa_slideshow; 
		if (document.getElementById('speed0-'+mocc)) document.getElementById('speed0-'+mocc).style.visibility="hidden";
		if (document.getElementById('speed1-'+mocc)) document.getElementById('speed1-'+mocc).style.visibility="hidden";
		wppa_next_id[mocc] = idx;
		wppa_id[mocc] = idx;
		wppa_next_slide(mocc);
	}
    if (wppa_ss_running[mocc] == 1) { // stop it
		wppa_ss_running[mocc] = -1;	// stop in progress
        document.getElementById('startstop-'+mocc).innerHTML=wppa_start+' '+wppa_slideshow;  
		jQuery('#prev-arrow-'+mocc).css('visibility', 'visible');
		jQuery('#next-arrow-'+mocc).css('visibility', 'visible');
		jQuery('#prev-film-arrow-'+mocc).css('visibility', 'visible');
		jQuery('#next-film-arrow-'+mocc).css('visibility', 'visible');
		jQuery('#p-a-'+mocc).css('visibility', 'visible');
		jQuery('#n-a-'+mocc).css('visibility', 'visible');
		jQuery('#speed0-'+mocc).css('visibility', 'hidden');
		jQuery('#speed1-'+mocc).css('visibility', 'hidden');
		jQuery('#bc-pname-'+mocc).html(wppa_names[mocc][wppa_id[mocc]]);
    }
    else if (idx == -1) {
if (wppa_ss_running[mocc]) return; 	// already running or stop in progresss
if (wppa_busy[mocc]) {				// Currently performing a goto
	wppa_toggle_pending[mocc] = true;
	return;		// one thing at a time
}
        wppa_ss_running[mocc] = 1;
        wppa_next_slide(mocc);
		if (document.getElementById('startstop-'+mocc)) {
			document.getElementById('startstop-'+mocc).innerHTML=wppa_stop;
}
			jQuery('#prev-arrow-'+mocc).css('visibility', 'hidden');
			jQuery('#next-arrow-'+mocc).css('visibility', 'hidden');
			jQuery('#prev-film-arrow-'+mocc).css('visibility', 'hidden');
			jQuery('#next-film-arrow-'+mocc).css('visibility', 'hidden');
			jQuery('#p-a-'+mocc).css('visibility', 'hidden');
			jQuery('#n-a-'+mocc).css('visibility', 'hidden');
			jQuery('#speed0-'+mocc).css('visibility', 'visible');
			jQuery('#speed1-'+mocc).css('visibility', 'visible');
//		}
		jQuery('#bc-pname-'+mocc).html(wppa_slideshow);
    }
	wppa_set_rating_display(mocc);
}
    
function wppa_speed(mocc, faster) {
    if (faster) {
        if (wppa_timeout[mocc] > 500) wppa_timeout[mocc] /= 1.5;
    }
    else {
        if (wppa_timeout[mocc] < 60000) wppa_timeout[mocc] *= 1.5;
    }
}

function wppa_load_spinner(mocc) {
	var top;
	var lft;
	var elm;
	
	elm = document.getElementById('slide_frame-'+mocc);
	top = parseInt(elm.style.height);
	if (top > 0) {
		top = parseInt(parseInt(top/2) - 4)+'px';
	}
	else {
		top = parseInt(elm.style.minHeight);
		if (top > 0) {
			top = parseInt(parseInt(top/2) - 4)+'px';
		}
		else top = '150px';
	}
	lft = parseInt((parseInt(elm.style.width) / 2) - 4)+'px';

	document.getElementById('spinner-'+mocc).style.top = top;
	document.getElementById('spinner-'+mocc).style.left = lft;
	document.getElementById('spinner-'+mocc).innerHTML = '<img id="spinnerimg-'+mocc+'" src="'+wppa_imgdir+'wpspin.gif" />';
}

function wppa_unload_spinner(mocc) {
	if (document.getElementById('spinnerimg-'+mocc)) {
		document.getElementById('spinnerimg-'+mocc).src = '';
		document.getElementById('spinner-'+mocc).innerHTML = '';
	}
}

function wppa_do_autocol(mocc) {
	var w;
	var h;
	if (!wppa_auto_colwidth) return;
	
	w = document.getElementById('wppa-container-1').parentNode.clientWidth;
//alert('w='+w);	
	jQuery(".wppa-container").css('width',w);
	jQuery(".theimg").css('width',w);
	jQuery(".thumbnail-area").css('width',w - wppa_thumbnail_area_delta);
	wppa_filmstrip_length[mocc] = w - wppa_filmstrip_area_delta[mocc];
	jQuery(".filmwindow").css('width',wppa_filmstrip_length[mocc]);

	jQuery(".wppa-text-frame").css('width',w - wppa_textframe_delta);
	jQuery(".wppa-cover-box").css('width',w - wppa_box_delta);
	
