var isMinNS4=document.layers
var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1
var dom=document.getElementById&&!ie&&navigator.userAgent.indexOf("Opera")==-1
function hideLayer(layer){
if(isMinNS4)
layer.visibility="hide"
if(ie||dom)
layer.style.visibility="hidden"}
function showLayer(layer){
if(isMinNS4)
layer.visibility="show"
if(ie||dom)
layer.style.visibility="visible"}
function inheritLayer(layer){
if(isMinNS4)
layer.visibility="inherit"
if(ie||dom)
layer.style.visibility="inherit"}
function getVisibility(layer){
if(isMinNS4){
if(layer.visibility=="show")
return "visible"
if(layer.visibility=="hide")
return "hidden"
return layer.visibility}
if(ie||dom)
return layer.style.visibility
return ""}
function isVisible(layer){
if(isMinNS4&&layer.visibility=="show")
return(true)
if(ie||dom&&layer.style.visibility=="visible")
return(true)
return(false)}
function moveLayerTo(layer,x,y){
if(isMinNS4)
layer.moveTo(x,y)
if(ie||dom){
layer.style.left=x
layer.style.top=y}}
function moveLayerBy(layer,dx,dy){
if(isMinNS4)
layer.moveBy(dx,dy)
if(ie||dom){
layer.style.left=parseInt(layer.style.left)+dx
layer.style.top=parseInt(layer.style.top)+dy}}
function getLeft(layer){
if(isMinNS4)
return(layer.left)
if(ie||dom)
return(parseInt(layer.style.left))
return(-1)}
function getTop(layer){
if(isMinNS4)
return(layer.top)
if(ie||dom)
return(parseInt(layer.style.top))
return(-1)}
function getRight(layer){
if(isMinNS4)
return(layer.left+getWidth(layer))
if(ie||dom)
return(parseInt(layer.style.left)+getWidth(layer))
return(-1)}
function getBottom(layer){
if(isMinNS4)
return(layer.top+getHeight(layer))
else if(ie||dom)
return(parseInt(layer.style.top)+getHeight(layer))
return(-1)}
function getPageLeft(layer){
if(isMinNS4)
return(layer.pageX)
if(ie||dom)
return(layer.offsetLeft)
return(-1)}
function getPageTop(layer){
if(isMinNS4)
return(layer.pageY)
if(ie||dom)
return(layer.offsetTop)
return(-1)}
function getWidth(layer){
if(isMinNS4){
if(layer.document.width)
return(layer.document.width)
else
return(layer.clip.right-layer.clip.left)}
if(ie||dom){
if(layer.style.width)
return(layer.style.width)
else
return(layer.offsetWidth)}
return(-1)}
function getHeight(layer){
if(isMinNS4){
if(layer.document.height)
return(layer.document.height)
else
return(layer.clip.bottom-layer.clip.top)}
if(ie||dom){
if(false&&layer.style.height)
return(layer.style.height)
else
return(layer.offsetHeight)}
return(-1)}
function getzIndex(layer){
if(isMinNS4)
return(layer.zIndex)
if(ie||dom)
return(layer.style.zIndex)
return(-1)}
function setzIndex(layer,z){
if(isMinNS4)
layer.zIndex=z
if(ie||dom)
layer.style.zIndex=z}
function clipLayer(layer,clipleft,cliptop,clipright,clipbottom){
if(isMinNS4){
layer.clip.left=clipleft
layer.clip.top=cliptop
layer.clip.right=clipright
layer.clip.bottom=clipbottom}
if(ie||dom)
layer.style.clip='rect('+cliptop+' '+clipright+' '+clipbottom+' '+clipleft+')'}
function getClipLeft(layer){
if(isMinNS4)
return(layer.clip.left)
if(ie||dom){
var str=layer.style.clip
if(!str)
return(0)
var clip=getIEClipValues(layer.style.clip)
return(clip[3])}
return(-1)}
function getClipTop(layer){
if(isMinNS4)
return(layer.clip.top)
if(ie||dom){
var str=layer.style.clip
if(!str)
return(0)
