function lightbox(win){
	var links=$('a[rel^=lightbox_'+win+']');
	var overlay=$(jQuery('<div id="overlay" style="display: none"></div>'));
	var container=$(jQuery('<div id="lightbox" style="display: none"></div>'));
	var close=$(jQuery('<a href="#close" class="close">&times; Close</a>'));
	var target=$(jQuery('<div class="target"></div>'));
	var prev=$(jQuery('<a href="#prev" class="prev"><img style="border:0px;" src="'+OWN_ADDRESS+'/'+SYS_DIR+'/modules/photo/css/images/lb_left.png"></a>'));
	var next=$(jQuery('<a href="#next" class="next"><img style="border:0px;" src="'+OWN_ADDRESS+'/'+SYS_DIR+'/modules/photo/css/images/lb_right.png"></a>'));
	$('body').append(overlay).append(container);
	container.append(close).append(target).append(prev).append(next);
	container.show().css({'top':Math.round((($(window).height()>window.innerHeight?window.innerHeight:$(window).height())- container.outerHeight())/2)+'px','left':Math.round(($(window).width()- container.outerWidth())/2)+'px','margin-top':0,'margin-left':0}).hide();
	close.click( function( c ) {
		c.preventDefault();
		overlay.add( container ).fadeOut( 'normal' );
	});
	prev.add( next ).click( function( c ) {
		c.preventDefault();
		var current = parseInt( links.filter( '.selected' ).attr( 'lb-position' ),10 );
		var to = $( this ).is( '.prev' ) ? links.eq( current - 1 ) : links.eq( current + 1 );
		if( !to.size() ) {
			to = $( this ).is( '.prev' ) ? links.eq( links.size() - 1 ) : links.eq( 0 );
		}
		if(to.size()){
			to.click();
		}
	});
	links.each( function( index ) {
		var link = $( this );
		link.click( function( c ) {
			c.preventDefault();
			open( link.attr( 'href' ) );
			links.filter( '.selected' ).removeClass( 'selected' );
			link.addClass( 'selected' );
		} );
		link.attr( {'lb-position': index} );
	} );
	var open = function( url ) {
		if( container.is( ':visible' ) ) {
			target.children().fadeOut( 'normal', function() {
			target.children().remove();
			loadImage( url );
			} );
		} else {
			target.children().remove();
			overlay.add( container ).fadeIn( 'normal',function(){
			loadImage( url );
			} );
		}
	}
	var loadImage=function(url){
		if(container.is('.loading')){return;}
		container.addClass('loading');
		var img=new Image();
		img.onload=function(){img.style.display='none';
		var maxWidth=($(window).width()- parseInt(container.css('padding-left'),10)- parseInt(container.css('padding-right'),10))- 100;
		var maxHeight=(($(window).height()>window.innerHeight?window.innerHeight:$(window).height())- parseInt(container.css('padding-top'),10)- parseInt(container.css('padding-bottom'),10))- 100;
		if(img.width>maxWidth||img.height>maxHeight){
			var ratio=img.width/img.height;
			if(img.height>=maxHeight){
				img.height=maxHeight;
				img.width=maxHeight*ratio;
			}else{
				img.width=maxWidth;img.height=maxWidth*ratio;
			}
		}
		container.animate({'width':img.width,'height':img.height,'top':Math.round((($(window).height()>window.innerHeight?window.innerHeight:$(window).height())- img.height- parseInt(container.css('padding-top'),10)- parseInt(container.css('padding-bottom'),10))/2)+'px','left':Math.round(($(window).width()- img.width- parseInt(container.css('padding-left'),10)- parseInt(container.css('padding-right'),10))/2)+'px'},'normal',function(){target.append(img);$(img).fadeIn('normal',function(){container.removeClass('loading');});})}
		img.src=url;
	}
}