// JavaScript Document

function timemsg(){
	var msg = new Array(2);
	msg[0]  = "おはようございます！";
	msg[1]  = "こんにちは！";
	msg[2]  = "こんばんは！";
	var now = new Date();
	var hour = now.getHours();
	if((hour >= 4) && (hour <= 10)){
		var msgno = 0;
	}else if((hour >= 19) && (hour <= 24) || (hour >= 0) && (hour <= 3)){
		var msgno = 2;
	}else{
		var msgno = 1;
	}
	return msg[msgno];
}


//表示非表示切替
  function showDisp(id){
    if(document.getElementById){
      if(document.getElementById(id).style.display == "block"){
        document.getElementById(id).style.display = "disp";
      }else{
        document.getElementById(id).style.display = "none";
        document.getElementById(id).style.display = "block";
      }
    }
  }
  
  function hideDisp(id){
    if(document.getElementById){
    document.getElementById(id).style.display = "none";
    }
  }