var clip=getIEClipValues(layer.style.clip)
return(clip[0])}
return(-1)}
function getClipRight(layer){
if(isMinNS4)
return(layer.clip.right)
if(ie||dom){
var str=layer.style.clip
if(!str)
return(layer.style.width)
var clip=getIEClipValues(layer.style.clip)
return(clip[1])}
return(-1)}
function getClipBottom(layer){
if(isMinNS4)
return(layer.clip.bottom)
if(ie||dom){
var str=layer.style.clip
if(!str)
return(layer.style.height)
var clip=getIEClipValues(layer.style.clip)
return(clip[2])}
return(-1)}
function getClipWidth(layer){
if(isMinNS4)
return(layer.clip.width)
if(ie||dom){
var str=layer.style.clip
if(!str)
return(layer.style.width)
var clip=getIEClipValues(layer.style.clip)
return(clip[1]-clip[3])}
return(-1)}
function getClipHeight(layer){
if(isMinNS4)
return(layer.clip.height)
if(ie||dom){
var str=layer.style.clip
if(!str)
return(layer.style.height)
var clip=getIEClipValues(layer.style.clip)
return(clip[2]-clip[0])}
return(-1)}
function getIEClipValues(str){
var clip=new Array()
var i
i=str.indexOf("(")
clip[0]=parseInt(str.substring(i+1,str.length),10)
i=str.indexOf(" ",i+1)
clip[1]=parseInt(str.substring(i+1,str.length),10)
i=str.indexOf(" ",i+1)
clip[2]=parseInt(str.substring(i+1,str.length),10)
i=str.indexOf(" ",i+1)
clip[3]=parseInt(str.substring(i+1,str.length),10)
return(clip)}
function scrollLayerTo(layer,x,y,bound){
var dx=getClipLeft(layer)-x
var dy=getClipTop(layer)-y
scrollLayerBy(layer,-dx,-dy,bound)}
function scrollLayerBy(layer,dx,dy,bound){
var cl=getClipLeft(layer)
var ct=getClipTop(layer)
var cr=getClipRight(layer)
var cb=getClipBottom(layer)
if(bound){
if(cl+dx<0)
dx=-cl
else if(cr+dx>getWidth(layer))
dx=getWidth(layer)-cr
if(ct+dy<0)
dy=-ct
else if(cb+dy>getHeight(layer))
dy=getHeight(layer)-cb}
clipLayer(layer,cl+dx,ct+dy,cr+dx,cb+dy)
moveLayerBy(layer,-dx,-dy)}
function setBgColor(layer,color){
if(isMinNS4)
layer.bgColor=color
if(ie||dom)
layer.style.backgroundColor=color}
function setBgImage(layer,src){
if(isMinNS4)
layer.background.src=src
if(ie||dom)
layer.style.backgroundImage="url("+src+")"}
function getLayer(name){
if(isMinNS4)
return findLayer(name,document)
if(ie)
return eval('document.all.'+name)
if(dom)
return document.getElementById(name)
return null}
function findLayer(name,doc){
var i,layer
for(i=0;i<doc.layers.length;i++){
layer=doc.layers[i]
if(layer.name==name)
return layer
if(layer.document.layers.length>0){
layer=findLayer(name,layer.document)
if(layer !=null)
return layer}}
return null}
function getWindowWidth(){
if(isMinNS4||dom)
return(window.innerWidth)
if(ie)
return(document.body.clientWidth)
return(-1)}
function getWindowHeight(){
if(isMinNS4||dom)
return(window.innerHeight)
if(ie)
return(document.body.clientHeight)
return(-1)}
function getPageWidth(){
if(isMinNS4||dom)
return(document.width)
if(ie)
return(document.body.scrollWidth)
return(-1)}
function getPageHeight(){
if(isMinNS4||dom)
return(document.height)
if(ie)
return(document.body.scrollHeight)
return(-1)}
function getPageScrollX(){
if(isMinNS4||dom)
return(window.pageXOffset)
if(ie)
return(document.body.scrollLeft)
return(-1)}
function getPageScrollY(){
if(isMinNS4||dom)
return(window.pageYOffset)
if(ie)
return(document.body.scrollTop)
return(-1)}