var slide_duration = 1;
var scrolling_div_width = 357;
function loadjs(){
    var nextbuttons = $$('a.nxtbtn');
    for(var i = 0 ; i < nextbuttons.length; i++){
        nextbuttons[i].observe('click', function(event) {
            try{
                new Effect.Scroll($(this.id).ancestors()[0].next('.scrollable_container'), { x: scrolling_div_width,  duration: slide_duration });
            }
            catch(e){
                new Effect.Scroll($(this.id).ancestors()[0].previous('.scrollable_container'), { x: scrolling_div_width,  duration: slide_duration });
            }
            Event.stop(event);
        });
    }
 
    var previbuttons = $$('a.prvbtn');
    for(var j = 0 ; j < previbuttons.length; j++){
        previbuttons[j].observe('click', function(event) {
            try{
                new Effect.Scroll($(this.id).ancestors()[0].next('.scrollable_container'), { x: -scrolling_div_width,  duration: slide_duration });
            }
            catch(e){
                new Effect.Scroll($(this.id).ancestors()[0].previous('.scrollable_container'), { x: -scrolling_div_width,  duration: slide_duration });
            }
            Event.stop(event);
        });
    }
}