/*	Upgrade your browser
	********************
	jQuery required!	*/

var upgrade = function() {
	var link_css = '/upgrade/style.css'
		link_ff = 'http://www.mozilla.com/firefox',
		link_ie = 'http://www.microsoft.com/ie/',
		link_gc = 'http://www.google.com/chrome',
		$html = $('<div style="display:none" id="upgrade"><div><h3>You have a really, really old browser.</h3><p>BulkWords will look weird and might even not work properly. </p><h4>Get the latest:</h4><ul><li><a href="'+link_ff+'"><img src="/upgrade/ff_logo.gif" alt="Firefox" /></a></li><li><a href="'+link_ie+'"><img src="/upgrade/ie_logo.gif" alt="Internet Explorer" /></a></li><li><a href="'+link_gc+'"><img src="/upgrade/gc_logo.gif" alt="Google Chrome" /></a></li></ul><a id="upgrade_close" href="#">Hide this</a></div></div>');
	
	return {
		init : function() {
			if (!($.browser.msie && parseInt($.browser.version) <= 6) || $.cookie('upgrade_closed')) return false;
			
			// Add styling
			$('head').append('<link rel="stylesheet" href="'+link_css+'" type="text/css" media="screen" />')
			
			// Add html to body
			$('body').prepend($html);
			
			// Show message
			$html.attr('style','')
			
			// Events
			$('#upgrade_close').click(function() {
				$html.remove();
				
				// Set cookie
				var expDate = new Date();
				expDate.setHours( parseInt(expDate.getHours()) + 1 );	// Expire after 1 hour
				$.cookie('upgrade_closed', {expires: expDate}) ;
			})
		}
	}
}()