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"
		}
	]

};


function doAddy(addy,pad) {
	document.write(unscramble(addy,pad)) ;
}

function unscramble(e,p) {
	var re=new RegExp(p,'g') ;
	var a=e.replace(re,'') ;
	delete re ;
	return a ;
}

var timerId=null;
var interval=40;
var opacity=0;


function appear() {
	setTimeout('appear_go()',1500);
}


function appear_go() {
	timerId=setInterval('opacify()',interval);
}

function opacify() {
	if (opacity >= 100) {
		clearInterval(timerId);
		return;
		}
	var e=document.getElementById('home_logo');
	if (e) {
		e.style.opacity=opacity/100;
		e.style.filter = 'alpha(opacity=' + opacity + ')';
		}
	opacity+=1;
}

var prices = new Array();
function change_price(sel) {
	idx = sel.selectedIndex;
	e = document.getElementById('price_per_ticket');
	if (e)
		e.value = prices[idx];
	do_total();
}
function do_total() {
	var p = parseFloat(document.getElementById('price_per_ticket').value);
	var n = parseInt(document.getElementById('number_tickets').value);
	if (isNaN(n))
		n = 0;
	var t = n * p;
	document.getElementById('total_price').value = t.toFixed(2);
}

function confirm_del(url) {
	if (confirm("Really delete this item?\nThis is irreversible!"))
		document.location.replace(url);
}

var pwin = null;
function pop_win(url) {
	if (pwin != null)
		pwin.close();
	pwin = window.open(url,'','top=0,left=0,width=800,height=600');
	return false;
}

function pop_pdf(url) {
	if (pwin != null)
		pwin.close();
	w = screen.width * 0.8;
	h = 600;
	l = Math.round((screen.width / 2) - (w / 2));
	pwin = window.open(url,'','top=0,screenY=0,left='+l+',screenX='+l+',width='+w+',height='+h);
	return false;
}