function rtw_startslideshow(){
	var rtw_t = setTimeout(rtw_slide_on, rtw_slidesduration);
}
function rtw_slide_on(){
	slideItems = $('.rtw_slideshow_main');
	for(is=0; is<slideItems.length; is++){
		currItem = slideItems[is];
		if($('#'+currItem.id).css('display') == 'block'){
			if($('#'+currItem.id).next().hasClass('rtw_slideshow_main')){
				rtw_moveto($('#'+currItem.id).next().attr('id'));
			}else{
				rtw_moveto('rtw_slideshow_main_1');
			}
			return;
		}
	}
}
function rtw_moveto(slide_id){
	$('.rtw_slideshow_item').removeClass('rtw_slideshow_item_active');
	nPart = slide_id.substr((slide_id.length-1),1);
	$('#rtw_slideshow_item_'+nPart).addClass('rtw_slideshow_item_active');
	
	$('.rtw_slideshow_main').css('z-index','10');
	$('#'+slide_id).css('z-index','1');
	$('#'+slide_id).removeClass('rtw_slideshow_main').addClass('rtw_slideshow_main_inaction');
	$('.rtw_slideshow_main').fadeOut('slow');
	$('.rtw_slideshow_main_inaction').addClass('rtw_slideshow_main').removeClass('rtw_slideshow_main_inaction');
	$('#'+slide_id).fadeIn('slow', function(){rtw_t = setTimeout(rtw_slide_on, rtw_slidesduration);});
}



function rtw_jumpto(id){
	clearTimeout(rtw_t);
	rtw_moveto('rtw_slideshow_main_'+id);
}


function rtw_footprint_show(obj){
	$('#info_'+obj.id).css('display','block');
	$('.rtw_footprint_info_box').css('display','block');
}
function rtw_footprint_hide(obj){
	$('#info_'+obj.id).css('display','none');
	$('.rtw_footprint_info_box').css('display','none');
}