var Browser = {
'isIE' : (navigator.userAgent.indexOf('MSIE') >= 0) && (navigator.userAgent.indexOf('Opera') < 0),
'isFirefox' : navigator.userAgent.indexOf('Firefox') >= 0,
'isOpera' : navigator.userAgent.indexOf('Opera') >= 0
};
/**
* 给数组扩展add方法.
* @method add
* @param {Object} obj 需要add的对象.
*/
Array.prototype.add = function(obj){var add_flag = true;for(var i=0;i<this.length;i++){if(this[i]==obj){add_flag = false;break;}}if(add_flag==true){this[this.length] = obj;}}
function $(A){
return document.getElementById(A)
}
(function(){
SimpleTree = {
/**
* 根据className,titleClassName初始化树形
* @param {Object} className 根节点className
* @param {Object} titleClassName 标题className
*/
_init:function(className,titleClassName){
var rootList = YAHOO.util.Dom.getElementsByClassName(className,'div');
for(var i=0;i<rootList.length;i++){
var treeTitle =  YAHOO.util.Dom.getElementsByClassName(titleClassName,'div',rootList[i])[0];
YAHOO.util.Event.addListener(treeTitle, "click", SimpleTree.openChildList);
}
},
/**
* 根据当前状态，打开或则关闭节点
*/
openChildList:function(){
var oChildList = YAHOO.util.Dom.getElementsByClassName('childList','div',this.parentNode)[0];
var oCreeTitleImg = this.getElementsByTagName('img')[0];
if(!YAHOO.util.Dom.hasClass(oChildList, 'dis')){
YAHOO.util.Dom.addClass(oChildList,'dis');
oCreeTitleImg.src="#";
}else{
YAHOO.util.Dom.removeClass(oChildList,'dis');
oCreeTitleImg.src="#";
}
}
}
})();