var previous = null;
var previousOld = null;
var previousNew = null;
var previousDelay = 10000;
var previousImage = null;
var previousDebugMouse = false;
var previousDebugMode = false;
var previousTimerThreadHandle = null;

var previousNumRows = 8;
var previousCurrentItem = 0;

var previousUrls = new Array();
var previousWidths = new Array();
var previousHeights = new Array();
var previousTitles = new Array();
var previousDescriptions = new Array();
var previousPrices = new Array();
var previousDates = new Array();

previousUrls[0] = "SnuffBottleWeb.jpg";
previousWidths[0] = "200";
previousHeights[0] = "269";
previousTitles[0] = "Chinese Imperial Snuff Bottle";
previousDescriptions[0] = "Qianlong period, c.1736-1795. Imperial Palace Workshops. Enamel-on-brass with emerald green jadeite stopper. Reign mark of the period. 1 7/8\" h.";
previousPrices[0] = "$146,250";
previousDates[0] = "November 30, -0001";

previousUrls[1] = "McKennyWeb.jpg";
previousWidths[1] = "200";
previousHeights[1] = "307";
previousTitles[1] = "Thomas L. McKenney and James Hall";
previousDescriptions[1] = "History of the Indian Tribes of North America (1855) . In Publisher\'s full brown morocco.";
previousPrices[1] = "$12,500";
previousDates[1] = "November 30, -0001";

previousUrls[2] = "tudoranim.gif";
previousWidths[2] = "200";
previousHeights[2] = "286";
previousTitles[2] = "Tasha Tudor - The Lord's Prayer";
previousDescriptions[2] = "28 Original Watercolor Illustrations From Give Us This Day, The Lord\'s Prayer.";
previousPrices[2] = "$60,000";
previousDates[2] = "October 4, 2007";

previousUrls[3] = "AustrianWeb.jpg";
previousWidths[3] = "200";
previousHeights[3] = "153";
previousTitles[3] = "Austrian, Ben (Am. 1870-1921).";
previousDescriptions[3] = "Genre scene of hen and her twelve chicks and one in a porcelain bowl. Oil on canvas. Signed and dated \"Ben Austrian 1900\" at l.r. Retains partial label \"Austrian...Died at Kempton, Pa. Dec. 1921. First received distinction depicting barnyard subjects, and later landscapes. Studio at Palm Beach, Fla.\" on back. Early 20th century. 20 x 26 in.";
previousPrices[3] = "$37,375";
previousDates[3] = "November 30, -0001";

previousUrls[4] = "BlackamoorsWeb.jpg";
previousWidths[4] = "180";
previousHeights[4] = "199";
previousTitles[4] = "Group of three Venetian gilt and painted wood figures of Blackamoors.";
previousDescriptions[4] = "Having delicately carved  faces. Each turbaned figure wearing foliate-decorated skirts on a shell base. One holding a spear and the other a sword. c.1800. Height of tallest: 20 1/2 in.";
previousPrices[4] = "$15,000";
previousDates[4] = "June 17, 2006";

previousUrls[5] = "BonHeurWeb.jpg";
previousWidths[5] = "125";
previousHeights[5] = "205";
previousTitles[5] = "Chinese Export black and gilt-laquer bonheur-du-jour";
previousDescriptions[5] = "or ladies writing desk. Having a scrolling cresting above a raised back with a pair of oval paneled doors enclosing a fitted interior with long and short drawers with ivory knobs, small cabinet with original mirror, and topped by a cabinet fitted for a pocket watch. Above a detachable lap desk fitted with compartments and drawers. Over the base with a double-hinged top on cabriole legs and paw feet. c.1830. 63\" h x 26\" w x 25\" d.";
previousPrices[5] = "$5,400";
previousDates[5] = "April 22, 2006";

previousUrls[6] = "gobletsweb2.jpg";
previousWidths[6] = "160";
previousHeights[6] = "199";
previousTitles[6] = "Set of six sterling silver water goblets by Schofield, Baltimore.";
previousDescriptions[6] = "Pattern No. 168.  Having hand-chased grapes on vines.  Marked for Schofield, sterling, and 168 all on bottom.  Monogrammed. Height: 6 1/2 in. Total weight: 51 troy ounces.";
previousPrices[6] = "$2,760";
previousDates[6] = "September 9, 2006";

