js几个不错的函数 $$()

function map(a,f){f(a);} function getRand(a,b) {     if(a)     {         b=b?b:0;         return Math.floor(Math.random()*a+b);     }else     {         a = new Date();         return d.getTime();     } } function $(a){document.write(a);} function $$()  {      var elements = new Array();     for (var i = 0; i < arguments.length; i++)      {        var element = arguments[i];        if (typeof element == 'string')          element = document.getElementById(element);        if (arguments.length == 1)          return element;        elements.push(element);      }      return elements;  } function fGetCookie(name)  {      var cookieValue = "";       var search = name + "=";       if(document.cookie.length > 0)      {          offset = document.cookie.indexOf(search);         if (offset != -1)          {                offset += search.length;               end = document.cookie.indexOf(";", offset);               if (end == -1) end = document.cookie.length;               cookieValue = unescape(document.cookie.substring(offset, end));         }       }       return cookieValue; } function J_get(name) {     var js_get  =self.window.document.location.href;     var start    =js_get.indexOf(name + '=');     if (start == -1) return '';     var len = start + name.length + 1;     var end = js_get.indexOf('&',len);       if (end == -1) end = js_get.length;       return unescape(js_get.substring(len,end)); } function writeCookie(name, value, hours) {     var expire = "";     var domain = "; domain=aspxhome.com; path=/";     if(hours != "")      {         expire = new Date((new Date()).getTime() + hours * 60 * 60 * 1000);         expire = "; expires=" + expire.toGMTString();     }     document.cookie = name + "=" + escape(value) + domain; } function createXMLHttp() {     var ret = null;     try {         ret = new ActiveXObject('Msxml2.XMLHTTP');     }     catch (e) {         try {             ret = new ActiveXObject('Microsoft.XMLHTTP');         }         catch (ee) {             ret = null;         }     }     if (!ret && typeof XMLHttpRequest != 'undefined')         ret = new XMLHttpRequest();     return ret; } function loadXmlToElement(fragment_url, element_id,mode,de) {     var element = $$(element_id);     var xmlhttp = createXMLHttp();     var str;     xmlhttp.open("GET", fragment_url);     xmlhttp.onreadystatechange = function()      {         if (xmlhttp.readyState == 4 && xmlhttp.status == 200)          {             if(!mode)             {                 str = xmlhttp.responseXML.getElementsByTagName("data")[0].childNodes[0].nodeValue;                 if(!element.innerHTML)                 {                     try{                         str = xmlhttp.responseXML.firstChild.childNodes[1].nodeValue;                     }catch(e){}                 }             }else if(mode == 'txt')             {                 str = xmlhttp.responseText;             }             if(de) str = unescape(str);             element.innerHTML = str;         }     }     xmlhttp.send(null);     } var oJson = new Object(); var fJson =  {     "data":{},//[0,y,yes,空值]:默认,[-1,n,no]:不运行flush(),     "file":{},//附加js代码文件     "str":{},//附加JS代码     "set":function(element,vars)     {         for(key in vars)         {             this[key][element] = vars[key];         }     },     "getSrc":function(element)     {         var rs = '';         if(this['data'][element])         {             if(this['data'][element] == 'n' || this['data'][element] == '-1' || this['data'][element] == 'no')             {                 rs +='&gJsonData=n';             }         }         if(this['str'][element])         {             rs +='&gJsonDoStr='+escape(this['str'][element]);         }         if(this['file'][element])         {             rs +='&gJsonDoFile='+escape(this['file'][element]);         }         return rs;     },     "main":function(url,element,un)     {         un = un?un:0;         eval("oJson."+element+" = new fJson.__Json('"+url+"','"+element+"','"+un+"')" );     },     "__Json":function(url,element,un)     {         var a            = document.getElementById("script_"+element)         if(!a)         {             a            = document.createElement("script");             a.setAttribute("id","script_"+element);         }         a.un            = un;         a.data             = '';         a.src            = url+((url.indexOf('?') == -1 )?'