// JavaScript Document
var artImg = ["images/Fisher_CoffeeDrips.jpg",
				"images/Spielman1.jpg",
				"images/Long1.jpg"];
//var invisN = artImg.length;
var picsArt = new Array();
var picArtN;

// this function is for Main Artists page
function setArtists(N,M) {
 	if (document.images) {
	 document.getElementById("right-artists").src = artImg[M];
	}
	invisAll(N);
	var artN = "artists"+M;
	document.getElementById(artN).style.display = "block";
}
function setArtistsI(N,M) {
 	if (document.images) {
	 document.getElementById("right-artists").src = artImg[M];
	}
	invisAll(N);
	var artN = "artists"+M;
	document.getElementById('artists-bio-ind').style.display = "none";
	document.getElementById(artN).style.display = "block";
	document.getElementById('artists-pic-ind').style.display = "none";
}
// this function will change the background color of Artists squares
function setBgr(N,color) {
	var cubeID = "cube-art"+N;
	document.getElementById(cubeID).style.backgroundColor = color;
}

// this function is for all Artists pages, it will make all "artistsX" div elements invisible
function invisAll(N) {
	for (var i=N; i<artImg.length; i++) {
        var di = 'artists'+i;
		dd=document.getElementById(di).style.display="none";
    }
}
function invisTitle() {
	for (var i=0; i<pics.length; i++) {
		var dt = 'title'+i;
		dd2=document.getElementById(dt).style.display="none";
    }
}
// this functions is used to show the same right-side image as was shown before top navigation rollover was initiated
function showPicA(N) {
 if (document.images) {
  document.getElementById("right-artists").src = pics[pic];
  invisAll('1');
//  invisTitle();
  var artN = "artists"+N;
  document.getElementById(artN).style.display = "block";
  var titleOffset = N + 1;
  var titleN = "title"+titleOffset;
  document.getElementById('artists-bio-ind').style.display = "block";
  document.getElementById('artists-pic-ind').style.display = "block";
 }
}
// this function creates slide show
function chgPicA(dir) {
 if (document.images) {
  pic = pic + dir;
  if ( pic > picN) { 
   pic = 0;
  }
  if ( pic < 0) { 
   pic = picN;
  }
  invisTitle();
  document.getElementById("right-artists").src = pics[pic];
  var titleN = "title"+pic;
  document.getElementById(titleN).style.display = "block";
}
}
//
function preLoadPicsA() {
 if (document.images) {
	for (var i=0; i<artImg.length; i++) {
		var  preImg = new Image;
		preImg.src = artImg[i];
	}
	if (pics.length > 0) {
	 for (var i=0; i<pics.length; i++) {
		var  preImg = new Image;
		preImg.src = pics[i];
	 }
	}
 }
}