给firefox添加ie方法和属性

给firefox添加ie方法和属性

<!--
if( window . Event ){ // 修正Event的DOM
    /*
                                    IE5        MacIE5        Mozilla        Konqueror2.2        Opera5
    event                        yes         yes                yes              yes                       yes
    event.returnValue     yes         yes                no                no                         no
    event.cancelBubble   yes        yes                no                no                         no
    event.srcElement      yes         yes                no                no                         no
    event.fromElement    yes         yes                no               no                         no
    
    */
     Event . prototype . __defineSetter__ ( "returnValue" ,function( b ){ // 
         if(! b ) this . preventDefault ();
        return  b ;
        });
     Event . prototype . __defineSetter__ ( "cancelBubble" ,function( b ){ // 设置或者检索当前事件句柄的层次冒泡
         if( b ) this . stopPropagation ();
        return  b ;
        });
     Event . prototype . __defineGetter__ ( "srcElement" ,function(){
        var  node = this . target ;
        while( node . nodeType != 1 ) node = node . parentNode ;
        return  node ;
        });
     Event . prototype . __defineGetter__ ( "fromElement" ,function(){ // 返回鼠标移出的源节点
         var  node ;
        if( this . type == "mouseover" )
             node = this . relatedTarget ;
        else if( this . type == "mouseout" )
             node = this . target ;
        if(! node )return;
        while( node . nodeType != 1 ) node = node . parentNode ;
        return  node ;
        });
     Event . prototype . __defineGetter__ ( "toElement" ,function(){ // 返回鼠标移入的源节点
         var  node ;
        if( this . type == "mouseout" )
             node = this . relatedTarget ;
        else if( this . type == "mouseover" )
             node = this . target ;
        if(! node )return;
        while( node . nodeType != 1 ) node = node . parentNode ;
        return  node ;
        });
     Event . prototype . __defineGetter__ ( "offsetX" ,function(){
        return  this . layerX ;
        });
     Event . prototype . __defineGetter__ ( "offsetY" ,function(){
        return  this . layerY ;
        });
    }
if( window . Document ){ // 修正Document的DOM
    /*
                                IE5        MacIE5        Mozilla        Konqueror2.2        Opera5
    document.documentElement    yes        yes            yes            yes                    no
    document.activeElement        yes        null        no            no                    no
    
    */
     }
if( window . Node ){ // 修正Node的DOM
    /*
                                IE5        MacIE5        Mozilla        Konqueror2.2        Opera5
    Node.contains                yes        yes            no            no                    yes
    Node.replaceNode            yes        no            no            no                    no
    Node.removeNode                yes        no            no            no                    no
    Node.children                yes        yes            no            no                    no
    Node.hasChildNodes            yes        yes            yes            yes                    no
    Node.childNodes                yes        yes            yes            yes                    no
    Node.swapNode                yes        no            no            no                    no
    Node.currentStyle            yes        yes            no            no                    no
    
    */
     Node . prototype . replaceNode =function( Node ){ // 替换指定节点
         this . parentNode . replaceChild ( Node , this );
        }
     Node . prototype . removeNode =function( removeChildren ){ // 删除指定节点
         if( removeChildren )
            return  this . parentNode . removeChild ( this );
        else{
            var  range = document . createRange ();
             range . selectNodeContents ( this );
            return  this . parentNode . replaceChild ( range . extractContents (), this );
            }
        }
     Node . prototype . swapNode =function( Node ){ // 交换节点
         var  nextSibling = this . nextSibling ;
        var  parentNode = this . parentNode ;
         node . parentNode . replaceChild ( this , Node );
         parentNode . insertBefore ( node , nextSibling );
        }
    }
if( window . HTMLElement ){
     HTMLElement . prototype . __defineGetter__ ( "all" ,function(){
        var  a = this . getElementsByTagName ( "*" );
        var  node = this ;
         a . tags =function( sTagName ){
            return  node . getElementsByTagName ( sTagName );
            }
        return  a ;
        });
     HTMLElement . prototype . __defineGetter__ ( "parentElement" ,function(){
        if( this . parentNode == this . ownerDocument )return  null ;
        return  this . parentNode ;
        });
     HTMLElement . prototype . __defineGetter__ ( "children" ,function(){
        var  tmp =[];
        var  j = 0 ;
        var  n ;
        for(var  i = 0 ; i < this . childNodes . length ; i ++){
             n = this . childNodes [ i ];
            if( n . nodeType == 1 ){
                 tmp [ j ++]= n ;
                if( n . name ){
                    if(! tmp [ n . name ])
                         tmp [ n . name ]=[];
                     tmp [ n . name ][ tmp [ n . name ]. length ]= n ;
                    }
                if( n . id )
                     tmp [ n . id ]= n ;
                }
            }
        return  tmp ;
        });
     HTMLElement . prototype . __defineGetter__ ( "currentStyle" , function(){
        return  this . ownerDocument . defaultView . getComputedStyle ( this , null );
        });
     HTMLElement . prototype . __defineSetter__ ( "outerHTML" ,function( sHTML ){
        var  r = this . ownerDocument . createRange ();
         r . setStartBefore ( this );
        var  df = r . createContextualFragment ( sHTML );
         this . parentNode . replaceChild ( df , this );
        return  sHTML ;
        });
     HTMLElement . prototype . __defineGetter__ ( "outerHTML" ,function(){
        var  attr ;
        var  attrs = this . attributes ;
        var  str = "<" + this . tagName ;
        for(var  i = 0 ; i < attrs . length ; i ++){
             attr = attrs [ i ];
            if( attr . specified )
                 str += " " + attr . name + '="' + attr . value + '"' ;
            }
        if(! this . canHaveChildren )
            return  str + ">" ;
        return  str + ">" + this . innerHTML + "</" + this . tagName + ">" ;
        });
     HTMLElement . prototype . __defineGetter__ ( "canHaveChildren" ,function(){
        switch( this . tagName . toLowerCase ()){
            case  "area" :
            case  "base" :
            case  "basefont" :
            case  "col" :
            case  "frame" :
            case  "hr" :
            case  "img" :
            case  "br" :
            case  "input" :
            case  "isindex" :
            case  "link" :
            case  "meta" :
            case  "param" :
                return  false ;
            }
        return  true ;
        });

