/* Init the script */
function adjustTopButton() {

	tr = document.getElementById("navigateTop");
	s = document.body.scrollTop || (document.documentElement && document.documentElement.scrollTop);
	window.title = 'test';
	if(s > 0) {
		tr.style.visibility = 'visible';

	}
	else
		tr.style.visibility = 'hidden';
}

window.onload = function(){
	if (document.getElementById && document.documentElement) {
		setInterval("adjustTopButton()", 100);
	}
};