function suggest_down(){
	var tmp_margin = 	$("video_holder").style.marginTop;
	tmp_margin = tmp_margin.substr(0, tmp_margin.length - 2);
	target_suggest_margin = tmp_margin - 23.83;
	if(suggest_to == 0){
		do_move_suggest();
	}
}

function suggest_up(){
	var tmp_margin = 	$("video_holder").style.marginTop;
	tmp_margin = tmp_margin.substr(0, tmp_margin.length - 2);
	target_suggest_margin = tmp_margin * 1+ 23.83;
	if(suggest_to == 0){
		do_move_suggest();
	}
}
function init(){
	
}
var suggest_to = 0;
function do_move_suggest(){
	var tmp_margin = 	$("video_holder").style.marginTop;
	tmp_margin = tmp_margin.substr(0, tmp_margin.length - 2) * 1;	
	tmp_margin += ((target_suggest_margin - tmp_margin) / 10);
	if(Math.abs(target_suggest_margin - tmp_margin) < 0.1){
		$("video_holder").style.marginTop = target_suggest_margin + "vw";
		window.clearTimeout(suggest_to);
		suggest_to = 0;
		return;
	}
	else{
		if(tmp_margin < - ($("video_holder").clientHeight / document.body.clientWidth * 100 - 24.13)){
			tmp_margin = -($("video_holder").clientHeight / document.body.clientWidth * 100 - 24.13);
		}
		if(tmp_margin > 0){
			tmp_margin = 0;
		}
		$("video_holder").style.marginTop = tmp_margin + "vw";
		suggest_to = window.setTimeout("do_move_suggest()", 10);
	}
}