/**
给对象添加事件及执行方法
 */
function addEvent(obj, evType, fn){
 if (obj.addEventListener){
    obj.addEventListener(evType, fn, false);
    return true;
 } else if (obj.attachEvent){
    var r = obj.attachEvent("on"+evType, fn);
    return r;
 } else {
    return false;
 }
}
/**
移除对象事件
 */
function removeEvent(obj, evType, fn, useCapture){
  if (obj.removeEventListener){
    obj.removeEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.detachEvent){
    var r = obj.detachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Handler could not be removed");
  }
}

/**
得到浏览器视区的高度
 */
function getViewportHeight() {
	if (window.innerHeight!=window.undefined) return window.innerHeight;
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
	if (document.body) return document.body.clientHeight; 
	return window.undefined; 
}
/**
得到浏览器视区的宽度
 */
function getViewportWidth() {
	if (window.innerWidth!=window.undefined) return window.innerWidth; 
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
	if (document.body) return document.body.clientWidth; 
	return window.undefined; 
}

/***********************
设置字体 by hk 2007-3-9
***********************/
function SetFont(size)
{
    var divBody = document.getElementById("litContent");
    if(!divBody)
    {
        return;
    }
    divBody.style.fontSize = size + "px";
    var divChildBody = divBody.childNodes;
    for(var i = 0; i < divChildBody.length; i++)
    {
      if (divChildBody[i].nodeType==1)
      {
         divChildBody[i].style.fontSize = size + "px";
      }
    }
}

function doZoom(msize,mContent)
{
    document.getElementById(mContent).style.fontSize=msize+"px"
}