var Extendance = {
	getInstance: function() {
		if (this._instance == null)
		{
			this._instance = this;
		}
		return this._instance;
	},
	
	showObj: function(obj) {
		$(obj).show();
	},
	
	hideObj: function(obj) {
		$(obj).hide();	
	},
	
	getLatestBlogPosts: function() {
		new Ajax.Request('http://www.extendance.com/smm/get_wp_feed.php', {
				method: 'post',
				onComplete: function(transport) {
					$('latest_blog_posts').innerHTML = transport.responseText;
				}
			});
	},
	
	getInnovationBlogPosts: function() {
		new Ajax.Request('http://www.extendance.com/smm/get_innovation_feeds.php', {
				method: 'post',
				onComplete: function(transport) {
					$('innovation_blog_posts').innerHTML = transport.responseText;
				}
			});
	},
	
	toggleTabBarContent: function(obj, contentIndex) {
		var ulElement = $(obj).up(1);
		var liItems = ulElement.getElementsByTagName('li');
		
		for(var i=0; i<liItems.length; i++) {
			liItems[i].removeClassName('active');
			$('tabcontentItem_' + (i + 1)).hide();
		}
		
		var liElement = $(obj).up(0);
		liElement.addClassName('active');
		$('tabcontentItem_' + contentIndex).show();
		
		return false;
	}
}