var imagesLoaded=false;
var navReady=false;
function loadTopNav(){
	aboutImg=newImage("/images/n_about_dn.gif");
	regionsImg=newImage("/images/n_regions_dn.gif");
	winesImg=newImage("/images/n_wines_dn.gif");
	styleImg=newImage("/images/n_style_dn.gif");
	sonomaImg=newImage("/images/n_sonoma_dn.gif");
	cartImg=newImage("/images/n_cart_dn.gif");
	accountImg=newImage("/images/n_account_dn.gif");
	contactImg=newImage("/images/n_contact_dn.gif");
	
	imagesLoaded=true;
}

function newImage(url){
	nImage=new Image();
	nImage.src=url;
	return nImage;
}

function swap(imgNum,mDn){
	if(!navReady) navReady=mDn;
	if(!imagesLoaded||!navReady) return false;
	img=document.images[imgNum];
	alt=eval(imgNum+"Img");
	holder=img.src;
	img.src=alt.src;
	alt.src=holder;
}

var newWin="";
function openWindow(url){
	newWin=window.open(url,"external","width=600,height=420,resizable,scrollbars,toolbar");
	if(navigator.userAgent.indexOf("MSIE 5")+1 || navigator.userAgent.indexOf("MSIE 6")+1 || navigator.userAgent.indexOf("Netscape")+1){
		newWin.focus();
	}
}

function openWine(url){
	newWin=window.open(url,"WineSheet","width=464,height=550,innerWidth=394,innerHeight=550,left=100,top=25,pageX=100,pageY=25,scrollbars");
	if(navigator.userAgent.indexOf("MSIE 5")+1 || navigator.userAgent.indexOf("MSIE 6")+1 || navigator.userAgent.indexOf("Netscape")+1){
		newWin.focus();
	}
}

function openPDF(pdfName){
	newWin=window.open("sheets/"+pdfName+".pdf","TechSheet","width=464,height=550,left=200,top=25,pageX=200,pageY=25,resizable,scrollbars,toolbars");
	if(navigator.userAgent.indexOf("MSIE 5")+1 || navigator.userAgent.indexOf("MSIE 6")+1 || navigator.userAgent.indexOf("Netscape")+1){
		newWin.focus();
	}
}

function openTour(){
	newWin=window.open("tour.html","Winmaking","width=251,height=431");
	if(navigator.userAgent.indexOf("MSIE 5")+1 || navigator.userAgent.indexOf("MSIE 6")+1 || navigator.userAgent.indexOf("Netscape")+1){
		newWin.focus();
	}
}

window.onload=function(){
	loadTopNav();
	beginPage();
}