SliderHeight = 1;
function floatButton () {
	if (window.pageYOffset){
		ypos=window.pageYOffset
	} else if (document.documentElement && document.documentElement.scrollTop){
		ypos=document.documentElement.scrollTop
	} else if (document.body){
		ypos=document.body.scrollTop
	}
	
	if (document.all){
		document.all.topButton.style.pixelTop = ypos+SliderHeight;
	} else if(document.layers){
		document.topButton.top = ypos+SliderHeight;
	} else if (document.getElementById){
		document.getElementById('topButton').style.top = ypos+SliderHeight + 'px';
	}
}

// init slider
if (document.all) {
	document.all.topButton.style.position = 'relative';
	document.all.topButton.style.top = SliderHeight;
	document.all.topButton.style.pixelLeft = 0;
	document.all.topButton.style.visibility = 'visible';
}else if (document.layers) {
	document.topButton.left = 0;
	document.topButton.visibility = 'show';
} else if (document.getElementById){
	document.getElementById('topButton').style.position = 'relative';
	document.getElementById('topButton').style.top = (SliderHeight) + 'px';
	document.getElementById('topButton').style.left = (0) + 'px';
	document.getElementById('topButton').style.visibility = 'visible';
}

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