today = new Date();
Mon = today.getMonth()+1;
Day = today.getDate();
  if((Mon == 1) && (Day <= 31)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_wi.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_wi_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_wi_r.png)"
  }else if((Mon == 2) && (Day <= 29)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_wi.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_wi_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_wi_r.png)"
  }else if((Mon == 3) && (Day <= 31)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_sp.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_sp_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_sp_r.png)"
  }else if((Mon == 4) && (Day <= 30)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_sp.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_sp_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_sp_r.png)"
  }else if((Mon == 5) && (Day <= 31)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_sp.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_sp_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_sp_r.png)"
  }else if((Mon == 6) && (Day <= 30)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_su.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_su_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_su_r.png)"
  }else if((Mon == 7) && (Day <= 31)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_su.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_su_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_su_r.png)"
  }else if((Mon == 8) && (Day <= 31)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_su.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_su_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_su_r.png)"
  }else if((Mon == 9) && (Day <= 30)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_au.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_au_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_au_r.png)"
  }else if((Mon == 10) && (Day <= 31)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_au.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_au_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_au_r.png)"
  }else if((Mon == 11) && (Day <= 30)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_au.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_au_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_au_r.png)"
  }else if((Mon == 12) && (Day <= 31)){
	document.getElementById("vis").style.backgroundImage = "url(/css/img/vis_wi.jpg)"
	document.getElementById("visbg_l").style.backgroundImage = "url(/css/img/visbg_wi_l.png)"
	document.getElementById("visbg_r").style.backgroundImage = "url(/css/img/visbg_wi_r.png)"
  }