// 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 = 0;

function move_sticky() { 

  if (ie) document.all.detail.style.top=document.body.scrollTop+top_position; 
  if (ns6||opera) document.getElementById("detail").style.top=pageYOffset+top_position+"px"; 
  if (ns4) document.detail.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); 
   } 
}