var load     = 0;
var MenuName = new Array('home','regist','session','access');
var OnMenu   = new Array();
var OffMenu  = new Array();

for(i in MenuName){
   var Name = MenuName[i];
   OnMenu[Name]  = new Image();
   OffMenu[Name] = new Image();
   OnMenu[Name].src  = "/event/ciosummit-nec/shared/menu_" + Name + "_here.gif"; 
   OffMenu[Name].src = "/event/ciosummit-nec/shared/menu_" + Name + ".gif";
   OnMenu[Name].src  = "/event_test/ciosummit-nec/shared/menu_" + Name + "_here.gif"; 
   OffMenu[Name].src = "/event_test/ciosummit-nec/shared/menu_" + Name + ".gif";
}

function ChgImage(num,flag){
   if(load){
      document.images['L' + num].src = (flag) ? OnMenu[num].src : OffMenu[num].src;
   }
}

function WinOpen(url,width,height){
   var win = window.open(url,"_blank","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=" + width + ",height=" + height + "\"");
   win.focus();
}