function getMapImg(idx){

	$('mapImg__').src=mapImg[idx];
	$('mapImgIdx__').value=idx;
	
	timex=$('timex__');
	timex.options[idx].selected=true;

}

function nextMap(){

	idx=Number($('mapImgIdx__').value);
	
	nextIdx=idx+1;
	if(nextIdx>=mapImgLen-1) nextIdx=mapImgLen-1;
	getMapImg(nextIdx);
	
}

function preMap(){
	
	idx=Number($('mapImgIdx__').value);
	
	preIdx=idx-1;
	if(preIdx<=0) preIdx=0;
	
	getMapImg(preIdx);
	

}


var mvInterval;

function moviePlay(){

	$('mapImgIdx__').value="0";
	mvInterval=window.setInterval('moviePlayAction()', 1000);

}
function moviePlayAction(){
	idx=Number($('mapImgIdx__').value);
	nextIdx=idx+1;
	if(nextIdx>=mapImgLen-1) nextIdx=0;
	getMapImg(nextIdx);
}

function movieStop(){
	if(mvInterval) window.clearInterval(mvInterval);
}