// variables

// version of library

LCB_version = 2.8;

// _mac : true = macintosh, false = other os

_mac=navigator.userAgent.indexOf('Mac')!=-1;

// _ie512 : true = MSIE 5.12(mac), false = others

_ie512=navigator.userAgent.indexOf('MSIE 5.12')!=-1;

// _dom : kind of DOM.

//        IE4 = 1, IE5+ = 2, NN4 = 3, NN6+ = 4, others = 0

_dom = document.all?(document.getElementById?2:1)

                   :(document.getElementById?4:(document.layers?3:0));

_createLayerNo = 0;                    // layer no.



function initCrossBrowserLib(){

  _mac=navigator.userAgent.indexOf('Mac')!=-1;

  _ie512=navigator.userAgent.indexOf('MSIE 5.12')!=-1;

  _dom=document.all?(document.getElementById?2:1)

                     :(document.getElementById?4:(document.layers?3:0));

  _createLayerNo=0;

}



function getWindowWidth (){

  if(_dom==4 || _dom==3) return window.innerWidth;

  if(_dom==2 || _dom==1) return document.body.clientWidth;

  return 0;

}



function getWindowHeight(){

  if(_dom==4 || _dom==3) return window.innerHeight;

  if(_dom==2 || _dom==1) return document.body.clientHeight;

  return 0;

}



function getWinXOffset(){

  if(_dom==4)            return window.scrollX;

  if(_dom==2 || _dom==1) return document.body.scrollLeft;

  if(_dom==3)            return window.pageXOffset;

  return 0;

}



function getWinYOffset(){

  if(_dom==4)            return window.scrollY;

  if(_dom==2 || _dom==1) return document.body.scrollTop;

  if(_dom==3)            return window.pageYOffset;

  return 0;

}



function getDivFromName(nm){

  if(_dom==4 || _dom==2) return document.getElementById(nm);

  if(_dom==1)            return document.all(nm);

  if(_dom==3){

    var s='';

    for(var i=1; i<arguments.length; i++) s+='document.layers.'+arguments[i]+'.';

    return eval(s+'document.layers.'+nm);

  }

  return null;

}



function getDivName(div){

  if(_dom==4 || _dom==2 || _dom==1) return div.id;

  if(_dom==3)                       return div.name;

  return '';

}



function createLayer(left,top,width,height,parentDiv){

  var s='';

  if(arguments.length>5){

    for(var i=5; i<arguments.length; i++) s+=arguments[i];

  }

  if(_dom==4){

    var divName= '_js_layer_'+_createLayerNo; _createLayerNo++;

    var pDiv   =parentDiv?parentDiv:document.body;

    var div    =document.createElement('DIV');

    div.id=divName;

    div.setAttribute('style',

       'position:absolute;left:'+left+';top:'+top

      +(width >0?(';width:' +width ):'')

      +(height>0?(';height:'+height):'')

      +';visibility:hidden');

    var range=document.createRange();

    range.selectNodeContents(div);

    range.collapse(true);

    var cf=range.createContextualFragment(s);

    div.appendChild(cf);

    pDiv.appendChild(div);

    return div;

  }

  if(_dom==2 || _dom==1){

    var adj    =(_mac&&!_ie512)?' ':'';

    var divName= '_js_layer_'+_createLayerNo; _createLayerNo++;

    var ha     =(height>0)?(';height:'+height):'';

    var pDiv   =parentDiv?parentDiv:document.body;

    pDiv.insertAdjacentHTML('BeforeEnd',

       '<div id="'+divName

      +'" style="position:absolute;left:'+left+';top:'+top

      +(width >0?(';width:' +width ):';width:1')

      +(height>0?(';height:'+height):'')

      +';visibility:hidden;">'+s+'<\/div>'+adj);

    return document.all(divName);

