// SITE INIT

function init() {
	BrowserDetect.init();
	if ((BrowserDetect.browser == "Explorer") && (BrowserDetect.OS == "Mac")) {
		alert ('Peter can you see this?');
		location.href= "unsupportedBrowser.html"; 
	} else {
		onLoadTabs();
	}
}


function init2() {
	alert ("init2");
	BrowserDetect.init();
	var b = BrowserDetect.browser.toLowerCase();
	var o = BrowserDetect.OS.toLowerCase();
	var b2 = b.indexOf("explorer");
	var b3 = b.indexOf("msie");
	var o2 = b.indexOf("mac");
	var isExplorer = ((b2!=-1) || (b3!=-1))
	var isMac = (o2!=-1);
	alert ("2, b="+b+", b2="+b2+", b3="+b3+", o="+o+", o2="+o2+", isMac="+isMac+", isExplorer="+isExplorer);
	
	if (isExplorer && isMac) {
		alert ('This browser is unsupported');
		location.href= "unsupportedBrowser.html"; 
	} else {
		onLoadTabs();
	}
}


function traceBrowser() {
	alert ('You are using ' + BrowserDetect.browser + ' ' + BrowserDetect.version + ' on ' + BrowserDetect.OS);
}


//TABS
// This code works with the history-enabled tab control, from http://www.stilbuero.de/
// Note that tab history interferes with zoeView, so we control zoeView's visibility from a callback function

function onSwitchTabs(newTab, oldTab) {
	// show zoeView if the user switches to the 'artworks' tab
	setZoeViewVisible(newTab.id=='artworks');
}

function onLoadTabs() {
	// show zoeView if the URL contains #artworks
	//alert('onLoadTabs')
	if ( location.toString().split('#')[1] == "artworks") {
		switchTab(2);
		setZoeViewVisible(true);
	}
}

function setZoeViewVisible(b) {
	if ( ( z = document.getElementById('zoeView')) ) {
		z.style.display = (b)? '' : 'none'
	}
}

function switchTab(n) {
	$('#MainTabs').triggerTab(n);
	//return false;
}



// INIT TABS
$(document).ready(function() {
	$('#MainTabs').tabs({callback:onSwitchTabs});
});




// INIT BROWSER DETECT
// http://www.quirksmode.org/js/detect.html

var BrowserDetect = {
	init: function () {
		//alert("BrowserDetect");
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]
};