function $$(id) { return document.getElementById(id) }
function addLoadEvent(func) { var oldonload = window.onload; if (typeof window.onload != 'function') { window.onload = func } else { window.onload = function() { oldonload(); func() } } }
function getElementsByClass(searchClass, node, tag) {
    var classElements = new Array();
    if (node == null)
        node = document;
    if (tag == null)
        tag = '*';
    var els = node.getElementsByTagName(tag);
    var elsLen = els.length;
    var pattern = new RegExp("(^|\\s)" + searchClass + "(\\s|$)");
    for (var i = 0, j = 0; i < elsLen; i++) {
        if (pattern.test(els[i].className)) {
            classElements[j] = els[i];
            j++;
        }
    }
    return classElements;
}



//===== table数据高亮js begin
// table 亮tr
function table_tr(id, on, off) {
    var obj = getElementsByClass(id);
    for (l = 0; l < obj.length; l++) {
        if (obj[l]) {
            var tbody = obj[l].getElementsByTagName("tbody");
            var trs = tbody[0].getElementsByTagName("tr");
            var radios = new Array();
            for (i = 0; i < trs.length; i++) { obj_hover(trs[i], on, off) }
        }
    }
}
// 对象 hover效果实现
function obj_hover(obj, on, off) {
    var obj_classname = obj.className;
    obj.onmouseover = function() { if (off !== on) obj.className = obj_classname + on }
    obj.onmouseout = function() { if (off !== on) { obj.className = obj.className.slice(0, obj.className.length - 2) } }
}
//===== table数据高亮js end

//变宽
function cw(objs) {
    var cls = new Array('w235', 'w310', 'w630', 'w705', 'w950');
    for (j = 0; j < objs.length; j++) {
        objs[j].onclick = function() {
            if (!this.i) { this.i = 0; }
            if (this.i < cls.length) {
                if (this.parentNode.className.indexOf("lm_title") == -1) {
                    this.parentNode.className = cls[this.i];
                    this.getElementsByTagName("span")[0].innerHTML = cls[this.i];
                    this.i++;
                    if (this.i == cls.length) { this.i = 0; }
                }
            }
        }
    }
}




function all_func() {

    //table_tr("table"," on"," off");
    cw(document.getElementsByTagName("h1"));

}



addLoadEvent(all_func);