	// See if there are slideframe images
	h = 0;
	if (mocc > 0) {
		if (document.getElementById('theimg0-'+mocc)) {
			h = document.getElementById('theimg0-'+mocc).clientHeight;
		}
		if (h == 0) {
			if (document.getElementById('theimg1-'+mocc)) {
				h = document.getElementById('theimg1-'+mocc).clientHeight;
			}
		}
		// Set slideframe height to the height found (if any)
		if (h > 0) {
			jQuery("#slide_frame-"+mocc).css('height',h);
		}
		else {		// Try again later
			setTimeout('wppa_do_autocol('+mocc+')', wppa_animation_speed);
		}
	}
}

function wppa_check_rewind(mocc) {
	var n_images;
	var n_diff;
	var l_substrate;
	var x_marg;
	
	if (!document.getElementById('wppa-filmstrip-'+mocc)) return; // There is no filmstrip
	
	n_diff = Math.abs(wppa_id[mocc] - wppa_next_id[mocc]);
	if (n_diff < 2) return;
	
	var n_images = wppa_filmstrip_length[mocc] / wppa_thumbnail_pitch[mocc];
	
	if (n_diff >= ((n_images + 1) / 2)) {
		l_substrate = wppa_thumbnail_pitch[mocc] * wppa_slides[mocc].length;
		if (wppa_film_show_glue) l_substrate += (2 + 2 * wppa_filmstrip_margin[mocc]);
		
		x_marg = parseInt(jQuery('#wppa-filmstrip-'+mocc).css('margin-left'));

		if (wppa_next_id[mocc] > wppa_id[mocc]) {
			x_marg -= l_substrate;
		}
		else {
			x_marg += l_substrate;
		}

		jQuery('#wppa-filmstrip-'+mocc).css('margin-left', x_marg+'px');
	}
}

function wppa_set_rating_display(mocc) {
var idx, avg, myr;
	if (!document.getElementById('wppa-rating-'+mocc)) return; 	// No rating bar
	if (wppa_ss_running[mocc] == -1) return; 					// Stop in progress, do nothing now
	
	avg = wppa_photo_avg[mocc][wppa_id[mocc]];
	wppa_set_rd(mocc, avg, '#wppa-avg-');
	
	if (wppa_username != '') {									// user logged in
		myr = wppa_photo_myr[mocc][wppa_id[mocc]];
		wppa_set_rd(mocc, myr, '#wppa-rate-');
	}
}
		
function wppa_set_rd(mocc, avg, where) {
		
	var idx1 = parseInt(avg);
	var idx2 = idx1 + 1;
	var frac = avg - idx1;
	var opac = 0.2 + frac * 0.8;
	var ilow = 1;
	var ihigh = 5;
	
	for (idx=ilow;idx<=ihigh;idx++) {
		if (idx <= idx1) {
			jQuery(where+mocc+'-'+idx).stop().fadeTo(100, 1.0);
		}
		else if (idx == idx2) {
			jQuery(where+mocc+'-'+idx).stop().fadeTo(100, opac); 
		}
		else {
			jQuery(where+mocc+'-'+idx).stop().fadeTo(100, 0.2);
		}
	}
}

var wppa_vote_in_progress = false;

function wppa_follow_me(mocc, idx) {
	if (wppa_ss_running[mocc] == 1) return;				// Do not rate on a running show, what only works properly in Firefox								

	if (wppa_photo_myr[mocc][wppa_id[mocc]] != 0 && wppa_rating_once) return;	// Already rated
	if (wppa_vote_in_progress) return;
	wppa_set_rd(mocc, idx, '#wppa-rate-');
}
function wppa_leave_me(mocc, idx) {
	if (wppa_ss_running[mocc] == 1) return;				// Do not rate on a running show, what only works properly in Firefox	

	if (wppa_photo_myr[mocc][wppa_id[mocc]] != 0 && wppa_rating_once) return;	// Already rated
	if (wppa_vote_in_progress) return;
	wppa_set_rd(mocc, wppa_photo_myr[mocc][wppa_id[mocc]], '#wppa-rate-');
}

function wppa_rate_it(mocc, value) {
	var photoid = wppa_photo_ids[mocc][wppa_id[mocc]];
	var oldval = wppa_photo_myr[mocc][wppa_id[mocc]];
	var url = wppa_photo_rur[mocc][wppa_id[mocc]]+value;
	
	if (document.getElementById('wppa_nonce')) url += '&wppa_nonce='+document.getElementById('wppa_nonce').value;

	if (oldval != 0 && wppa_rating_once) return;							// Already rated, and once allowed only
//	if (wppa_ss_running[mocc] == 1) wppa_startstop(mocc, -1);				// Stop the show, this is NOT a showstopper, however....
																			// this only works in Firefox, so we disable voting while show is running:
	if (wppa_ss_running[mocc] == 1) return;										
																			
	wppa_vote_in_progress = true;											// Keeps opacity as it is now
	
	document.getElementById('wppa-rate-'+mocc+'-'+value).src = wppa_imgdir+'tick.png';				// Set icon
	jQuery('#wppa-rate-'+mocc+'-'+value).stop().fadeTo(100, 1.0);
	
	setTimeout('wppa_go("'+url+'")', 200);	// 200 ms to display tick
}

function wppa_go(url) {
	document.location = url;	// Go!
}