// JavaScript Document


var artworks = new Array();
artworks[artworks.length] = new Array('repose_grandmother_mother.jpg', 644, 466,'Repose: Grandmother, Mother, Mother 1961, 1990, 2005<br /> C-print<br /> 2005');
artworks[artworks.length] = new Array('repose_lilac.jpg', 644, 466,'Repose: Lilacs 1978-2005<br /> C-print<br /> 2006');
artworks[artworks.length] = new Array('repose_bath.jpg', 644, 466,'Repose: Bath 1973-2004<br /> C-print<br /> 2004');
artworks[artworks.length] = new Array('repose_checkered.jpg', 644, 466,' Repose: Checkered Dress 1974-2004<br /> C-print<br /> 2004');
artworks[artworks.length] = new Array('repose_checkered_detail1.jpg', 644, 466,' Repose: Checkered Dress 1974-2004 (detail)<br /> C-print<br /> 2004');
artworks[artworks.length] = new Array('repose_checkered_detail3.jpg', 644, 466,' Repose: Checkered Dress 1974-2004 (detail)<br /> C-print<br /> 2004');
artworks[artworks.length] = new Array('repose_red.jpg', 644, 466,'Repose: Red 1979-2005<br /> C-print<br /> 2005');
artworks[artworks.length] = new Array('repose_portrait.jpg', 644, 466,'Repose: Portrait 1979-2005<br /> C-print<br /> 2005');
artworks[artworks.length] = new Array('repose_easter.jpg', 644, 466,'Repose: Easter 1974-2005<br /> C-print<br /> 2005');
artworks[artworks.length] = new Array('repose_snow.jpg', 644, 466,'Repose: Snow 1975-2005<br /> C-print<br /> 2005');




var curr_index = 0;

function showArtwork(thumb_index){
	document.images['picture'].src = 'images/'+artworks[curr_index+thumb_index][0];
	document.images['picture'].width = artworks[curr_index+thumb_index][1];
	document.images['picture'].height = artworks[curr_index+thumb_index][2];
	document.getElementById('description').innerHTML = artworks[curr_index+thumb_index][3];
}

function showNext(){
	curr_index += 4;
	for (var i=0; i<=4; i++){
		if (artworks.length > curr_index+i){
			document.images['thumb_'+i].src = 'thumbs/'+artworks[curr_index+i][0];
			document.images['thumb_'+i].style.display = 'inline';
		} else {
			document.images['thumb_'+i].src = '';
			document.images['thumb_'+i].style.display = 'none';
		}
	}
	document.images['arrow-left'].style.display = 'inline';
	if (curr_index+5 > artworks.length){
		document.images['arrow-right'].style.display = 'none';
	}
}

function showPrevious(){
	curr_index -= 4;
	for (var i=0; i<=4; i++){
		if (artworks[curr_index+i])
		document.images['thumb_'+i].src = 'thumbs/'+artworks[curr_index+i][0];
		document.images['thumb_'+i].style.display = 'inline';
	}
	document.images['arrow-right'].style.display = 'inline';
	if (curr_index == 0){
		document.images['arrow-left'].style.display = 'none';
	}	
}

var loading_images = new Array();
function loadImages(){
	for (var i=0; i<artworks.length; i++){
		loading_images[i] = new Image(artworks[i][1], artworks[i][2]);
		loading_images[i].src = 'images/'+artworks[i][0];
	}
	for (var i=0; i<=8; i++){
		document.images['thumb_'+i].src = 'thumbs/'+artworks[i][0];
	}
	showArtwork(0);
}