  }

  if(_dom==3){

    var div=parentDiv?(new Layer(width,parentDiv)):(new Layer(width));

    if(height>0) div.resizeTo(width,height);

    div.moveTo(left,top);

    if(s!=''){

      div.document.open('text/html','replace');

      div.document.write(s);

      div.document.close();

    }

    return div;

  }

  return null;

}



function createExLayer(url,left,top,width,height,parentDiv){

  if(_dom==4){

    var divName= '_js_layer_'+_createLayerNo; _createLayerNo++;

    var pDiv   =parentDiv?parentDiv:document.body;

    var div    =document.createElement('IFRAME');

    div.id=divName;

    div.name=divName;

    div.setAttribute('style',

       'position:absolute;left:'+left+';top:'+top

      +';width:'+width+(height>0?(';height:'+height):'')

      +';visibility:hidden');

    div.setAttribute('src',url);

    div.setAttribute('frameborder',0);

    div.setAttribute('scrolling','no');

    pDiv.appendChild(div);

    return div;

  }

  if(_dom==2 || _dom==1){

    var adj=(_mac&&_ie512)?' ':'';

    var bd, divName='_js_layer_'+_createLayerNo;

    _createLayerNo++;

    var ha=(height>0)?(';height:'+height):'';

    if(arguments.length>5 && parentDiv)

         bd=parentDiv;

    else bd=document.body;

    bd.insertAdjacentHTML('BeforeEnd',

       '<div id="'+divName

      +'" style="position:absolute;left:'+left+';top:'+top

      +';width:'+width+ha+';visibility:hidden;">'

      +'<iframe src="'+url+'" name="'+divName+'_if" '

      +'width='+width+' height='+height

      +'marginwidth=0 marginheight=0 '

      +'scrolling="no" frameborder="no">'

      +'<\/iframe>'

      +'<\/div>'+adj);

    return document.all(divName);

  }

  if(_dom==3){

    var div=parentDiv?(new Layer(width,parentDiv)):(new Layer(width));

    if(height>0) div.resizeTo(width,height);

    div.moveTo(left,top);

    div.load(url,width);

    return div;

  }

  return null;

}



function getDivImage(div,imgName){

  if(_dom==4)            return document.images[imgName];

  if(_dom==2 || _dom==1) return document.images(imgName);

  if(_dom==3)            return div.document.images[imgName];

  return null;

}



function getDivForm(div,frmName){

  if(_dom==4)            return document.forms[frmName];

  if(_dom==2 || _dom==1) return document.forms(frmName);

  if(_dom==3)            return div.document.forms[frmName];

  return null;

}



function initDivPos(div){

  if(_dom==4){

    div.style.left=div.offsetLeft+'px';

    div.style.top =div.offsetTop +'px';

  }

  else if(_dom==2 || _dom==1){

    div.style.pixelLeft=div.offsetLeft;

    div.style.pixelTop =div.offsetTop;

  }

  return div;

}



function getDivLeft(div){

  if(_dom==4 || _dom==2) return div.offsetLeft;

  if(_dom==1)            return div.style.pixelLeft;

  if(_dom==3)            return div.left;

  return 0;

}



function getDivTop(div){

  if(_dom==4 || _dom==2) return div.offsetTop;

  if(_dom==1)            return div.style.pixelTop;

  if(_dom==3)            return div.top;

  return 0;

}



function moveDivTo(div,left,top){

  if(_dom==4){

    div.style.left=left+'px';

    div.style.top =top +'px';

    return;

  }

  if(_dom==2 || _dom==1){

    div.style.pixelLeft=left;

    div.style.pixelTop =top;

    return;

  }

  if(_dom==3){

    div.moveTo(left,top);

    return;

  }

}



function moveDivBy(div,left,top){

  if(_dom==4){

    div.style.left=div.offsetLeft+left;

    div.style.top =div.offsetTop +top;

    return;

  }

  if(_dom==2){

    div.style.pixelLeft=div.offsetLeft+left;

    div.style.pixelTop =div.offsetTop +top;

    return;

