var global = {}; global.namespace = function(str){var arr = str.split(“。”),o = global,i; for(i =(arr [0] =“ global”)?1:0; i <arr.length; i ++){o [ar [arr [i]] = o [arr [ar [i]] || {}; o = o [arr [i]]; }}; //dom相关global.namespace(“ dom”); global.dom.getNextNode = function(node){node = typeof node ==“ string”? document.getElementById(node):node; var nextnode = node.nextsibling; if(!nextNatode){return null; } if(!document.all){while(true){if(nextNode.nodeType == 1){break; } else {if(nextNode.nextsibling){nextNode = nextNode.nextsibling; } else {break; }}} return nextnode; }} global.dom.setopacity = function(node,level){node = typeof node ==“ string”? document.getElementById(node):node; if(document.all){node.style.filter ='alpha(opacity =' + lact +')'; } else {node.style.opacity = Level / 100; }}; global.dom.getElementsByClassName = function(str,root,tag){if(root){root = type typeof root ==“ string”? document.getElementById(root):root; } else {root = document.body; } tag = tag || “*”; var els = root.getElementsBytagName(tag),arr = []; for(var i = 0,n = els.length; i <n; i ++){for(var j = 0,k = els [i] .classname.split(“”),l = k.length; j <l; j ++ exp.休息; }}}} return arr;} global.namespace(“ event”); global.event.stoppropagation = function(e){e = window.event.event || e; if(document.all){e.CancelBubble = true; } else {e.stoppropagation(); }}; global.event.getEventTarget = function(e){e = window.event || e;返回e.srcelement || e.target;}; global.event.on = function(node,eventType,handler){node = typeof node ==“ string”? document.getElementById(node):node; if(document.all){node.attachevent(“ on” + eventType,handler); } else {node.addeventlistener(eventType,handler,false); }}}; //lang相关global.namespace(“ lang”); global.lang.trim = function(ostr){return ostr.Replace(/^/^/s+|/s+$/g,“”); global.lang.isnumber = retund = isnan(s){return! isboolean(s){返回类型s ===“ boolean”;} function isfunction(s){return type of s ===“ function”;} function isNull(s){return s === null;} function Isundefined(s) /^/s tect(s){return s instance of array;} global.dom.get = function(node){node = typeof node ===“ string”? document.getElementById(node):node;返回节点;}函数$(node){node = typeof node ==“ string”? document.getElementById(node):node; return node;} global.lang.extend = function(subclass,superClass){var f = function(){}; f.prototype = superclass.protype; subclass.prototype = new F(); subclass.prototype.constructor = subclass; subclass.superclass = subclass.protype; if(superclass.prototype.constructor == object.prototype.constructor){superclass.prototype.constructor = superClass; superClass; }}; global.namespace(“ cookie”); global.cookie = {read:function(name){var cookiEstr =“;” + document.cookie +“;”; var index = cookiestry.indexof(“;” +名称 +“ =”); if(index!= -1){var s = cookiestring.substring(index + name.length + 3,cookiestry.length);返回unescape(s.substring(0,s.indexof(“;”))); } else {return null; }},set:function(名称,值,到期){var expdays = Expires * 24 * 60 * 60 * 1000; var expdate = new Date(); expdate.settime(expdate.getTime() + expdays); var expstring =过期? “; expires =” + expdate.togmtstring():“”; var PathString =“; path =/”; document.cookie = name +“ =” +逃脱(value) + expstring + pathString; },del:function(name,value,expires){var exp = new Date(new Date()。getTime() - 1); var s = this.read(name);如果(s!= null){document.cookie = name +“ +” =“ + s +”; expires =“ + exp.togmtstring() +”; path =/“; }}}};