var count;
var pri_photo_id;
var cur_photo_id;
var pri_infor_id;
var cur_infor_id;
var i_mm=1;
var i_bb=1;
var step_mm=1;
var Transition_mm=0;
var step_bb=1;
var Transition_bb=0;
count=5;
function show_mm()
{
	i_mm=i_mm+step_mm;
	if(i_mm>count){i_mm=1}
	if(i_mm==1){
		pri_photo_id="mm_photo_"+count;
		pri_infor_id="mm_infor_"+count;
	}else{
		pri_photo_id="mm_photo_"+(i_mm-1);
		pri_infor_id="mm_infor_"+(i_mm-1);
	}
	Transition_mm++
	if(Transition_mm>23){Transition_mm=0};
	cur_photo_id="mm_photo_"+i_mm;
	cur_infor_id="mm_infor_"+i_mm;
	document.getElementById(cur_infor_id).style.display="block";
	document.getElementById(cur_photo_id).style.display="block";
	document.getElementById(pri_infor_id).style.display="none";
	document.getElementById(pri_photo_id).style.display="none";
}

function start_mm(){step_mm=1;}
function stop_mm(){step_mm=0;}

function show_bb()
{
	i_bb=i_bb+step_bb;
	if(i_bb>count){i_bb=1}
	if(i_bb==1){
		pri_photo_id="bb_photo_"+count;
		pri_infor_id="bb_infor_"+count;
	}else{
		pri_photo_id="bb_photo_"+(i_bb-1);
		pri_infor_id="bb_infor_"+(i_bb-1);
	}
	Transition_bb++
	if(Transition_bb>23){Transition_bb=0};
	cur_photo_id="bb_photo_"+i_bb;
	cur_infor_id="bb_infor_"+i_bb;
	document.getElementById(cur_infor_id).style.display="block";
	document.getElementById(cur_photo_id).style.display="block";
	document.getElementById(pri_infor_id).style.display="none";
	document.getElementById(pri_photo_id).style.display="none";
}

function start_bb(){step_bb=1;}
function stop_bb(){step_bb=0;}