var w3c=(document.getElementById)?true:false;
var ns4=(document.layers)?true:false;
var ie4=(document.all && !w3c)?true:false;
var ie5=(document.all && w3c)?true:false;
var x,y,sx,sy,logo,logoW,logoH;

function getwindowsize(){
if(ie4||ie5){
	d= screen.width;
x=document.body.clientWidth-logoW-240;
y=document.body.clientHeight-logoH-10;
}else{
x=window.innerWidth-logoW-255;
y=window.innerHeight-logoH-10;
}
setInterval('movelogo()',1);
}

function movelogo(){
if(ie4||ie5){
sx=document.body.scrollLeft;
sy=document.body.scrollTop;
}else{
sx=pageXOffset;
sy=pageYOffset;
}
if(ns4)logo.moveTo((x+sx),(y+sy));
else{
logo.style.left=x+sx+'px';
logo.style.top=y+sy+'px';
}}

window.onload=function(){
logo=(ns4)?document.layers['logo']:(ie4)?document.all['logo']:document.getElementById('logo');
if(ns4){
logoW=logo.document.images['logopic'].width;
logoH=logo.document.images['logopic'].height;
}else{
logoW=document.images['logopic'].width;
logoH=document.images['logopic'].height;
}
getwindowsize();
}

window.onresize=function(){
if(ns4)setTimeout('history.go(0)', 1);
else getwindowsize();
}