previousUrls[7] = "frain.jpg";
previousWidths[7] = "400";
previousHeights[7] = "333";
previousTitles[7] = "Robert, Frain";
previousDescriptions[7] = "Portrait of a Boy with his Pony, a Groom and a Spaniel outside a House";
previousPrices[7] = "$4,973";
previousDates[7] = "September 13, 2008";


function initPrevious() {
	previous = document.getElementById("previous");
	previousOld = document.getElementById("previousOld");
	previousNew = document.getElementById("previousNew");
	previousImg = document.getElementById("previousImg");
	previousImgTable = document.getElementById("previousImgTable");
	
	previous.onmousedown = function(evt) { previousDebugMouse = true; }
	previous.onmouseup = function(evt) { previousDebugMouse = false; }
	document.onkeypress = function(evt) {
		evt = evt || window.event;
		var k = evt.keyCode;
		
		//alert(previousDebugMouse);
		if (!previousDebugMode) {
			if (k==27&&previousDebugMouse) {
				previousDebugMode = true;
				clearTimeout(previousTimerThreadHandle);
				previous.style.backgroundColor = "#EDEDED";
				alert("Entering debug mode.");
				return false;
			}
		} else if (previousDebugMode) {
			if (k==27) {
				previousDebugMode = false;
				previous.style.backgroundColor = "#EDEDED";
				alert("Exiting debug mode.");
				changePreviousLoop();
				return false;
			}
			if (k==37) previousCurrentItem = (previousCurrentItem+previousNumRows-1)%previousNumRows;
			if (k==39) previousCurrentItem = (previousCurrentItem+1)%previousNumRows;
			changePrevious(previousCurrentItem);
			return false;
		}
		
		return false;
	}
	if (IE)
		document.onkeydown = function(evt) {
			evt = evt || window.event;
			var k = evt.keyCode;
			if (previousDebugMode) {
				if (k==37) previousCurrentItem = (previousCurrentItem+previousNumRows-1)%previousNumRows;
				if (k==39) previousCurrentItem = (previousCurrentItem+1)%previousNumRows;
				changePrevious(previousCurrentItem);
			}
		}
	
	//previous
	changePreviousLoop();
}

function changePreviousLoop() {
	previousCurrentItem = Math.floor(Math.random()*previousNumRows);
	changePrevious(previousCurrentItem);
	if (!previousDebugMode)
		previousTimerThreadHandle = setTimeout("changePreviousLoop();", previousDelay);
	}

function changePrevious(num) {
	var picScale = previousWidths[num]*200.0/previousHeights[num];
	var picWidth = previousWidths[num]*200.0/previousHeights[num];
	
	var previousData = "<center><br><span style=\"font-size:1.3em;font-weight:bold;\">Previously Sold At Auction</span><br><br>";
	previousData += "<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"height:215px;border:10px solid #EDEDED;\"><tr>";
	previousData += "<td rowspan=\"2\" colspan=\"2\" style=\"height:200px;\">";
	previousData += "<img id=\"previousImage\" src=\"images/previous/" + previousUrls[num] + "\" width=\"" + picWidth + "\" height=\"200\"></td>";
	previousData += "<td style=\"width:15px;height:15px;\"><img src=\"images/shadow-ur.png\" alt=\"\"></td></tr>";
	previousData += "<tr><td style=\"width:15px;\"><img src=\"images/shadow-rs.png\" width=\"15\" height=\"185\" alt=\"\"></td></tr>";
	previousData += "<tr><td style=\"width:15px;\"><img src=\"images/shadow-ll.png\" alt=\"\"></td>";
	previousData += "<td><img src=\"images/shadow-bs.png\" width=\"" + (picWidth-15) + "\" height=\"15\" alt=\"\"></td>";
	previousData += "<td><img src=\"images/shadow-lr.png\" alt=\"\"></td></tr></table>";
	previousData += "<div style=\"width:352px;\">";
	previousData += "<b>" + previousTitles[num] + "</b>&nbsp;";
	previousData += "<i>" + previousDescriptions[num] + "</i><br>";
	previousData += "<b>Sold for " + previousPrices[num];
	if (previousDates[num]) { previousData += " on " + previousDates[num]; }
	previousData + "</b>";
	previousData += "</div><br></center>";
	previous.innerHTML = previousData;
	
	//previousImage = document.getElementById("previousImage");
	//previousImage.onload = blipPrevious;
	//previousImage.onpropertychange = blipPrevious;
}

function blipPrevious() {
	previousOld.innerHTML = previousNew.innerHTML;
	//alert(previousOld.innerHTML);
}