     HTMLElement . prototype . __defineSetter__ ( "innerText" ,function( sText ){
        var  parsedText = document . createTextNode ( sText );
         this . innerHTML = parsedText ;
        return  parsedText ;
        });
     HTMLElement . prototype . __defineGetter__ ( "innerText" ,function(){
        var  r = this . ownerDocument . createRange ();
         r . selectNodeContents ( this );
        return  r . toString ();
        });
     HTMLElement . prototype . __defineSetter__ ( "outerText" ,function( sText ){
        var  parsedText = document . createTextNode ( sText );
         this . outerHTML = parsedText ;
        return  parsedText ;
        });
     HTMLElement . prototype . __defineGetter__ ( "outerText" ,function(){
        var  r = this . ownerDocument . createRange ();
         r . selectNodeContents ( this );
        return  r . toString ();
        });
     HTMLElement . prototype . attachEvent =function( sType , fHandler ){
        var  shortTypeName = sType . replace (/ on /, "" );
         fHandler . _ieEmuEventHandler =function( e ){
             window . event = e ;
            return  fHandler ();
            }
         this . addEventListener ( shortTypeName , fHandler . _ieEmuEventHandler , false );
        }
     HTMLElement . prototype . detachEvent =function( sType , fHandler ){
        var  shortTypeName = sType . replace (/ on /, "" );
        if( typeof ( fHandler . _ieEmuEventHandler )== "function" )
             this . removeEventListener ( shortTypeName , fHandler . _ieEmuEventHandler , false );
        else
             this . removeEventListener ( shortTypeName , fHandler , true );
        }
     HTMLElement . prototype . contains =function( Node ){ // 是否包含某节点
         do if( Node == this )return  true ;
        while( Node = Node . parentNode );
        return  false ;
        }
     HTMLElement . prototype . insertAdjacentElement =function( where , parsedNode ){
        switch( where ){
            case  "beforeBegin" :
                 this . parentNode . insertBefore ( parsedNode , this );
                break;
            case  "afterBegin" :
                 this . insertBefore ( parsedNode , this . firstChild );
                break;
            case  "beforeEnd" :
                 this . appendChild ( parsedNode );
                break;
            case  "afterEnd" :
                if( this . nextSibling )
                     this . parentNode . insertBefore ( parsedNode , this . nextSibling );
                else
                     this . parentNode . appendChild ( parsedNode );
                break;
            }
        }
     HTMLElement . prototype . insertAdjacentHTML =function( where , htmlStr ){
        var  r = this . ownerDocument . createRange ();
         r . setStartBefore ( this );
        var  parsedHTML = r . createContextualFragment ( htmlStr );
         this . insertAdjacentElement ( where , parsedHTML );
        }
     HTMLElement . prototype . insertAdjacentText =function( where , txtStr ){
        var  parsedText = document . createTextNode ( txtStr );
         this . insertAdjacentElement ( where , parsedText );
        }
     HTMLElement . prototype . attachEvent =function( sType , fHandler ){
        var  shortTypeName = sType . replace (/ on /, "" );
         fHandler . _ieEmuEventHandler =function( e ){
             window . event = e ;
            return  fHandler ();
            }
         this . addEventListener ( shortTypeName , fHandler . _ieEmuEventHandler , false );
        }
     HTMLElement . prototype . detachEvent =function( sType , fHandler ){
        var  shortTypeName = sType . replace (/ on /, "" );
        if( typeof ( fHandler . _ieEmuEventHandler )== "function" )
             this . removeEventListener ( shortTypeName , fHandler . _ieEmuEventHandler , false );
        else
             this . removeEventListener ( shortTypeName , fHandler , true );
        }
    }
//-->
</script>
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