function init() {
  if (!document.getElementsByTagName) { return; }
  var objs = document.getElementsByTagName("div");
  for (i = 0; i < objs.length; i++) {
    if (objs[i].className == "titem") {
      objs[i].style.display = "none";
    }
  }
}
function func(id) {
  if (!document.getElementsByTagName) { return false; }
  var obj = document.getElementById(id);
  if (obj.style.display == "block") {
    obj.style.display = "none";
  } else {
    obj.style.display = "block";
  }
  return false;
}


function replaceEle(){
	if(document.getElementById){
		var obj = document.getElementById("menu");
		obj.innerHTML = obj.innerHTML.replace(/<dt>/gi, '<dt onmouseover="popupMenu(this);" onmouseout="hiddenMenu(this);">');
		obj.innerHTML = obj.innerHTML.replace(/<span>/gi, '<span onmouseover="popupMenu(this);" onmouseout="hiddenMenu(this);">');
	}
}
	
function popupMenu( obj ){
	var menu = obj.getElementsByTagName("div").item(0);
	if(menu){
		menu.style.display = "block";
	}
	
	if(obj.tagName.match(/span/i)){
		obj.style.backgroundColor = "#f8f8ff";
	}
}
	
function hiddenMenu( obj ){
	var menu = obj.getElementsByTagName("div").item(0);
	if(menu){
		menu.style.display = "none";
	}
	
	if(obj.tagName.match(/span/i)){
		obj.style.backgroundColor = "#f8f8ff";
	}
}