addEvent(window, 'load', loadPage, false);

function loadPage()
{
	//alert('fdfd');

	addEvent(id('btn_prev'), 'click', scrollPrev, false);
	addEvent(id('btn_next'), 'click', scrollNext, false);
	id('brands_frame').scrollLeft = 0;
}

g_prev_scroll_pos = 0;
g_scroll_pos = 0;
g_scroll_by = 150;

function scrollPrev(e)
{
	knackerEvent(e);
	
	var field = window.event ? window.event.srcElement : e ? e.target : null;

	if(g_scroll_pos > 0) {

		g_scroll_pos = g_scroll_pos - g_scroll_by;
		id('brands_frame').scrollLeft = g_scroll_pos;
	}

}

function scrollNext(e)
{
	knackerEvent(e);

	g_prev_scroll_pos = id('brands_frame').scrollLeft;

	g_scroll_pos = g_scroll_pos + g_scroll_by;
	id('brands_frame').scrollLeft = g_scroll_pos;

	if(id('brands_frame').scrollLeft == g_prev_scroll_pos) {
		g_scroll_pos = g_prev_scroll_pos;
	}


}