var photoNum20=photoArray20.length;
var counter20=0;
var currentheight20=photoArray20[counter20][2];
var currentwidth20=photoArray20[counter20][1];
var currentcaption20=photoArray20[counter20][3];
var currentlink20=photoArray20[counter20][4];
var speed20=500;
var transition_busy20=0;

function prevPhoto20(number){
	if(transition_busy20==0){
		if(number==null){
			counter20--
		}
		else{
			counter20=(number-1)
		};
		if(counter20<0){
			counter20=photoNum20-1
		};
		loadPhoto20(counter20);
	}
}

function nextPhoto20(number){
	if(transition_busy20==0){
		if(number==null){
			counter20++
		}
		else{
			counter20=(number-1)
		};
		if(counter20==photoNum20){
			counter20=0
		};
		loadPhoto20(counter20);
	}
}

function loadPhoto20(){
	if(document.getElementById('mooshow_navigation20')){
		navigation20();
	}

	hide_elements20();
	document.getElementById('mooshow_loading20').style.display='inline';
	imgPreloader20=new Image();
	imgPreloader20.onload=function(){
		document.getElementById('mooshow_loading20').style.display='none';
		new Fx.Style('mooshow_image20','opacity').set(0);resize20();
	}
	imgPreloader20.src=photoArray20[counter20][0];
}

function resize20(){
	currentwidth20=document.getElementById('mooshow_image20').width;
	currentheight20=document.getElementById('mooshow_image20').height;
	resizeContatinerHeight20.start(currentheight20,photoArray20[counter20][2]);
	resizeContatinerWidth20.start(currentwidth20,photoArray20[counter20][1]);
}

function hide_elements20(){
	if(document.getElementById('mooshow_caption20')){
		document.getElementById('mooshow_caption20').innerHTML='&nbsp;';
	}
	document.getElementById('mooshow_prev20').style.display='none';
	document.getElementById('mooshow_next20').style.display='none';
}

function switch_photo20(){
	document.getElementById('mooshow_image20').src=photoArray20[counter20][0];
	document.getElementById('mooshow_image20').alt=photoArray20[counter20][3];
	document.getElementById('mooshow_image20').width=photoArray20[counter20][1];
	document.getElementById('mooshow_image20').height=photoArray20[counter20][2];
	document.getElementById('mooshow_image20').name=counter20;
	if(document.getElementById('mooshow_caption20')){
		caption20();
	}
	show_elements20();
}

function show_elements20(){
	fade_in20('mooshow_image20',speed20);
	if(document.getElementById('mooshow_caption20')){
		fade_in20('mooshow_caption20',speed20);
	}
}

function show_nav_overlay20(){
	document.getElementById('mooshow_prev20').style.display='inline';
	document.getElementById('mooshow_next20').style.display='inline';
}

function navigation20(){
	document.getElementById('mooshow_navigation20').innerHTML='';
	var i=0;
	for(i=0;i<photoNum20;i++){
		var content=document.getElementById('mooshow_navigation20').innerHTML;
		if(i==counter20){
			document.getElementById('mooshow_navigation20').innerHTML=content+' <span class="mooshow_selected">'+(i+1)+'</span> ';
		}
		else{
			document.getElementById('mooshow_navigation20').innerHTML=content+' <a href=\'#'+(i+1)+'\' onclick=\"nextPhoto20('+(i+1)+');\">'+(i+1)+'</a> ';
		}
		if(i<photoNum20-1){
			var content=document.getElementById('mooshow_navigation20').innerHTML;document.getElementById('mooshow_navigation20').innerHTML=content;
		}
	}
	if(counter20==photoNum20-1){
		document.getElementById('nextphoto20').href='#1'
	}
	else{
		document.getElementById('nextphoto20').href='#'+(counter20+2)
	};
	if(counter20==0){
		document.getElementById('prevphoto20').href='#'+photoNum20	}
	else{
		document.getElementById('prevphoto20').href='#'+(counter20)
	};
}

function caption20(){
	var caption;
	if(photoArray20[counter20][3]==''){
		caption='&nbsp;'
	}
	else{
		caption=photoArray20[counter20][3]
	}

	document.getElementById('mooshow_caption20').innerHTML=caption;

	// Update
	if (photoArray20[counter20][4]!="") {
		document.getElementById('mooshow_link20').href = photoArray20[counter20][4];
		//document.getElementById('mooshow_link20').rel = "lightbox20";
	}
	else {
		document.getElementById('mooshow_link20').href = "#";
		//document.getElementById('mooshow_link20').rel = "none";
	}
}

window.addEvent('domready', mooInit20);

function mooInit20(){
	transition_busy20=1;
	resizeContatinerHeight20=new Fx.Style($('mooshow_image_container20'),'height',{'duration':speed20,'wait':false,onComplete:function(){switch_photo20();transition_busy20=0;}});
	resizeContatinerWidth20=new Fx.Style($('mooshow_container20'),'width',{'duration':speed20,'wait':false});transition_busy20=0;nextPhoto20(1);
}

function fade_in20(element,speed){
	new Fx.Style(element,'opacity',{'duration':speed,'wait':false,onComplete:function(){show_nav_overlay20();}}).start(0,1);
}