// ________________________________________
// random header images
left_img_count = 6;
right_img_count = 7;
base_path = '';

loadHeaderImg = function (mode) {
	var r = Math.floor(Math.random()*eval(mode + "_img_count")+1);
	document.write('<img src="' + base_path + '/images/header/'+mode+'_'+r+'.jpg">');
}
// ________________________________________
// category navigation images
imageRootPath = "/";

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = imageRootPath + arg;
		return rslt;
	}
}

function changeImages() { 
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = base_path + changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		// ______________________
		// header nav
		nav_home_over = newImage("images/catnav1/nav_home_over.gif");
		nav_whatsnew_over = newImage("images/catnav1/nav_whatsnew_over.gif");
		nav_our_winery_over = newImage("images/catnav1/nav_our_winery_over.gif");
		nav_our_wines_over = newImage("images/catnav1/nav_our_wines_over.gif");
		nav_paris_over = newImage("images/catnav1/nav_paris_over.gif");
		// ______________________
		// footer nav
		nav_purchase_over = newImage("images/catnav2/nav_purchase_over.gif");
		nav_visiting_over = newImage("images/catnav2/nav_visiting_over.gif");
		nav_meet_us_over = newImage("images/catnav2/nav_meet_us_over.gif");
		nav_trade_over = newImage("images/catnav2/nav_trade_over.gif");
		nav_site_map_over = newImage("images/catnav2/nav_site_map_over.gif");
		// ______________________
		preloadFlag = true;
	}
}