/*---------------------------------------------------------
   How Latitudes Become Forms : JavaScript (Calendar)
   February 2003
   
   New Media Initiatives
   -eric williams, brent gustafson
-----------------------------------------------------------*/

var lastHilite = 1;
var curLink = 1;
var workStart = 1;
var swapOn = false;
var thisTime = null;
var lastNav = 1;
	
function changeHilite(div) {
  if (div) {
	document.getElementById("artist" + lastHilite).style.display = "none";
	document.getElementById("artist" + div).style.display = "block";
	lastHilite = div;
  }
}

function changeNav(num) {
	var navPath = "/images/component/label_trans_" + lastNav + "_off.gif";
  	var navObj  = eval("document.section" + lastNav);
  	navObj.src = navPath;
	
	navPath = "/images/component/label_trans_" + num + "_on.gif";
  	navObj  = eval("document.section" + num);
  	navObj.src = navPath;
  	
  	lastNav = num;
}

function changeRelated(num) {
	if (num == 1) {
		var rel = "on";
		var geog = "off";
	}
	else {
		var rel = "off";
		var geog = "on";
	}
		var navPath = "/images/component/label_related_" + rel + ".gif";
  		var navObj  = eval("document.related1");
  		navObj.src = navPath;
  		
  		navPath = "/images/component/label_geog_" + geog + ".gif";
  		navObj  = eval("document.related2");
  		navObj.src = navPath;
}

function updateBack() {
	if (window.innerWidth) {
		theHeight = window.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight) {
		theHeight = document.documentElement.clientHeight;
	}
	else if (document.body) {
		theHeight = document.body.clientHeight;
	}
	if (theHeight < 750) {
		theHeight = 750;
	}
	HowHigh = theHeight + "px";
	document.getElementById("backfill").style.height = HowHigh;
}

//slideshow

function swapOff() {
	clearInterval(thisTime);
   	swapOn = false;
}

function swapAgain() {
	if (swapOn == false) {
    	thisTime = setInterval("imgSwap(1);",10000);
    	swapOn = true;
    }
}
  	
function imgSwap(direction) {
 	if (direction == 1){
		if (curLink >= thumbnail.length-1) {
			curLink = workStart;
		}
		else { 
			curLink++;
		}
	}
	
	if (direction == 0){
		if (curLink <= workStart) {
			curLink = thumbnail.length-1;
		}
		else {
			curLink--;
		}
	}
	
	document.artist.src = "/images/artist/" + thumbnail[curLink];
	document.getElementById('a-label').innerHTML = desc[curLink];
}

function enlarge() {
	var image = "/artists/enlarge.wac?id=" + ids[curLink];

	var myWin = window.open(image, "myWin", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,resizable=yes,width=600,height=400");
	myWin.focus();
}

function showFlash() {
	document.getElementById("flashnav").style.display = "block";
	document.getElementById("chunks").style.display = "none";
}

function hideFlash() {
	document.getElementById("flashnav").style.display = "none";
	document.getElementById("chunks").style.display = "block";
}

function popup(url,width,height) {
	var properties = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,resizable=yes,width=" + width + ",height=" + height;
	var myPopup = window.open(url, "myPopup", properties);
	myPopup.focus();
}