  }

  if(_dom==1){

    div.style.pixelLeft+=left;

    div.style.pixelTop +=top;

    return;

  }

  if(_dom==3){

    div.moveBy(left,top);

    return;

  }

}



function scrollExlHItTo(exdiv,x){

  if(_dom==4){

    frames[exdiv.id].scrollTo(x,frames[exdiv.id].scrollY);

    return;

  }

  if(_dom==2 || _dom==1){

    frames(exdiv.id+'_if').scrollTo(x,frames(exdiv.id+'_if').document.body.scrollTop);

    return;

  }

  if(_dom==3){

    var dx=x-exdiv.clip.left, ch=exdiv.clip.width;

    exdiv.left-=dx;

    exdiv.clip.left=x; exdiv.clip.width=ch;

    return;

  }

  return;

}



function scrollExlVItTo(exdiv,y){

  if(_dom==4){

    frames[exdiv.id].scrollTo(frames[exdiv.id].scrollX,y);

    return;

  }

  if(_dom==2 || _dom==1){

    frames(exdiv.id+'_if').scrollTo(frames(exdiv.id+'_if').document.body.scrollLeft,y);

    return;

  }

  if(_dom==3){

    var dy=y-exdiv.clip.top, ch=exdiv.clip.height;

    exdiv.top-=dy;

    exdiv.clip.top=y; exdiv.clip.height=ch;

    return;

  }

  return;

}



function initDivSize(div){

  if(_dom==4){

    // getComputedStyle is buggy in NN6, and wrong in Mozilla 0.8/9

    //

    // var style=document.defaultView.getComputedStyle(div,null);

    // div.style.width =style.getPropertyValue('width' );

    // div.style.height=style.getPropertyValue('height');

    //

    div.style.width =div.offsetWidth +'px';

    div.style.height=div.offsetHeight+'px';

    //

    // need border-width=0px, margin-width:0px

  }

  else if(_dom==2 || _dom==1){

    div.style.pixelWidth =div.offsetWidth;

    div.style.pixelHeight=div.offsetHeight;

  }

  return div;

}



function getDivWidth (div){

  if(_dom==4 || _dom==2) return div.offsetWidth;

  if(_dom==1)            return div.style.pixelWidth;

  if(_dom==3)            return div.clip.width;

  return 0;

}



function getDivHeight(div){

  if(_dom==4 || _dom==2) return div.offsetHeight;

  if(_dom==1)            return div.style.pixelHeight;

  if(_dom==3)            return div.clip.height;

  return 0;

}



function resizeDivTo(div,width,height){

  if(_dom==4){

    div.style.width =width +'px';

    div.style.height=height+'px';

    return;

  }

  if(_dom==2 || _dom==1){

    div.style.pixelWidth =width;

    div.style.pixelHeight=height;

    return;

  }

  if(_dom==3){

    div.resizeTo(width,height);

    return;

  }

}



function resizeDivBy(div,width,height){

  if(_dom==4){

    div.style.width =(div.offsetWidth +width )+'px';

    div.style.height=(div.offsetHeight+height)+'px';

    return;

  }

  if(_dom==2){

    div.style.pixelWidth =div.offsetWidth +width;

    div.style.pixelHeight=div.offsetHeight+height;

    return;

  }

  if(_dom==1){

    div.style.pixelWidth +=width;

    div.style.pixelHeight+=height;

    return;

  }

  if(_dom==3){

    div.resizeBy(width,height);

    return;

  }

}



function getExlWidth (exdiv){

  if(_dom==4)

    // NN6 is buggy( same exdiv.offsetWidth )

    return exdiv.contentDocument.body.offsetWidth;

  if(_dom==2 || _dom==1)

    return _mac?frames(exdiv.id+'_if').document.body.offsetWidth

               :frames(exdiv.id+'_if').document.body.scrollWidth;

  if(_dom==3)

    return exdiv.document.width;

  return 0;

