var window_list = null;
var mozilla_based_browsers = new Array('Firefox', 'Camino', 'Netscape', 'Mozilla');

function getPopupSize() {
	var mozilla_based = false;
	for (var x=0; x<=mozilla_based_browsers.length; x++) {
		if (BrowserDetect.browser == mozilla_based_browsers[x]) {
			mozilla_based = true;
			break;
		}
	}
	var size = 'width=800,height=545';
	if (mozilla_based == true) {
		size = 'innerHeight=545,innerWidth=800';
	}
	return size
}
function showMicrosites() {
	if (typeof(ms_popup_url_list) != 'undefined') {
		window_list = new Array(ms_popup_url_list.length);
		for (var x=0; x < ms_popup_url_list.length; x++) {
			window_list[x] = window.open(ms_popup_url_list[x],'AlphabetMicrosite'+x,getPopupSize() + ",location=no,menubar=no,resizable=no,scrollbars=no,status=yes,toolbar=no");
		}
		window.setTimeout('checkPopupBlocker()', 2000);
	}
}
function showMicrosite(popup_url) {
	window_list = new Array();
	window_list[0] = window.open(popup_url,'AlphabetPopupMicrosite',getPopupSize() + ",location=no,menubar=no,resizable=no,scrollbars=no,status=yes,toolbar=no");
	window.setTimeout('checkPopupBlocker()', 2000);
	return false;
}
function checkPopupBlocker() {
	for (var x=0; x<window_list.length;x++) {
		if (!window_list[x]) {
			alert('It seems that your browser blocks popup windows.\nPlease allow popup windows for this site.');
			break;
		}
	}
}

// Source: http://www.quirksmode.org/js/detect.html
var BrowserDetect = {
	init: function () {
		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"
		}
	]

};
BrowserDetect.init();