// JavaScript Document
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: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			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.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

// Functions

function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
  return -1;
}

function loadSafariTweek(){
	if (BrowserDetect.browser == "Safari")
	{
		var cssText = '<style type="text/css">\n'
		+  '<!--  \n'
		+ 'body { font: 100%  Geneva, Arial, sans-serif;  }\n'
		+ ' -->\n'
		+ '</style>\n';

		return cssText;
	}
	return '';
}

function loadBulletinLink(className){
	var linkText = '';
	
	if (BrowserDetect.browser == "Explorer" && BrowserDetect.version >= "7" )
	{
		linkText =  '<li ><a href="bulletin.pdf" class="';
	}
	else
	{
		linkText =  '<li ><a href="bulletin.pdf" class="';
	}
	return linkText
	+ className
	+ '">This Week\'s Bulletin</a></li>\n';
}

function loadOldBulletinLink(className){
	var linkText = '';
	
	if (BrowserDetect.browser == "Explorer" && BrowserDetect.version >= "7" )
	{
		linkText =  '<li ><a href="oldbulletin.pdf" class="';
	}
	else
	{
		linkText =  '<li ><a href="oldbulletin.pdf" class="';
	}
	return linkText
	+ className
	+ '">Last Week\'s Bulletin</a></li>\n';
}

function loadCalendar(className){
	linkText = '';
	
	if (BrowserDetect.browser == "Explorer" && BrowserDetect.version >= "7" )
	{
		linkText =  '<li ><a href="calendar.pdf" class="';

	}
	else
	{
		linkText =  '<li ><a href="calendar.pdf" class="';
	}
	return linkText
	+ className
	+ '">Monthly Calendar</a></li>\n';

}

function loadLastestNews(className){
	linkText = '';
	
	if (BrowserDetect.browser == "Explorer" && BrowserDetect.version >= "7" )
	{
			linkText =  '<li ><a href="latestnews.pdf" class="';

	}
	else
	{
		linkText =  '<li ><a href="latestnews.pdf" class="';
	}
	return linkText
	+ className
	+ '">Latest News</a></li>\n';

}

function loadPilgrimsGuide(rootDir, className){
	linkText = '';
	
	if (BrowserDetect.browser == "Explorer" && BrowserDetect.version >= "7" )
	{
		linkText =  '<li ><a href="'
		+ rootDir
		+ 'pilgrimsguide.pdf" class="';

	}
	else
	{
		linkText =  '<li ><a href="'
		+ rootDir
		+ 'pilgrimsguide.pdf" class="';
	}
	return linkText
	+ className
	+ '">Pilgrim\'s Guide</a></li>\n';

}