function floatButton(){
if(document.all)document.all.topButton.style.pixelTop=document.body.scrollTop;
else if(document.layers)document.topButton.top=window.pageYOffset;
else if(document.getElementById)document.getElementById('topButton').style.top=window.pageYOffset+'px';
}

if(document.all)window.onscroll=floatButton;
else setInterval('floatButton()',100);

function initButton(){
if(document.all){
document.all.topButton.style.pixelLeft=document.body.clientWidth-document.all.topButton.offsetWidth;
document.all.topButton.style.visibility='visible';
	}
else if(document.layers){
document.topButton.left=window.innerWidth-document.topButton.clip.width-15;
document.topButton.visibility='show';
	}
else if(document.getElementById){
document.getElementById('topButton').style.left=(window.innerWidth-35)+'px';
document.getElementById('topButton').style.visibility='visible';
	}
}