/*
  作    者：易小辉
  创建日期：2010-9-25
*/
window.onerror = function() {
    return true;
}
//全局变量
var AppPath= "http://" + window.location.host + "/";    //应用程序路径

/*根据元素id获取元素对象*/
if (typeof ($D) == "undefined") {
    $D = function(elem) {
        return document.getElementById(elem);
    }
}

/*根据元素样式类获取元素对象*/
if (typeof ($C) == "undefined") {
    $C = function(classname, elem) {
        var obj = document.body;
        if (elem != undefined) {
            obj = $D(elem);
        }
        s = obj.getElementsByTagName('*');
        arr = [];
        for (i = 0; i < s.length; i++) {
            if (s[i].className == classname)
                arr.push(s[i])
        }
        return arr;
    }
}

/*根据元素标签获取元素对象*/
if (typeof ($T) == "undefined") {
    $T = function(tagName, elem) {
    
        var obj = document.body;
        if (elem != undefined) {
            obj = $D(elem);
        }
        s = obj.getElementsByTagName(tagName);
        arr = [];
        for (i = 0; i < s.length; i++) {
            arr.push(s[i])
        }
        return arr;
    }
}
/*根据元素名称获取元素对象*/
if (typeof ($N) == "undefined") {
    $N = function(elem) {
        return document.getElementsByName(elem);
    }
}

if (typeof ($A) == "undefined") {
    $A = function(arg) {
        var result = [];
        for (var i = 0; i < arg.length; i++) {
            result.push(arg[i]);
        }
        return result;
    }
}