//this highlights the topnav link, which is set in the body tag
var currentpage = "none";
	
	function setPage(pagename){
		if (document.images[currentpage]){
			document.images[currentpage].src = eval(currentpage).src;
		}
			if (pagename != 'none' && document.images[pagename]){
				document.images[pagename].src = eval(pagename+"on").src;
			}
			currentpage = pagename;
		}
		
//this preloads all the images
if (document.images) {
		
		//topnav
		nav_home_on= new Image;
     	nav_home_on.src="images/nav_home_on.gif";  
     	nav_home= new Image;
     	nav_home.src="images/nav_home.gif";
		
		nav_about_on= new Image;
     	nav_about_on.src="images/nav_about_on.gif";  
     	nav_about= new Image;
     	nav_about.src="images/nav_about.gif";
		
		nav_wines_on= new Image;
     	nav_wines_on.src="images/nav_wines_on.gif";  
     	nav_wines= new Image;
     	nav_wines.src="images/nav_wines.gif";
		
		nav_order_on= new Image;
     	nav_order_on.src="images/nav_order_on.gif";  
     	nav_order= new Image;
     	nav_order.src="images/nav_order.gif";
		
		nav_list_on= new Image;
     	nav_list_on.src="images/nav_list_on.gif";  
     	nav_list= new Image;
     	nav_list.src="images/nav_list.gif";
		
		//leftnav - About Us
		ltnav_welcome_on= new Image;
     	ltnav_welcome_on.src="images/ltnav_welcome_on.gif";  
     	ltnav_welcome= new Image;
     	ltnav_welcome.src="images/ltnav_welcome.gif";
		
		ltnav_phil_on= new Image;
     	ltnav_phil_on.src="images/ltnav_philosophy_on.gif";  
     	ltnav_phil= new Image;
     	ltnav_phil.src="images/ltnav_philosophy.gif";
		
		ltnav_winemaker_on= new Image;
     	ltnav_winemaker_on.src="images/ltnav_winemaker_on.gif";  
     	ltnav_winemaker= new Image;
     	ltnav_winemaker.src="images/ltnav_winemaker.gif";
		
		ltnav_vineyards_on= new Image;
     	ltnav_vineyards_on.src="images/ltnav_vineyards_on.gif";  
     	ltnav_vineyards= new Image;
     	ltnav_vineyards.src="images/ltnav_vineyards.gif";
		
		//leftnav - Our Wines
		ltnav_cab_on= new Image;
     	ltnav_cab_on.src="images/ltnav_cabernet_on.gif";  
     	ltnav_cab= new Image;
     	ltnav_cab.src="images/ltnav_cabernet.gif";
		
		ltnav_syrah_on= new Image;
     	ltnav_syrah_on.src="images/ltnav_syrah_on.gif";  
     	ltnav_syrah= new Image;
     	ltnav_syrah.src="images/ltnav_syrah.gif";
		
		ltnav_zinpetsirah_on= new Image;
     	ltnav_zinpetsirah_on.src="images/ltnav_zinpetsirah_on.gif";  
     	ltnav_zinpetsirah= new Image;
     	ltnav_zinpetsirah.src="images/ltnav_zinpetsirah.gif";
		
		ltnav_upcoming_on= new Image;
     	ltnav_upcoming_on.src="images/ltnav_upcoming_on.gif";  
     	ltnav_upcoming= new Image;
     	ltnav_upcoming.src="images/ltnav_upcoming.gif";
		
		ltnav_wherefind_on= new Image;
     	ltnav_wherefind_on.src="images/ltnav_wherefind_on.gif";  
     	ltnav_wherefind= new Image;
     	ltnav_wherefind.src="images/ltnav_wherefind.gif";
		
		ltnav_news_on= new Image;
     	ltnav_news_on.src="images/ltnav_news_on.gif";  
     	ltnav_news= new Image;
     	ltnav_news.src="images/ltnav_news.gif";
		
		ltnav_list_on= new Image;
     	ltnav_list_on.src="images/ltnav_list_on.gif";  
     	ltnav_list= new Image;
     	ltnav_list.src="images/ltnav_list.gif";
  }
  
 //rollover function for single images
 function rollImage(imagename,imageloc){
		if (currentpage != imageloc){
			document.images[imageloc].src = imagename.src;
		}
	}
	
//order popup window
function openAWindow( pageToLoad, winName, width, height, center) {  
	xposition=100; yposition=50;

    if ((parseInt(navigator.appVersion) >= 4 ) && (winName=="undefined")){
    xposition=screen.width-100; yposition=screen.height-50;
    }
    args = "width=" + width + "," 
    + "height=" + height + "," 
    + "location=0," 
    + "menubar=0,"
    + "resizable=0,"
    + "scrollbars=1,"
    + "status=0," 
    + "titlebar=0,"
    + "toolbar=0,"
    + "hotkeys=0,"
    + "screenx=" + xposition + ","  //NN Only
    + "screeny=" + yposition + ","  //NN Only
    + "left=" + xposition + ","     //IE Only
    + "top=" + yposition;           //IE Only

    window.open( pageToLoad,winName,args );
	}
	
//shipping popup window
function openAshipWindow( pageToLoad, winName, width, height, center) {  
	xposition=150; yposition=100;

    if ((parseInt(navigator.appVersion) >= 4 ) && (winName=="undefined")){
    xposition=screen.width-150; yposition=screen.height-100;
    }
    args = "width=" + width + "," 
    + "height=" + height + "," 
    + "location=0," 
    + "menubar=0,"
    + "resizable=0,"
    + "scrollbars=0,"
    + "status=0," 
    + "titlebar=0,"
    + "toolbar=0,"
    + "hotkeys=0,"
    + "screenx=" + xposition + ","  //NN Only
    + "screeny=" + yposition + ","  //NN Only
    + "left=" + xposition + ","     //IE Only
    + "top=" + yposition;           //IE Only

    window.open( pageToLoad,winName,args );
	}