PBlog2 公用JS代码

//PBlog2 公用JS代码
//Author:PuterJam

//查找网页内宽度太大的图片进行缩放以及PNG纠正
 function ReImgSize(){
  for (i=0;i<document.images.length;i++)
   {
   if (document.all){
 if (document.images[i].width>500)
  {
       document.images[i].width="500"
       document.images[i].outerHTML='<a href="'https://www.jb51.net/+document.images[i].src+'" target="_blank" title="在新窗口打开图片">'+document.images[i].outerHTML+'</a>'
    }
   }
  else{
 if (document.images[i].width>400) {
   document.images[i].title="在新窗口打开图片"
   document.images[i].style.cursor="pointer"
   document.images[i].onclick=function(e){window.open(this.src)}
 }
  }
  }
 }

//AccessKey 转换For IE Design By PuterJam
  var NKey=new Array()
  var KeyCode=new Array()
  var KeyInit=false
//======== keyCode ============
  KeyCode["1"]=49
  KeyCode["2"]=50
  KeyCode["3"]=51
  KeyCode["["]=219
  KeyCode["]"]=221
  KeyCode[","]=188
  KeyCode["."]=190
  var EKey="abcdefghijklmnopqrstuwvxyz"
  for (i=0;i<26;i++){
    KeyCode[EKey.substr(i,1)]=65+i
  }

  function PressKey(){
  if (document.all) {
    for (i=0;i<NKey.length;i++){
     if (window.event.altKey && window.event.keyCode==NKey[i].Code) {NKey[i].Object.blur();NKey[i].Object.click()}
    }

}
  }

  function AccessKey(Code,Object){
   this.Code=Code
   this.Object=Object
  }

  function initAccessKey(){
  if (document.all && !KeyInit) {
     for (i=0;i<document.links.length;i++){
       if (document.links[i].accessKey) {
         NKey[NKey.length]=new AccessKey(KeyCode[document.links[i].accessKey.toLowerCase()],document.links[i])
       }
     }
  }
  KeyInit=true
  }

//初始化JS代码
function initJS(){
 ReImgSize() //自动缩放代码
 initAccessKey()  //转换AccessKey For IE
}

//让Mozilla支持innerText
try{
 HTMLElement.prototype.__defineGetter__
 (
 "innerText",
 function ()
 {
  var anyString = "";

var childS = this.childNodes;
   for(var i=0; i<childS.length; i++)
   {
    if(childS[i].nodeType==1)
    anyString += childS[i].tagName=="BR" ? '\n' : childS[i].innerText;
    else if(childS[i].nodeType==3)
    anyString += childS[i].nodeValue;
   }
   return anyString;
 }
 );
}
catch(e){}

//判断是否是IE
function isIE(){
 if (navigator.appName!="Microsoft Internet Explorer") {return false}
 return true
}
//显示隐藏主题
function TopicShow(e,TopicID){
  e.className=(e.className=="BttnC")?"BttnE":"BttnC"
  document.getElementById(TopicID).style.display=(e.className=="BttnC")?"":"none"
  ReImgSize()
}
//打开新窗口
function popnew(url,title,width,height){
    var w = 1024;
    var h = 768;

if (document.all || document.layers){
        w = screen.availWidth;
        h = screen.availHeight;
    }

var leftPos = (w/2-width/2);
    var topPos = (h/2.3-height/2.3);

window.open(url,title,"width="+width+",height="+height+",top="+topPos+",left="+leftPos+",scrollbars=no,resizable=no,status=no")
}
//运行代码
function runEx(cod1)  {
  cod=document.getElementById(cod1)
   var code=cod.value;
   if (code!=""){
    var newwin=window.open('','',''); 
    newwin.opener = null
    newwin.document.write(code); 
    newwin.document.close();
 }
}
//复制代码
function doCopy(ID) {
 if (document.all){
   textRange = document.getElementById(ID).createTextRange();
   textRange.execCommand("Copy");
 }
 else{
   alert("此功能只能在IE上有效")
 }
}
var MediaTemp=new Array()
function MediaShow(strType,strID,strURL,intWidth,intHeight)
{
 var tmpstr
 if (MediaTemp[strID]==undefined) MediaTemp[strID]=false; else MediaTemp[strID]=!MediaTemp[strID];
 if(MediaTemp[strID]){
   if ( document.all ) {
           document.getElementById(strID).outerHTML = '<div></div>'
   }
   else
   {
           document.getElementById(strID).innerHTML = ''
   }