function isIE()
{
   // ie ?
   if (window.navigator.userAgent.toLowerCase().indexOf("msie") >= 1)
   return true;
   else
   return false;
}

if( ! isIE())
{
   // firefox innerText define
   HTMLElement.prototype.__defineGetter__("innerText",
   function()
   {
      var anyString = "";
      var childS = this.childNodes;
      for(var i = 0; i < childS.length; i ++ )
      {
         if(childS[i].nodeType == 1)
         // anyString += childS[i].tagName == "BR" ? "\n" : childS[i].innerText;
         anyString += childS[i].innerText;
         else if(childS[i].nodeType == 3)
         anyString += childS[i].nodeValue;
      }
      return anyString;
   }
   );
   HTMLElement.prototype.__defineSetter__("innerText",
   function(sText)
   {
      this.textContent = sText;


   }
   );
}

var $ = function(tid)
{
   return document.getElementById(tid);
}
;