var page = 0;
var temp = 0;

window.addEvent('domready', function(){

	var scroll = new Fx.Scroll2('twit', {
    	wait: false,
    	duration: 750,
    	transition: Fx.Transitions.Quad.easeInOut
    });
    //Quad,Circ,Back
    
    scroll.toTop();
    
    $('scroll_down').addEvent('click', function(event) {
    	event = new Event(event).stop();
    	temp = page+1;
    	if(temp < 5){
		scroll.toElement('twitpage'+temp);
		page=temp;
	}		
    });
    
    $('scroll_up').addEvent('click', function(event) {
    	event = new Event(event).stop();
    	temp = page-1;
    	if(temp >= 0){
		scroll.toElement('twitpage'+temp);
		page=temp;
	}
    });

});