?':'&')+'gJson='+element+fJson.getSrc(element);         if(navigator.appVersion.indexOf("MSIE") == -1 )         {             document.getElementById(element).insertBefore(a,null);         }else         {             document.body.insertAdjacentElement("BeforeBegin",a);             }         return a;     },     "flush":function(element)     {         document.getElementById(element).innerHTML =  (oJson[element].un)?unescape(oJson[element].data):oJson[element].data;         //oJson[element] = null;     }     } /* 应用 */ function subPageSelect(b,e,d,a)//b开始 e结束 d默认 a动作 {      var shtml ='<select '+a+'>';     for(var i=b;i<=e;i++)     {         shtml+='<option value="'+i+'" '+(i==d?shtml+='selected':'')+'>'+i+'</option>';     }     shtml+='</select>';     return shtml; } function err(a,b,c) {     if(b)     {         if(c)         {             a.src='https://www.aspxhome.com/space/imgs/all/thu_woman.gif';         }else         {             a.src='http://v.aspxhome.com:88/img/user_no_photo.gif';         }     }else     {         a.src='http://v.aspxhome.com:88/img/flv_no_photo.gif';     } } function img_onerr(a) {     err(a); } function gowin(a) {     document.location = a;     } function CopyInBoard(hahaUrl,note)  {                  note    = note?note:'网址复制成功啦!';     window.clipboardData.setData('text',hahaUrl)     alert(note);             } function fDoMask(a,f,s,c,p,color)//a元素  f刷新调函数 s样式 c内容 p透明度 {      a = $$(a);     p = p?p:75;     s = '<div style="'+(s?s:'text-align:center; margin-top:40px;')+'">'+(c?c:'<img src="https://www.aspxhome.com/space/imgs/all/loading.gif"  border="0"/> 数据加载中... ')+(f?'[<a href="javascript:'+f+'">刷新</a>]':'')+'</div>';     color = color?color:'#FFFFFF';     if (a.innerHTML != "")     {         //window.onunload = fCheckStatus;         var objBrother = a.childNodes[0];         var b = document.createElement('DIV');         b.setAttribute('id','maskdiv');         b.style.textAlign = "center";         b.style.position = "absolute";         b.style.filter = "alpha(opacity="+p+")";         b.style.opacity = (p / 100);         b.style.MozOpacity = (p / 100);         b.style.KhtmlOpacity = (p / 100);         b.style.width  = a['offsetWidth']+'px';         b.style.height = a['offsetHeight']+'px';         b.style.margin = "0px";         b.style.backgroundColor = color;                 a.insertBefore(b,objBrother)         b.innerHTML = s;     } } function switchDisplay(obj1, obj2) {     try     {         obj1    = $$(obj1);         obj2    = $$(obj2);         if(obj1.style.display=='')         {             obj1.style.display='none';             obj2.style.display='';         }         else         {             obj1.style.display='';             obj2.style.display='none';         }     }catch (ex)     {     } } function getFlashPlayer(vars,playUrl,id,w,h) {     playUrl = playUrl?playUrl:'https://www.aspxhome.com/flashApp/56';     id         = id?id:'siteFlvPlayer';     w = w?w:'440';     h = h?h:'371';     AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0','width',w,'height',h,'id',id,'src',playUrl,'flashvars',vars,'quality','high','scale','noscale','wmode','transparent','name',id,'salign','lt','pluginspage','http://www.macromedia.com/go/getflashplayer','movie',playUrl); //end AC code } function f_js_playObject(a,h,s,player) {     h        = 'www.aspxhome.com';//#..     player    = player?player:'/flashApp/v_player_site_fp7_5.swf';     player    = 'http://'+h+player;     s          = s?s:' width="100％" height="100％" ';     var _into = "";     _into += '<div id="videoPlayer">';     _into += '<div id="PlayerInfo" style="color:#ffffff;font-weight:bold;text-align:center;display:none;">双击播放器屏幕或者点“全屏”可取消或恢复全屏</div>';     _into += '<div id="flvPlayBack" class="normalSize">';     _into += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" '+s+'>';     _into += '<param name="allowScriptAccess" value="always" />';     _into += '<param name="movie" value="'+player+'" />';     _into += '<param name="quality" value="high" />';     _into += '<param name="bgcolor" value="#ffffff" />';     _into += '<param name="FlashVars" value="&'+a+'" />';     _into += '<embed src="'+player+'" flashvars="&'+a+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer"  align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" '+s+'>';     _into += '</embed>';     _into += '</object>'    ;     _into += '</div></div>';     _into += '<div id="maskForIe" style="lexrus:expression(this.style.width=document.body.parentNode.scrollWidth);aether:expression(this.style.height=document.body.parentNode.scrollHeight);display:none;background:#000;filter:alpha(opacity=70);position:absolute !important;left:0;top:0;width:100％ !important;"></div>';     _into += '<style>#videoPlayer{margin:0;padding:0 !important;width:440px;height:371px;}#program_player td{padding:0 !important;}';     _into += '.maxmized{z-index:9999;margin:0;padding:0;position:absolute;left:0;top:0;width:100％ !important;height:100％ !important;filter:alpha(opacity=70);}';     _into += '.maxmized #flvPlayBack{width:580px !important;height:490px !important;}';     _into += '.maxmized #PlayerInfo{width:580px !important;}';     _into += '.normalSize{width:440px;height:371px;}#flvPlayBack{margin:auto;height:100％;}#PlayerInfo{width:440px;}</style>';     _into += '<div style="text-align:center;margin-top:7px;margin-bottom:-8px;color:gray;" id="playerInfo1">如果不能正常播放，请点此<a href="javascript:void(0);" onClick="switchDisplay(\'playerInfo1\', \'playerInfo2\');">查看详情</a></div>';     _into += '<div style="background:#fffbee;border:2px solid #EDBB17;margin-right:4px;margin-top:7px;margin-bottom:-8px;padding:12px;display:none" id="playerInfo2">因以下情况，导致视频无法正常播放，请下载Flash8.0播放器。