var isMinNS4=(navigator.appName.indexOf("Netscape")>= 0 &&
parseFloat(navigator.appVersion)>= 4)?1:0;
var isMinIE4=(document.all)?1:0;
var isMinIE5=(isMinIE4 && navigator.appVersion.indexOf("5.")>= 0)?1:0;
function hideLayer(layer){
if(isMinNS4)
layer.visibility="hide";
if(isMinIE4)
layer.style.visibility="hidden";
}
function showLayer(layer){
if(isMinNS4)
layer.visibility="show";
if(isMinIE4)
layer.style.visibility="visible";
}
function inheritLayer(layer){
if(isMinNS4)
layer.visibility="inherit";
if(isMinIE4)
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(isMinIE4)
return layer.style.visibility;
return "";
}
function moveLayerTo(layer, x, y){
if(isMinNS4)
layer.moveTo(x, y);
if(isMinIE4){
layer.style.left=x;
layer.style.top =y;
}
}
function moveLayerBy(layer, dx, dy){
if(isMinNS4)
layer.moveBy(dx, dy);
if(isMinIE4){
layer.style.pixelLeft+=dx;
layer.style.pixelTop +=dy;
}
}
function getLeft(layer){
if(isMinNS4)
return layer.left;
if(isMinIE4)
return layer.style.pixelLeft;
return -1;
}
function getTop(layer){
if(isMinNS4)
return layer.top;
if(isMinIE4)
return layer.style.pixelTop;
return -1;
}
function getRight(layer){
if(isMinNS4)
return layer.left+getWidth(layer);
if(isMinIE4)
return layer.style.pixelLeft+getWidth(layer);
return -1;
}
function getBottom(layer){
if(isMinNS4)
return layer.top+getHeight(layer);
if(isMinIE4)
return layer.style.pixelTop+getHeight(layer);
return -1;
}
function getPageLeft(layer){
var x;
if(isMinNS4)
return layer.pageX;
if(isMinIE4){
x=0;
while (layer.offsetParent!=null){
x+=layer.offsetLeft;
layer=layer.offsetParent;
}
x+=layer.offsetLeft;
return x;
}
return -1;
}
function getPageTop(layer){
var y;
if(isMinNS4)
return layer.pageY;
if(isMinIE4){
y=0;
while (layer.offsetParent!=null){
y+=layer.offsetTop;
layer=layer.offsetParent;
}
y+=layer.offsetTop;
return y;
}
return -1;
}
function getWidth(layer){
if(isMinNS4){
if(layer.document.width)
return layer.document.width;
else
return layer.clip.right - layer.clip.left;
}
if(isMinIE4){
if(layer.style.pixelWidth)
return layer.style.pixelWidth;
else
return layer.clientWidth;
}
return -1;
}
function getHeight(layer){
if(isMinNS4){
if(layer.document.height)
return layer.document.height;
else
return layer.clip.bottom - layer.clip.top;
}
if(isMinIE4){
if(layer.style.pixelHeight)
return layer.style.pixelHeight;
else
return layer.clientHeight;
}
return -1;
}
function getzIndex(layer){

if(isMinNS4)
return layer.zIndex;
if(isMinIE4)
return layer.style.zIndex;
return -1;
}
function setzIndex(layer, z){
if(isMinNS4)
layer.zIndex=z;
if(isMinIE4)
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(isMinIE4)
layer.style.clip='rect('+cliptop+' '+ clipright+' '+clipbottom+' '+clipleft +')';
}
function getClipLeft(layer){
if(isMinNS4)
return layer.clip.left;
if(isMinIE4){
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(isMinIE4){
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(isMinIE4){
var str= layer.style.clip;
if(!str)
return layer.style.pixelWidth;
var clip=getIEClipValues(layer.style.clip);
return clip[1];
}
return -1;
}
function getClipBottom(layer){
if(isMinNS4)
return layer.clip.bottom;
if(isMinIE4){
var str= layer.style.clip;
if(!str)
return layer.style.pixelHeight;
var clip=getIEClipValues(layer.style.clip);
return clip[2];
}
return -1;
}
function getClipWidth(layer){
if(isMinNS4)
return layer.clip.width;
if(isMinIE4){
var str=layer.style.clip;
if(!str)
return layer.style.pixelWidth;
var clip=getIEClipValues(layer.style.clip);
return clip[1] - clip[3];
}
return -1;
}
function getClipHeight(layer){
if(isMinNS4)
return layer.clip.height;
if(isMinIE4){
var str= layer.style.clip;
if(!str)
return layer.style.pixelHeight;
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(isMinIE4)
layer.style.backgroundColor=color;
}
function setBgImage(layer, src){
if(isMinNS4)
layer.background.src=src;
if(isMinIE4)
layer.style.backgroundImage="url("+src+")";
}
function getLayer(name){
if(isMinNS4)
return findLayer(name, document);
if(isMinIE4)
return eval('document.all.'+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)
if((layer=findLayer(name, layer.document))!=null)
return layer;
}
return null;
}
function getImage(name){
if(isMinNS4){
return findImage(name, document);
}
if(isMinIE4)
return eval('document.all.'+name);
return null;
}
function findImage(name, doc){
var i, img;
for (i=0; i < doc.images.length; i++)
if(doc.images[i].name==name)
return doc.images[i];
for (i=0; i < doc.layers.length; i++)
if((img=findImage(name, doc.layers[i].document))!=null){
img.container=doc.layers[i];
return img;
}
return null;
}
function getImagePageLeft(img){
var x, obj;
if(isMinNS4){
if(img.container!=null)
return img.container.pageX+img.x;
else
return img.x;
}
if(isMinIE4){
x=0;
obj=img;
while (obj.offsetParent!=null){
x+=obj.offsetLeft;
obj=obj.offsetParent;
}
x+=obj.offsetLeft;
return x;
}
return -1;
}
function getImagePageTop(img){
var y, obj;
if(isMinNS4){
if(img.container!=null)
return img.container.pageY+img.y;
else
return img.y;
}
if(isMinIE4){
y=0;
obj=img;
while (obj.offsetParent!=null){
y+=obj.offsetTop;
obj=obj.offsetParent;
}
y+=obj.offsetTop;
return y;
}
return -1;
}
function getWindowWidth(){
if(isMinNS4)
return window.innerWidth;
if(isMinIE4)
return document.body.clientWidth;
return -1;
}
function getWindowHeight(){
if(isMinNS4)
return window.innerHeight;
if(isMinIE4)
return document.body.clientHeight;
return -1;
}
function getPageWidth(){
if(isMinNS4)
return document.width;
if(isMinIE4)
return document.body.scrollWidth;
return -1;
}
function getPageHeight(){
if(isMinNS4)
return document.height;
if(isMinIE4)
return document.body.scrollHeight;
return -1;
}
function getPageScrollX(){
if(isMinNS4)
return window.pageXOffset;
if(isMinIE4)
return document.body.scrollLeft;
return -1;
}
function getPageScrollY(){
if(isMinNS4)
return window.pageYOffset;
if(isMinIE4)
return document.body.scrollTop;
return -1;