text: 
  function SidebarSlider(initialTab) {
  	this.active = null;
  	this.width = initialTab.width();
  	this.showTab(initialTab);
  }
  
  SidebarSlider.prototype.showTab = function(tab) {
  	// console.log(tab, this.active);
  	if (tab != this.active) {
  
  		this.active = tab;
  
  		$('.tab').css({
  			'opacity': 0,
  			'z-index': 1,
  			'left': this.width
  		});
  		tab.css({
  		 	'opacity': 1,
  			'z-index': 2,
  			'left': 0
  		});
  
  		/*
  		$('.tab').hide( 'slide', {}, 1000 );
  		tab.show('slide',1000);
  		this.active = tab;
  		*/
  	}
  };