var ex = true;
var fx;
window.addEvent('domready', function(){
     fx = new Fx.Style('page', 'width', {duration:500});
});
function toggle()
{
	if (ex)
	{
		fx.start(766, 900);
	} else
	{
	fx.start(900, 766);
	}
	ex = !ex;
}