/**
 * ヘッダーメニュー切り替え
 *
 */
function fn_changeImg(no, push_type){
	var type="";
	if(push_type == 0){
		type = "off";
	}else if(push_type == 1){
		type = "on";
	}else{
		return;
	}
	var key = no.substr(0, 1);
	var id  = "Image"+no;
	switch(key){
		case "1":
			document.getElementById(id).src='./images/btn/'+type+'_concept.jpg';
			return;
		case "2":
			document.getElementById(id).src='./images/btn/'+type+'_system.jpg';
			return;
		case "3":
			document.getElementById(id).src='./images/btn/'+type+'_girls.jpg';
			return;
		case "4":
			document.getElementById(id).src='./images/btn/'+type+'_schedule.jpg';
			return;
		case "5":
			document.getElementById(id).src='./images/btn/'+type+'_access.jpg';
			return;
		case "6":
			document.getElementById(id).src='./images/btn/'+type+'_event.jpg';
			return;
		case "7":
			document.getElementById(id).src='./images/btn/'+type+'_recruit.jpg';
			return;
		default:
			return;
	}
}
function fn_on_mouse(id){
	document.getElementById(id).style.display='block';
}

function fn_off_mouse(id){
	document.getElementById(id).style.display='none';
}