// browser detection 
ns4 = (document.layers)? true:false 
ie = (document.styleSheets&&document.all)? true:false 
ns6 = document.getElementById&&!document.all; 
opera= (document.all&& !document.styleSheets)? true:false; 

// Banner position 
top_position = 100;

function move_sticky() { 
//out_day
  if (ie) document.all.out_day.style.top=document.body.scrollTop+top_position; 
  if (ns6||opera) document.getElementById("out_day").style.top=pageYOffset+top_position; 
  if (ns4) document.out_day.top=pageYOffset+top_position; 
//out_night
  if (ie) document.all.out_night.style.top=document.body.scrollTop+top_position; 
  if (ns6||opera) document.getElementById("out_night").style.top=pageYOffset+top_position; 
  if (ns4) document.out_night.top=pageYOffset+top_position; 

  setTimeout("move_sticky()",200); 
} 

function check_window_size(width){ 
   if(ns4 || ns6 || opera){ 
      return(window.innerWidth > width); 
   } else { 
      return (document.body.clientWidth>width); 
   } 
}