//1
 window.onload = function() {  
   document.getElementById("btnHideShow").onclick = toggleHideShow;  
 }  
 function toggleHideShow() {  
   var div = document.getElementById("hideshow");  
   if (div.className == "show") {  
     div.className = "hide";
	 document.getElementById('btnHideShow').src="../../images/air/online/jp_top_bnr.gif";
   }  
   else {  
     div.className = "show"; 
	 document.getElementById('btnHideShow').src="../../images/air/online/jp_top_bnr_cls.gif"; 
   }  
 }
//2
 window.onload = function() {  
   document.getElementById("btnHideShow2").onclick = toggleHideShow2;  
 }  
 function toggleHideShow2() {  
   var div = document.getElementById("hideshow2");  
   if (div.className == "show2") {  
     div.className = "hide2";
	 document.getElementById('btnHideShow2').src="../../images/air/online/en_top_bnr.gif";
   }  
   else {  
     div.className = "show2"; 
	 document.getElementById('btnHideShow2').src="../../images/air/online/en_top_bnr_cls.gif"; 
   }  
 }
//3
 window.onload = function() {  
   document.getElementById("btnHideShow3").onclick = toggleHideShow3;  
 }  
 function toggleHideShow3() {  
   var div = document.getElementById("hideshow3");  
   if (div.className == "show3") {  
     div.className = "hide3";
	 document.getElementById('btnHideShow3').src="../../images/air/online/th_top_bnr.gif";
   }  
   else {  
     div.className = "show3"; 
	 document.getElementById('btnHideShow3').src="../../images/air/online/th_top_bnr_cls.gif"; 
   }  
 }