}



function getExlHeight(exdiv){

  if(_dom==4)

    return exdiv.contentDocument.body.offsetHeight;

  if(_dom==2 || _dom==1)

    return _mac?frames(exdiv.id+'_if').document.body.offsetHeight

               :frames(exdiv.id+'_if').document.body.scrollHeight;

  if(_dom==3)

    return exdiv.document.height;

  return 0;

}



function setDivVisibility(div,visible){

  if(_dom==4 || _dom==2 || _dom==1){

    div.style.visibility=(visible)?'inherit':'hidden';

    return;

  }

  if(_dom==3){

    div.visibility      =(visible)?'inherit':'hide';

    return;

  }

}



function setDivVisibilities(divs,visible){

  if(_dom==4 || _dom==2 || _dom==1){

    for(var i=0; i<divs.length; i++)

      divs[i].style.visibility=(visible)?'inherit':'hidden';

  }

  if(_dom==3){

    for(var i=0; i<divs.length; i++)

      divs[i].visibility      =(visible)?'inherit':'hide';

  }

  return divs;

}



function setDivClip(div,top,right,bottom,left){

  if(_dom==4 || _dom==2 || _dom==1){

    div.style.clip='rect('+top+'px '+right+'px '+bottom+'px '+left+'px)';

    return;

  }

  if(_dom==3){

    div.clip.top   =top;   div.clip.right=right;

    div.clip.bottom=bottom;div.clip.left =left;

    return;

  }

}



function writeDivHTML(div,op,cl){

  var s='';

  for(var i=3; i<arguments.length; i++) s+=arguments[i];

  if(_dom==4){

    if(op){ while(div.hasChildNodes()) div.removeChild(div.lastChild); }

    var range=document.createRange();

    range.selectNodeContents(div);

    range.collapse(true);

    var cf=range.createContextualFragment(s);

    div.appendChild(cf);

    return;

  }

  if(_dom==2 || _dom==1){

    if(op)   div.innerHTML='';

    if(_mac&&!_ie512) div.innerHTML+=s;

    else     div.insertAdjacentHTML('BeforeEnd',s);

    return;

  }

  if(_dom==3){

    if(op) div.document.open('text/html','replace');

    div.document.write(s);

    if(cl) div.document.close();

    return;

  }

}



function setDivBackgroundColor(div,color){

  if(color==null) color='transparent';

  if(_dom==3) div.bgColor=color;

  else        div.style.backgroundColor=color;

}



function setDivBackgroundImage(div,url){

  if(_dom==3) div.background.src=url?url:null;

  else        div.style.backgroundImage=url?('url('+url+')'):'none';

}



function setDivZIndex(div,order){

  if(_dom==4 || _dom==2 || _dom==1){

    div.style.zIndex=order;

    return;

  }

  if(_dom==3){

    div.zIndex      =order;

    return;

  }

}



function setDivStyleAttribute(div,nm,value){

  if(_dom!=0 && _dom!=3) eval('div.style.'+nm+'=value');

  return div;

}



function changeExlURL(exdiv,url){

  if(_dom==4){

    exdiv.setAttribute('src',url);

    return;

  }

  if(_dom==2 || _dom==1){

    frames(exdiv.id+'_if').location.replace(url);

    return;

  }

  if(_dom==3){

    exdiv.load(url,exdiv.clip.width);

    return;

  }

  return;

}



function getLeftFromEvent(e){

  if(_dom==4)          return e.clientX+window.scrollX;

  if(_dom==2||_dom==1) return document.body.scrollLeft+window.event.clientX;

  if(_dom==3)          return e.pageX;

  return 0;

}

function getTopFromEvent(e){

  if(_dom==4)          return e.clientY+window.scrollY;

  if(_dom==2||_dom==1) return document.body.scrollTop+window.event.clientY;

  if(_dom==3)          return e.pageY;

  return 0;

}