var DOM = document.getElementById ? true: false;
var ie =  document.all ? true: false;

function getObj(objID){
  if(DOM) return document.getElementById(objID);
  if(ie) return document.all[objID];
   else eval("document."+objID);
}
function mclick(src){
  location = src;
}

function mover(objName){
  obj = getObj(objName);
	if (obj) obj.style.backgroundColor="#ffcc33";
}

function mout(objName){
  obj = getObj(objName);
	if (obj) obj.style.backgroundColor="transparent";
}

aistatus = new Array(false,false,false,false,false,false,false,false,false,false,false,false,false,false);

function cai(aiID){
  obj = getObj("ai_" + aiID);
  aistatus[aiID] = !aistatus[aiID];
	obj.style.display = (aistatus[aiID]) ? "block" : "none";
	return false;
}