var isExtended = 0;

function slideSideBar(){
  if (isExtended == 0) {
    isExtended = 1;
	new Effect.Move(this, { x: 205, y: 0 });     
  }
  else {
    isExtended = 0;
	new Effect.Move(this, { x: -205, y: 0 }); 
  }
}

function init(){
	Event.observe('widget_social', 'click', slideSideBar, true);
}

Event.observe(window, 'load', init, true);