function DoIframeToMaxHeight(){
  //某些Browser的Iframe onload事件似乎慢了一點, 或setCookie時慢了一點, 所以要等一下子
  window.setTimeout('IframeToMaxHeight("wiki")',500);
 }

 function IframeToMaxHeight(id){
  try{
   document.getElementById(id).style.height =
     parseInt(getCookie("IframeMaxHeight")) + 50;
  }
  catch (ex){}
 }

 function getCookie(name) {
   var dc = document.cookie;
   var prefix = name + "=";
   var begin = dc.indexOf("; " + prefix);
   if (begin == -1) {
     begin = dc.indexOf(prefix);
     if (begin != 0) return null;
   } else
     begin += 2;
   var end = document.cookie.indexOf(";", begin);
   if (end == -1)
     end = dc.length;
   return unescape(dc.substring(begin + prefix.length, end));
 }