<a href="http://v.aspxhome.com/flashApp/Flash_AX80.exe">点此下载</a><br>1.如果打开页面只有声音没有视频画面<br>2.播放器无法加载，出现“红X”<br>3.播放器可以加载，但提示版本过低！<br><br>非上述情况下出现无法播放时，请给我们反映！<a href="http://bbs.aspxhome.com/view.html?url=http://bbs.aspxhome.com/data/841/841800.html?sid=11212" target="_blank">点此报告</a><br><br>[<a href="javascript:void(0);" onClick="switchDisplay(\'playerInfo1\', \'playerInfo2\');">关闭详情</a>]</div>';     document.getElementById('js_playObject').innerHTML = _into;     FcheckZoom(); } function zoomMovie(){     var objId='videoPlayer';     var videoObject=document.all?document.all[objId]:document.getElementById(objId);     var maskForIe=document.all?document.all['maskForIe']:document.getElementById('maskForIe');     var videoPlayBack=document.all?document.all['flvPlayBack']:document.getElementById('flvPlayBack');     var playerInfo=document.all?document.all['PlayerInfo']:document.getElementById('PlayerInfo');     var searchBox=document.all?document.all['nav_search_form']:document.getElementById('nav_search_form');     var isMaxmized=/.*maxmized.*/i.test(videoObject.className);     if(isMaxmized){         videoObject.className='normalSize';         videoObject.style.position='';         videoPlayBack.firstChild.BGCOLOR='ffffff';         playerInfo.style.display='none';         maskForIe.style.display='none';         searchBox.style.display='';     }else{         window.scrollTo(0,0);         videoObject.className='maxmized';         videoObject.style.position='absolute';         if(navigator.appName.lastIndexOf('Explorer')!=-1){             videoObject.style.left=(document.body.parentNode.scrollWidth-600)/2;             videoObject.style.top='30';             playerInfo.style.display='';             maskForIe.style.display='';         }         videoPlayBack.firstChild.BGCOLOR='000000';     }     videoObject.onclick=function(){zoomMovie()} } function FcheckZoom() {     var a = J_get('fs');     if (a==1)     {         zoomMovie();     } } /* 菜单 */ var isOverMainMenu = false; var isOverSortMenu = false; function showMenu(id){     var a = document.getElementById("MainMenu").getElementsByTagName("a");     for(var i=0;i<a.length;i++){         a[i].onmouseover = function() {             if(this.className!="active") this.className = "hover";             showSortMenu(this.id);             isOverMainMenu=true;         }         a[i].onmouseout = function() {             if(this.className!="active") this.className = "";             setTimeout("showSortMenu('"+id+"')", 400);             isOverMainMenu=false;         }         if(a[i].id == id) {             a[i].className = "active";             showSortMenu(id);         } else {             a[i].className = "";         }     } } function showSortMenu(id){     var a = document.getElementById("SortMenu");     a.onmouseover = function(){         isOverSortMenu=true;     }     a.onmouseout = function(){         isOverSortMenu=false;     }     if(!isOverSortMenu && !isOverMainMenu) {         var b = document.getElementById("SortMenu").getElementsByTagName("ul");          for(var i=0;i<b.length;i++){             if(b[i].id == "SortMenu_"+id) {                 b[i].className = "active";             } else {                 b[i].className = "";             }         }     } } /*******************************/ var gLoginId             = fGetCookie("member_id");                                            //登录用户ID var gLoginHost         = fGetCookie("host");                                                //登录主机名 var gLoginPass         = fGetCookie("pass_hex");                                            //pass var gLoginMember     = fGetCookie("member_login");                                        //member_login var gNewMail             = fGetCookie("newmail");                                            //新邮件 var gKeepMail         = fGetCookie("keepmail");                                            //是否检查邮件的标示 var gLoginUser         = gLoginId.substring(0,gLoginId.indexOf("@"));                        //登录用户名 var gIsLogin             = (gLoginHost != "" && gLoginUser != "" && gLoginPass !="" && gLoginMember != "")?true:false; //是否已经登录 var basedir                = 'http://v.aspxhome.com:88/photo/'; var userDir             = fCaculateUrl(gLoginUser); function fIsLogin() {     return (fGetCookie("host") != "" && fGetCookie("member_id") != "" && fGetCookie("pass_hex") !="" && fGetCookie("member_login") != "")?true:false; } function fCaculateUrl(userName) {     var level1 = 0;     var level2 = 0;     var k = userName.length;     //var arr = new Array();     for(var i=0;i<k;i++)     {         level1 += userName.charCodeAt(i)*i;         level2 += userName.charCodeAt(i)*(2*i+1);     }     level1 = level1 ％ 100;     level2 = level2 ％ 100;      return level1+'/'+level2; } document.domain        = "aspxhome.com"; window.focus();