var c_height=19;
var c_width=61;

function floatButton () {
if (document.all) {
document.all.topButton.style.pixelTop = document.body.scrollTop+document.body.clientHeight-c_height-20;
}
else if (document.layers) {
document.topButton.top = window.pageYOffset+window.innerHeight-c_height-20;
}
else if (document.getElementById) {
document.getElementById('topButton').style.top = window.pageYOffset + window.innerHeight -c_height-20 + '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- c_width+50;
document.all.topButton.style.visibility = 'visible';
}
else if (document.layers) {
document.topButton.left = window.innerWidth - document.topButton.clip.width - c_width - 30;
document.topButton.visibility = 'show';
}
else if (document.getElementById) {
document.getElementById('topButton').style.left = (window.innerWidth - c_width - 30) + 'px';
document.getElementById('topButton').style.visibility = 'visible';
   }
}