// Developed by www.matijabozic.com
// Feel free to use, view and improve the code of IE6Notification
// If you improve this code, or create a new theme, contact me: mail@matijabozic.com

window.onload = function() {
	
	// Change this to custumize your IE6 notification
	var headerText = "Your browser is outdated!";
	var notificationInfo = "You are using Internet Explorer 6 or later version of browser.";
	var notificationText = "Your current browser is slow, unsecure and it doesn't render web pages correctly. You can choose from many free web browsers that are easy to install, fast, secure and that render web pages correctly for your better browsing experience. Feel free to explore them:";
	
	/////////////////////////////
	///// Detecting Browser /////
	/////////////////////////////
	
	var userAgent = navigator.userAgent.toLowerCase();
	var browser = "";
	if (userAgent.indexOf('msie 6.1') != -1) { browser = "IE"; }
	if (userAgent.indexOf('msie 6.0') != -1) { browser = "IE"; }
	if (userAgent.indexOf('msie 6.01') != -1) { browser = "IE"; }
	if (userAgent.indexOf('msie 6.0b') != -1) { browser = "IE"; }
	if (userAgent.indexOf('msie 5.5') != -1) { browser = "IE"; }
	if (userAgent.indexOf('msie 5.0') != -1) { browser = "IE"; }
	if (userAgent.indexOf('msie 4.5') != -1) { browser = "IE"; }
	if (userAgent.indexOf('msie 4.01') != -1) { browser = "IE"; }
	if (userAgent.indexOf('msie 4.0') != -1) { browser = "IE"; }
	
	if ( browser == "IE" ) {

		//////////////////////////////
		///// Cookie Value Check /////
		//////////////////////////////
		
		var cookieName = "IE6Notification";
		var cookieValue = "";
		var cookieAll = document.cookie;
		var cookieArray = cookieAll.split(';');
		for ( n = 0; n < cookieArray.length; n++ ) {
			var cookie = cookieArray[n];
				if (cookie.indexOf(cookieName) != -1) {
				var cookieNameEnd = cookie.indexOf("=") + 1;
				cookieValue = cookie.substring(cookieNameEnd);
			}
		}
		
		if ( cookieValue != 'dontShow' ) {
			
			///////////////////
			///// Global  /////
			///////////////////
			
			var HTMLbody = document.getElementsByTagName('body')[0];
			var HTMLhead = document.getElementsByTagName('head')[0];
			
			///////////////////////////
			///// Adding CSS file /////
			///////////////////////////
			
			//CSS can be added dynamically, joust uncomment this and there's no need to include IE6Notification.css in header 
			
			var css = document.createElement('link');
			css.setAttribute('rel', 'stylesheet');
			css.setAttribute('type', 'text/css');
			css.setAttribute('href', 'themes/mcare/css/IE6Notification.css');
			HTMLhead.appendChild(css);
			
			/////////////////////////////
			///// Building Notifier /////
			/////////////////////////////
			
			var IE6NotificationWrapper = document.createElement('div');
			IE6NotificationWrapper.setAttribute('id', 'IE6NotificationWrapper');
			HTMLbody.appendChild(IE6NotificationWrapper);
			
			var IE6NotificationHeader = document.createElement('h1');
			var IE6NotificationHeaderText = document.createTextNode(headerText);
			IE6NotificationHeader.setAttribute('id', 'IE6NotificationHeader');
			IE6NotificationHeader.appendChild(IE6NotificationHeaderText);
			IE6NotificationWrapper.appendChild(IE6NotificationHeader);
			
			var IE6NotificationInfo1 = document.createElement('p');
			var IE6NotificationInfo1Text = document.createTextNode(notificationInfo);
			IE6NotificationInfo1.setAttribute('id', 'IE6NotificationInfo1');
			IE6NotificationInfo1.appendChild(IE6NotificationInfo1Text);
			IE6NotificationWrapper.appendChild(IE6NotificationInfo1);
			
			var IE6NotificationInfo2 = document.createElement('p');
			var IE6NotificationInfo2Text = document.createTextNode(notificationText);
			IE6NotificationInfo2.setAttribute('id', 'IE6NotificationInfo2');
			IE6NotificationInfo2.appendChild(IE6NotificationInfo2Text);
			IE6NotificationWrapper.appendChild(IE6NotificationInfo2);
			
			var browserFirefox = document.createElement('a');
			browserFirefox.setAttribute('id', 'browserFirefox');
			browserFirefox.setAttribute('href', 'http://www.firefox.com');
			browserFirefox.setAttribute('target', '_blank');
			IE6NotificationWrapper.appendChild(browserFirefox);
			
			var browserChrome = document.createElement('a');
			browserChrome.setAttribute('id', 'browserChrome');
			browserChrome.setAttribute('href', 'http://www.google.com/chrome');
			browserChrome.setAttribute('target', '_blank');
			IE6NotificationWrapper.appendChild(browserChrome);
			
			var browserSafari = document.createElement('a');
			browserSafari.setAttribute('id', 'browserSafari');
			browserSafari.setAttribute('href', 'http://www.apple.com/safari/');
			browserSafari.setAttribute('target', '_blank');
			IE6NotificationWrapper.appendChild(browserSafari);
			
			var browserOpera = document.createElement('a');
			browserOpera.setAttribute('id', 'browserOpera');
			browserOpera.setAttribute('href', 'http://www.opera.com/');
			browserOpera.setAttribute('target', '_blank');
			IE6NotificationWrapper.appendChild(browserOpera);
			
			var browserIE = document.createElement('a');
			browserIE.setAttribute('id', 'browserIE');
			browserIE.setAttribute('href', 'http://www.microsoft.com/nz/windows/internet-explorer/default.aspx');
			browserIE.setAttribute('target', '_blank');
			IE6NotificationWrapper.appendChild(browserIE);
		
			/////////////////////////
			///// Kill Notifier /////
			/////////////////////////
			
			var killIE6Notification = document.createElement('a');
			var killIE6NotificationText = document.createTextNode("Close and don't notify");
			killIE6Notification.setAttribute('id', 'killIE6Notification');
			killIE6Notification.setAttribute('href', '#');
			killIE6Notification.appendChild(killIE6NotificationText);
			IE6NotificationWrapper.appendChild(killIE6Notification);
			
			killIE6Notification.onclick = function() {

				///////////////////////////
				///// Setting Cookie //////
				///////////////////////////
				
				var date = new Date();
				var milisecunds = date.getTime();
				var future = milisecunds + (1000 * 60 * 60 * 24 * 30);
				exp = new Date(future);
				exp = exp.toGMTString();
				document.cookie = "IE6Notification=dontShow; expires=" + exp;
				
				HTMLbody.removeChild(IE6NotificationWrapper);
			
			};
			
			//////////////////////////
			///// Close Notifier /////
			//////////////////////////
			
			var closeIE6Notification = document.createElement('a');
			var closeIE6NotificationText = document.createTextNode('Close');
			closeIE6Notification.setAttribute('id', 'closeIE6Notification');
			closeIE6Notification.setAttribute('href', '#');
			closeIE6Notification.appendChild(closeIE6NotificationText);
			IE6NotificationWrapper.appendChild(closeIE6Notification);
			
			closeIE6Notification.onclick = function() {
				HTMLbody.removeChild(IE6NotificationWrapper);
			};
			
		}
	}
};