function pausecomp(millis) {
	date = new Date();
	var curDate = null;

	do { var curDate = new Date(); } 
	while(curDate-date < millis);
}
function showSubnav(subnav) {
	//alert(subnav);
	if (document.getElementById(subnav)) {
		document.getElementById(nav_flag).style.display = 'none';
		for (i = 0; i < 8; i ++) {
			xnav = 'subnav' + i;
			if (document.getElementById(xnav)) {
				document.getElementById(xnav).style.display = 'none';
			}
		}
		document.getElementById(subnav).style.display = 'block';
	}
}
function hideSubnav(subnav) {
	pausecomp(200);
	//alert(locked);
	if (locked == 0) {
		document.getElementById(subnav).style.display = 'none';
		document.getElementById(nav_flag).style.display = 'block';
	}
}
var locked = 0;
function lockIt() {
	locked = 1;
	//alert(locked);
}
function unlockIt() {
	locked = 0;
	//alert(locked);
}
function showNews(newsItem,newsTotal) {
	var item;
	for (i = 0; i < newsTotal; i ++) {
		item = 'news' + i;
		if (document.getElementById(item)) {
			document.getElementById(item).style.display = 'none';
		}
	}
	if (document.getElementById(newsItem)) {
		document.getElementById(newsItem).style.display = 'block';
	}
}
function showContent(contentItem) {
	for (i = 0; i < contentItems.length; i ++) {
		if (document.getElementById(contentItems[i])) {
			document.getElementById(contentItems[i]).style.display = 'block';
			document.getElementById(contentItems[i]).style.display = 'none';
			if (contentItems[i] == contentItem) {
				document.getElementById(contentItems[i]).style.display = 'block';
			} else {
				document.getElementById(contentItems[i]).style.display = 'none';
			}
		}
	}
}
function switchImage(imgName,imgState) {
	imgSrc = 'http://www.preserveall.com/images/gallery/'+imgName+'_'+imgState+'.gif';
	document.images[imgName].src = imgSrc;
}
function swapImage(imgName,section,area) {
	imgSrc = 'http://www.preserveall.com/images/'+section+'/'+imgName;
	document.images[area].src = imgSrc;
}
var starter = 0;
var imgNumber;
function galleryShow(whichWay) {
	var ender = gallery_images.length - 1;
	//alert(ender);
	starter += whichWay;
	if (starter < 0) {
		starter = ender;
	}
	if (starter > ender) {
		starter = 0;
	}
	//alert(starter);
	whichImg = gallery_images[starter];
	imgSrc = 'http://www.preserveall.com/images/gallery/'+whichImg;
	document.images['gallery_image'].src = imgSrc;
}
function showLots(whichLot) {
	var theLots = new Array('lots1','lots2','lots3','lots4');
	for (i = 0; i < theLots.length; i ++) {
		theLot = theLots[i];
		if (document.getElementById(theLot)) {
			document.getElementById(theLot).style.display = 'none';
			document.getElementById(theLot).style.visibility = 'hidden';
		}
	}
	if (document.getElementById(whichLot)) {
		var topPosition = (document.getElementById('subheader1').offsetHeight + document.getElementById('subheader2').offsetHeight + document.getElementById('subheader3').offsetHeight) + 'px';
		//alert(topPosition);
		document.getElementById(whichLot).style.top = topPosition;
		document.getElementById(whichLot).style.display = 'block';
		document.getElementById(whichLot).style.visibility = 'visible';
	}
}