/**
 * 1.0 Original article and Script is from: http://think2loud.com/build-an-unsupported-browser-warning-with-jquery/
 * 1.1 Then the script was extended here: http://blog.team-noir.net/2009/06/fight-old-browsers-warning-with-jquery/
 * 1.2 And finally Fleshgrinder had a look at it and also minified it: http://www.nervenhammer.com/
 * 1.3 Google Chrome & new Safari detect added by www.team-noir.net
 * 1.4 Browser Version Update by www.team-noir.net
 */

$(document).ready(function(){ 
	document.body.ondragstart	=	function () { return false; }
	document.body.onselectstart	=	function () { return false; }
	document.body.oncontextmenu	=	function () { return false; }
	document.oncontextmenu		=	new Function("return false")
});

function badBrowser() {

	var userAgent = navigator.userAgent.toLowerCase();
	
	// Check for Microsoft Internet Explorer 8.0
	if ($.browser.msie && parseInt($.browser.version, 10) < 8) {
		return true;
	}
	// Check for Opera 9.5
	if ($.browser.opera && ($.browser.version *10) <= 95) {
		return true;
	}
	// Check for Mozilla Firefox 5.0
	if (/firefox[\/\s](\d+\.\d+)/.test(userAgent)) {
		var ffversion = Number(RegExp.$1);
		if (ffversion < 5) {
			return true;
		}
	}
	// Check for Safari < Version 5.0
	if (/safari[\/\s](\d+\.\d+)/.test(userAgent) && !/chrome[\/\s](\d+\.\d+)/.test(userAgent)) {
		var safari = userAgent.indexOf('version');
		if (safari > -1) {
			var snip1 = safari+8;
			var version = userAgent.substring(snip1, (snip1+1));
			if (version < 5) {
				return true;
			}
		}
	}
	
    return false;
}

function getBadBrowser(c_name) {
	if (document.cookie.length > 0) {
		c_start = document.cookie.indexOf(c_name + "=");
		if (c_start != -1) {
			c_start = c_start + c_name.length + 1;
			c_end   = document.cookie.indexOf(";",c_start);
			if (c_end == -1) {
				c_end = document.cookie.length;
			}
			return unescape(document.cookie.substring(c_start,c_end));
		} 
	}
	return "";
}

function setBadBrowser(c_name,value,expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value) + ((expiredays === null) ? "" : ";expires=" + exdate.toGMTString());
}

if(badBrowser() && getBadBrowser('browserWarning') != 'seen') {
	$(function() {
		// Here you go with translating the content of the box
		$("<div id='browserWarning'>Seu navegador está desatualizado e pode não ser compatível com todos os recursos deste site!<br />Atualize agora mesmo por um de sua preferência: <a href='http://br.mozdev.org/download/' target='_blank'>Firefox</a>, <a href='http://www.google.com/chrome' target='_blank'>Chrome</a>, <a href='http://www.opera.com/download/' target='_blank'>Opera</a>, <a href='http://www.apple.com/br/safari/download/' target='_blank'>Safari</a> ou <a href='http://windows.microsoft.com/pt-BR/internet-explorer/downloads/ie' target='_blank'>Internet Explorer</a>. Clique <a href='javascript:void(0)' id='warningClose'>aqui</a> para fechar.</div>")
			// Delete the following to get full control over the style
			// of the warning box and style it through your stylesheet
			.css({
				backgroundColor: '#ffc',
				'position': 'fixed',
				'opacity': '0.9',
				'z-index': '9999',
				'width': '100%',
				'border': 'solid 1px #ff3',
				'text-align': 'center',
				padding:'5px 0px 5px 0px'
			})
			// Last step is to prepend the just created DIV to the
			// opening <body>-Tag
			.prependTo("body");
		// This generates the "close" link
		// You have the possibility to set up the closing speed of the box
		// just enter something different to the slow statement at slideUp
		$('#warningClose').click(function(){
			setBadBrowser('browserWarning','seen');
			$('#browserWarning').slideUp('slow');
			return false;
		});
	});
}
