var offers_scroll;
var offers_scroll_id;
var offers_scroll_count;
var offers_scroll_counter;

function offersSetScroll(id)
{
	offers_scroll_id = id;
	offers_scroll = new Fx.Scroll('offers_list_' + id);
	offers_scroll_counter = 0;
	offers_scroll_count = $$('div#offers_list_' + id + ' div.offers_list_entry').length;
	
	if (offers_scroll_count < 4)
	{
		$('arrow_left').setStyle('display', 'none');
		$('arrow_right').setStyle('display', 'none');
	}
	else
	{
		$('arrow_left').setStyle('display', '');
		$('arrow_right').setStyle('display', '');
	}
}

function offersPrev()
{
	if (offers_scroll_count < 4) return;
	
	offers_scroll_counter--;
	
	if (offers_scroll_counter < 0)
		offers_scroll_counter = offers_scroll_count-3;
	
	offers_scroll.toElement('offers_list_entry_' + offers_scroll_id + '_' + offers_scroll_counter)
}

function offersNext()
{
	if (offers_scroll_count < 4) return;
	
	offers_scroll_counter++;
	
	if (offers_scroll_count - offers_scroll_counter < 3)
		offers_scroll_counter = 0;
	
	offers_scroll.toElement('offers_list_entry_' + offers_scroll_id + '_' + offers_scroll_counter)
}

function makeButton(class_name){
	
	isIE=document.all;
	if( isIE ) return;
	
    var miniesFx = new Array();
    $$(class_name).each(function(element,i){
        miniesFx[i] = new Fx.Tween(element, {
            duration:200,
            wait:false
        });

        element.addEvent('mouseenter', function(){
            miniesFx[i].start('opacity', 1, 0.5);
        });

        element.addEvent('mouseleave', function(){
            miniesFx[i].start('opacity', 0.5, 1);
        });
    });
}